{
    "tender_id": 3737273,
    "check": {
        "ok": true,
        "versions": 13,
        "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": "2026-10-28T08:05:18Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\"}",
            "content_hash": "6b48bfae2659949ab6dcbf8107b62bca96610794a205604a0aae8fb7ec58d832",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "c30b696d4b77a59dfa1646e2fcc260bd770e55c32f6442711263210be45d7458",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T10:15:03Z",
            "content": "{\"cpv\": \"03121100\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\"}",
            "content_hash": "31f2f69aec8d923d99c2ae5566d07629c43004fc4ebe155fe8b5dbf4cef25ec5",
            "prev_hash": "c30b696d4b77a59dfa1646e2fcc260bd770e55c32f6442711263210be45d7458",
            "hash": "df16a33f7dab33b090dd6350d92fb659e1f2d4943f77cb35e037f46844e23885",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-28T11:14:31Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\"}",
            "content_hash": "6b48bfae2659949ab6dcbf8107b62bca96610794a205604a0aae8fb7ec58d832",
            "prev_hash": "df16a33f7dab33b090dd6350d92fb659e1f2d4943f77cb35e037f46844e23885",
            "hash": "f29efdbb183bc59a50aa6f7fed848b8274816979f2ff2c2a9fad90a226bc2be8",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-28T11:45:31Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\"}",
            "content_hash": "48a21e785d11a38abf6c803011d8208c9ec3eb507e4a78593c2c60c407598b2a",
            "prev_hash": "f29efdbb183bc59a50aa6f7fed848b8274816979f2ff2c2a9fad90a226bc2be8",
            "hash": "a2684004b8b051902bf9fe6997719deb5a8566aca01962a4224677d870d3a696",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-28T12:45:31Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857680/zakup-sadzonek-drzew-do-nasadzen\"}",
            "content_hash": "3f1f94b73b4648dddb057478b31e06258bd75a759e7c31314bc0e6bdc7e1e979",
            "prev_hash": "a2684004b8b051902bf9fe6997719deb5a8566aca01962a4224677d870d3a696",
            "hash": "0cb068672906132944e6f2a302b1298d065db21788fc8601fd2d8e1d5b7b92de",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-28T22:45:51Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://zdw-olsztyn.logintrade.net/zapytania_email,243729,0982a4ce5398ffdfae37ae83e7c824b4.html\"}",
            "content_hash": "201067487bde1b4f4e009f3006fcf394c33e5134ed52ffe3071b394985aa84d0",
            "prev_hash": "0cb068672906132944e6f2a302b1298d065db21788fc8601fd2d8e1d5b7b92de",
            "hash": "067e24c4a688f9bb69eba40b91109d51e639a4d4b9ceb7fa27073a124d70000f",
            "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": 7,
            "recorded_at": "2026-10-29T01:31:55Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://zdw-olsztyn.logintrade.net/zapytania_email,243729,0982a4ce5398ffdfae37ae83e7c824b4.html\"}",
            "content_hash": "3112cc3f6613405dedc4d98e13ba97a2edbd94024458a7afe96b6afce7c842b9",
            "prev_hash": "067e24c4a688f9bb69eba40b91109d51e639a4d4b9ceb7fa27073a124d70000f",
            "hash": "6fd4b5875b25022d8db1ac688b75574a3100a5fabc15e14386973d99c2380bd5",
            "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": 8,
            "recorded_at": "2026-10-29T02:27:38Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://zdw-olsztyn.logintrade.net/zapytania_email,243729,0982a4ce5398ffdfae37ae83e7c824b4.html\"}",
            "content_hash": "201067487bde1b4f4e009f3006fcf394c33e5134ed52ffe3071b394985aa84d0",
            "prev_hash": "6fd4b5875b25022d8db1ac688b75574a3100a5fabc15e14386973d99c2380bd5",
            "hash": "ee2e5fd5f179118462cee37e51179d27820210a90f85e675defe214526137b49",
            "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": 9,
            "recorded_at": "2026-10-29T05:45:35Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857680/zakup-sadzonek-drzew-do-nasadzen\"}",
            "content_hash": "3f1f94b73b4648dddb057478b31e06258bd75a759e7c31314bc0e6bdc7e1e979",
            "prev_hash": "ee2e5fd5f179118462cee37e51179d27820210a90f85e675defe214526137b49",
            "hash": "c662813ce3d180f7bdc142eb8f713413d02652f25573c264f7d4c86f6ae33447",
            "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": 10,
            "recorded_at": "2026-10-29T08:26:32Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857680/zakup-sadzonek-drzew-do-nasadzen\"}",
            "content_hash": "99fcdda12ab28406422c7cff5f7d491095f04ca78dcdd4e4db3fc989c420d56e",
            "prev_hash": "c662813ce3d180f7bdc142eb8f713413d02652f25573c264f7d4c86f6ae33447",
            "hash": "08fd89c1ae6b4d1b8dcd9519d62910da41de1be29dc6686227a54c00d1e42b5f",
            "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": 11,
            "recorded_at": "2026-10-29T09:30:13Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857680/zakup-sadzonek-drzew-do-nasadzen\"}",
            "content_hash": "3f1f94b73b4648dddb057478b31e06258bd75a759e7c31314bc0e6bdc7e1e979",
            "prev_hash": "08fd89c1ae6b4d1b8dcd9519d62910da41de1be29dc6686227a54c00d1e42b5f",
            "hash": "110726682eef0fc1397d0f3b258dd0a61edc7ff8ac9be0ec11695865b3b10bf5",
            "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": 12,
            "recorded_at": "2026-10-30T01:43:30Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857680/zakup-sadzonek-drzew-do-nasadzen\"}",
            "content_hash": "99fcdda12ab28406422c7cff5f7d491095f04ca78dcdd4e4db3fc989c420d56e",
            "prev_hash": "110726682eef0fc1397d0f3b258dd0a61edc7ff8ac9be0ec11695865b3b10bf5",
            "hash": "a57d8025e3e40dd62443c4d975a9bad6a2e0244e78aa903400974758511fe88a",
            "actor": null,
            "seal": null
        },
        {
            "version": 13,
            "recorded_at": "2026-10-30T02:43:51Z",
            "content": "{\"cpv\": \"03452000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34c2-2593-7bb8-75d7-fc0001cf4570\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Olsztynie\", \"title\": \"Zakup sadzonek drzew do nasadzeń\", \"region\": \"warminsko-mazurskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Olsztyn, warmińsko-mazurskie\", \"buyer_nip\": \"7392974001\", \"source_id\": \"2026/BZP 00506086/01\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T07:07:36Z\", \"notice_number\": \"2026/BZP 00506086/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857680/zakup-sadzonek-drzew-do-nasadzen\"}",
            "content_hash": "3f1f94b73b4648dddb057478b31e06258bd75a759e7c31314bc0e6bdc7e1e979",
            "prev_hash": "a57d8025e3e40dd62443c4d975a9bad6a2e0244e78aa903400974758511fe88a",
            "hash": "17063400af38e0dddeadeae51f63113282ae1f476b73bbbc874f60c8783d5d06",
            "actor": null,
            "seal": null
        }
    ]
}