{
    "tender_id": 3939431,
    "check": {
        "ok": true,
        "versions": 24,
        "broken_at": null
    },
    "formula": "content_hash = sha256(content); hash = sha256(prev_hash + \"\\n\" + tender_id + \"\\n\" + version + \"\\n\" + recorded_at + \"\\n\" + content_hash [+ \"\\n\" + actor, when the version has one])",
    "versions": [
        {
            "version": 1,
            "recorded_at": "2026-10-29T13:18:19Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\"}",
            "content_hash": "574731815581f5bafdce80dc3b825b6a43b0e9861c228723abf9c1a24294ea31",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "cb0e24a6c3a670ea02839f200ae8daf20030d37dd46afd93e021aa15a5f9cd90",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T14:21:04Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\"}",
            "content_hash": "a0e473bbd7911a727871ff40e5d9018c92aa257934ee8e2db746d953abebe12e",
            "prev_hash": "cb0e24a6c3a670ea02839f200ae8daf20030d37dd46afd93e021aa15a5f9cd90",
            "hash": "ad55d9fd170bef84ffc3660a642284f8102b2ba99b7a2d9845e560ce22f03d30",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T15:45:25Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "ad55d9fd170bef84ffc3660a642284f8102b2ba99b7a2d9845e560ce22f03d30",
            "hash": "e47082ef3e4f323bfc5d8f6fc778b7cd7daa2c328183aaa2eb1e57fe732a6673",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-29T19:30:16Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "e47082ef3e4f323bfc5d8f6fc778b7cd7daa2c328183aaa2eb1e57fe732a6673",
            "hash": "93e1a7145baa5157b6b9839a1c5d513e9375c264f4492d31b3c7371ac67d7214",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-29T20:32:07Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "93e1a7145baa5157b6b9839a1c5d513e9375c264f4492d31b3c7371ac67d7214",
            "hash": "5734e030af97d8e3d5a9ba5000fa97668840648fee767c923cc31fc1e4e99b5b",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-30T03:42:19Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "5734e030af97d8e3d5a9ba5000fa97668840648fee767c923cc31fc1e4e99b5b",
            "hash": "1a541ae08fb3c9fce4bb65642003c8d3687a255eacf443cce38cff0b0928fd6a",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-10-30T04:42:42Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "1a541ae08fb3c9fce4bb65642003c8d3687a255eacf443cce38cff0b0928fd6a",
            "hash": "55f04c0f34f51dfd1a1e2cce075f4fb454fd03607b44c6bcacac9bd6c5e6c5d0",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 8,
            "recorded_at": "2026-10-30T14:09:04Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "55f04c0f34f51dfd1a1e2cce075f4fb454fd03607b44c6bcacac9bd6c5e6c5d0",
            "hash": "7addeb9408e6769e0da1c4c847538d248a26d7fd03e15fac48979458203b5305",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 9,
            "recorded_at": "2026-10-30T15:15:05Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "7addeb9408e6769e0da1c4c847538d248a26d7fd03e15fac48979458203b5305",
            "hash": "093872298864b2d075b90197d117ed861c3c19cfa544dce23b203105b1927ca0",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 10,
            "recorded_at": "2026-10-30T18:35:55Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "093872298864b2d075b90197d117ed861c3c19cfa544dce23b203105b1927ca0",
            "hash": "527b5c3b262020323c825bfb82fcc87c8d752ccd0f434c777aa7a7f650e4fac8",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 11,
            "recorded_at": "2026-10-30T19:42:07Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "527b5c3b262020323c825bfb82fcc87c8d752ccd0f434c777aa7a7f650e4fac8",
            "hash": "dd7ae7952d68bf4191eefa3b5191e653262872c278b5cc53dcf4423aa96c852e",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 12,
            "recorded_at": "2026-10-31T00:08:18Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "dd7ae7952d68bf4191eefa3b5191e653262872c278b5cc53dcf4423aa96c852e",
            "hash": "7ba6f1107156c63d8d1f70d12ca4c017f82a3f4ba9a46aa256cd0c0ba35dd535",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 13,
            "recorded_at": "2026-10-31T01:13:17Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "7ba6f1107156c63d8d1f70d12ca4c017f82a3f4ba9a46aa256cd0c0ba35dd535",
            "hash": "0e8f146775c8a04baa976a3638c1c1eaeb3bd7c5e3c5211d6deadfa6f0810b9c",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 14,
            "recorded_at": "2026-10-31T04:24:20Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "0e8f146775c8a04baa976a3638c1c1eaeb3bd7c5e3c5211d6deadfa6f0810b9c",
            "hash": "94bd7135f5c4512668e9c035ec23d250d84a8312a3bfa8f1afe4ecad12058f21",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 15,
            "recorded_at": "2026-10-31T05:28:02Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "94bd7135f5c4512668e9c035ec23d250d84a8312a3bfa8f1afe4ecad12058f21",
            "hash": "855a48cde24fab9114d292be14970d0aefecbd48001083e0093ddf1ce2ab896b",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 16,
            "recorded_at": "2026-10-31T09:19:36Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "855a48cde24fab9114d292be14970d0aefecbd48001083e0093ddf1ce2ab896b",
            "hash": "62409931dc7f204c94a30ece783b1ec02701b188c470fd87c6beff4635ed5564",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 17,
            "recorded_at": "2026-10-31T10:23:17Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "62409931dc7f204c94a30ece783b1ec02701b188c470fd87c6beff4635ed5564",
            "hash": "6d5109dbacefc7d3d44803b8110a15b854af42cbc5e3fa70c8db83bab790580d",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 18,
            "recorded_at": "2026-10-31T21:02:02Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "6d5109dbacefc7d3d44803b8110a15b854af42cbc5e3fa70c8db83bab790580d",
            "hash": "f5a852f1537c704ccb72180f15904ea3aee575f97fadbdf5b428a23916a16a16",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 19,
            "recorded_at": "2026-10-31T22:05:45Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "f5a852f1537c704ccb72180f15904ea3aee575f97fadbdf5b428a23916a16a16",
            "hash": "d946c326b330d06b3351b0f6288128bee25b2ead4a6ff6e8d023fd80c2ca29d9",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 20,
            "recorded_at": "2026-11-01T02:18:04Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "d946c326b330d06b3351b0f6288128bee25b2ead4a6ff6e8d023fd80c2ca29d9",
            "hash": "6d17224f4176db6f1a91fa18ba5cda247a7ac08a7d81e0cef5483b4e947a82f1",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 21,
            "recorded_at": "2026-11-01T03:19:55Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "6d17224f4176db6f1a91fa18ba5cda247a7ac08a7d81e0cef5483b4e947a82f1",
            "hash": "fd238e70a9c87c56ddae4d6edf886a4a381a896bf87bd1d768c7a5df34c781a3",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 22,
            "recorded_at": "2026-11-01T19:20:31Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "fd238e70a9c87c56ddae4d6edf886a4a381a896bf87bd1d768c7a5df34c781a3",
            "hash": "2f7ced26bc93ae08abbf73664715ba8286a1058245969beace5151b10b79f788",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 23,
            "recorded_at": "2026-11-01T21:24:27Z",
            "content": "{\"cpv\": \"71354000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"90742200\"], \"location\": \"Sosnowiec, śląskie\", \"buyer_nip\": \"6440015167\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "e28e6cf5dbc983b1b76189cbdcbb84f56468f387da0dac4ed70942b57f30142b",
            "prev_hash": "2f7ced26bc93ae08abbf73664715ba8286a1058245969beace5151b10b79f788",
            "hash": "930274909e3a49342bc90043f9f8a4635fb2dc49e6b74a9732c44a55f66dd031",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 24,
            "recorded_at": "2026-11-02T00:26:26Z",
            "content": "{\"cpv\": \"90742200\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b9-9b2e-8cbf-cfcf-e60001c06572\", \"buyer\": \"Gmina Sosnowiec- miasto posiadające prawa powiatu\", \"title\": \"Sporządzenie Strategicznej mapy hałasu dla miasta Sosnowca\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sosnowiec, śląskie\", \"source_id\": \"2026/BZP 00509399/01\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:39:00Z\", \"notice_number\": \"2026/BZP 00509399/01\", \"procedure_url\": \"https://umsosnowiec.logintrade.net/zapytania_email,241999,f55b5f05634c66bfb852380300bd76ac.html\"}",
            "content_hash": "93b9586c085ff420af9bc63356c35260d8c8bb35bb824366ff480fac95f61a26",
            "prev_hash": "930274909e3a49342bc90043f9f8a4635fb2dc49e6b74a9732c44a55f66dd031",
            "hash": "543d9e798fef4637675a668be6a0ca545ce0db08b05b764ddc43f37dee62d647",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}