{
    "tender_id": 3916967,
    "check": {
        "ok": true,
        "versions": 9,
        "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": "2026-10-29T08:25:57Z",
            "content": "{\"cpv\": \"39100000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"39113000\", \"39113100\", \"39143310\", \"39111100\", \"39141300\", \"39112000\", \"39121100\", \"39121200\", \"39113200\"], \"location\": \"Siedlce, mazowieckie\", \"buyer_nip\": \"8210014490\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\"}",
            "content_hash": "b61acf930eb8ae1443689d9bfd6c5f0364adc673fd9c84538001e4abd558476e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "131651102b5d98b4a675dc3f48b7e70877782eeaaee8b25944a41e86cd40bb60",
            "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": "2026-10-29T08:45:25Z",
            "content": "{\"cpv\": \"39100000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"39113000\", \"39113100\", \"39143310\", \"39111100\", \"39141300\", \"39112000\", \"39121100\", \"39121200\", \"39113200\"], \"location\": \"Siedlce, mazowieckie\", \"buyer_nip\": \"8210014490\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "c37b24e18b1c1ed58f1aeeffbb80836d587803bc69bde40981f7b105a949f347",
            "prev_hash": "131651102b5d98b4a675dc3f48b7e70877782eeaaee8b25944a41e86cd40bb60",
            "hash": "31a31ca19ff4826a0e7ea710bd15f08fbd2f0b174bc63520d0b5159bd537f01e",
            "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": "2026-10-29T13:18:23Z",
            "content": "{\"cpv\": \"39130000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Siedlce, mazowieckie\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "8fa006f45cafaf2b094f669f37bbaaf8d2f3ebd2060387faca5d0d9fcb98d2ed",
            "prev_hash": "31a31ca19ff4826a0e7ea710bd15f08fbd2f0b174bc63520d0b5159bd537f01e",
            "hash": "b58c1bed331d24151d5fb02e8e2c5314d9021a20f8054bf8afff926a2db01db5",
            "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": "2026-10-29T15:23:34Z",
            "content": "{\"cpv\": \"39100000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"39113000\", \"39113100\", \"39143310\", \"39111100\", \"39141300\", \"39112000\", \"39121100\", \"39121200\", \"39113200\"], \"location\": \"Siedlce, mazowieckie\", \"buyer_nip\": \"8210014490\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "c37b24e18b1c1ed58f1aeeffbb80836d587803bc69bde40981f7b105a949f347",
            "prev_hash": "b58c1bed331d24151d5fb02e8e2c5314d9021a20f8054bf8afff926a2db01db5",
            "hash": "e1cd9d1bac15561956178201abed0174b8e1e8465fa8a81ec39e96351f4da6aa",
            "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": "2026-10-29T22:38:19Z",
            "content": "{\"cpv\": \"39100000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"39113000\", \"39113100\", \"39143310\", \"39111100\", \"39141300\", \"39112000\", \"39121100\", \"39121200\", \"39113200\"], \"location\": \"Siedlce, mazowieckie\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "ac7675fae04cb0d1726cace0a39282d41e6572a2c493e370bab62816c4037e8f",
            "prev_hash": "e1cd9d1bac15561956178201abed0174b8e1e8465fa8a81ec39e96351f4da6aa",
            "hash": "7ef3699cbd8fcdc7ec86f98f54f58979debcbca48e2a36a2459815222b440abf",
            "actor": null,
            "seal": null
        },
        {
            "version": 6,
            "recorded_at": "2026-10-29T23:40:32Z",
            "content": "{\"cpv\": \"39100000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"39113000\", \"39113100\", \"39143310\", \"39111100\", \"39141300\", \"39112000\", \"39121100\", \"39121200\", \"39113200\"], \"location\": \"Siedlce, mazowieckie\", \"buyer_nip\": \"8210014490\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "c37b24e18b1c1ed58f1aeeffbb80836d587803bc69bde40981f7b105a949f347",
            "prev_hash": "7ef3699cbd8fcdc7ec86f98f54f58979debcbca48e2a36a2459815222b440abf",
            "hash": "cad60ce502203ea6a513e8620362b9653deee6bd2cbacd4128b2c5d54db1a403",
            "actor": null,
            "seal": null
        },
        {
            "version": 7,
            "recorded_at": "2026-10-30T05:44:20Z",
            "content": "{\"cpv\": \"39100000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"39113000\", \"39113100\", \"39143310\", \"39111100\", \"39141300\", \"39112000\", \"39121100\", \"39121200\", \"39113200\"], \"location\": \"Siedlce, mazowieckie\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "ac7675fae04cb0d1726cace0a39282d41e6572a2c493e370bab62816c4037e8f",
            "prev_hash": "cad60ce502203ea6a513e8620362b9653deee6bd2cbacd4128b2c5d54db1a403",
            "hash": "8d1103b4b454efb5404bd72bdb5144e0e4b14314262aaf4de94ee80b44064ac2",
            "actor": null,
            "seal": null
        },
        {
            "version": 8,
            "recorded_at": "2026-10-30T06:45:04Z",
            "content": "{\"cpv\": \"39100000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"39113000\", \"39113100\", \"39143310\", \"39111100\", \"39141300\", \"39112000\", \"39121100\", \"39121200\", \"39113200\"], \"location\": \"Siedlce, mazowieckie\", \"buyer_nip\": \"8210014490\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "c37b24e18b1c1ed58f1aeeffbb80836d587803bc69bde40981f7b105a949f347",
            "prev_hash": "8d1103b4b454efb5404bd72bdb5144e0e4b14314262aaf4de94ee80b44064ac2",
            "hash": "e7d30a1bad0811b3253dd58585335b4bd041ccac5169093848ad4eb281b2f7c0",
            "actor": null,
            "seal": null
        },
        {
            "version": 9,
            "recorded_at": "2026-10-30T17:27:52Z",
            "content": "{\"cpv\": \"39100000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df358e-2939-4d74-cfcf-e60001c05e1b\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"39113000\", \"39113100\", \"39143310\", \"39111100\", \"39141300\", \"39112000\", \"39121100\", \"39121200\", \"39113200\"], \"location\": \"Siedlce, mazowieckie\", \"source_id\": \"2026/BZP 00507616/01\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:28:00Z\", \"notice_number\": \"2026/BZP 00507616/01\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "ac7675fae04cb0d1726cace0a39282d41e6572a2c493e370bab62816c4037e8f",
            "prev_hash": "e7d30a1bad0811b3253dd58585335b4bd041ccac5169093848ad4eb281b2f7c0",
            "hash": "21c7d958012b98c44443b44e45e882fc294eb79dd0fa4e625b8f664853c1fbbd",
            "actor": null,
            "seal": null
        }
    ]
}