{
    "tender_id": 4134810,
    "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": "2026-10-30T13:00:48Z",
            "content": "{\"cpv\": \"85000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"85312100\", \"80000000\", \"92312000\", \"98336000\", \"55520000\", \"85311100\"], \"location\": \"Sulejów, łódzkie\", \"buyer_nip\": \"7711768348\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\"}",
            "content_hash": "02dea7cdefce070006d704f9d31c36b0a0ffe9b78108ea8e3ed14e157e361607",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "464677ada88f46d67ce7b539886277a2721a8c042f15adc62195d61bf36fb135",
            "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": 2,
            "recorded_at": "2026-10-30T13:45:38Z",
            "content": "{\"cpv\": \"85000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"85312100\", \"80000000\", \"92312000\", \"98336000\", \"55520000\", \"85311100\"], \"location\": \"Sulejów, łódzkie\", \"buyer_nip\": \"7711768348\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\"}",
            "content_hash": "f1ab0cac35502fe36d9d6cd5189c83f85d184dfc0e599a0e14d3a09acf1f7d4c",
            "prev_hash": "464677ada88f46d67ce7b539886277a2721a8c042f15adc62195d61bf36fb135",
            "hash": "2eab3d664a87de56a8579e766e49dde4fd0ded26a3150a740230bf2d38d81261",
            "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": 3,
            "recorded_at": "2026-10-30T16:19:49Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sulejów, łódzkie\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\"}",
            "content_hash": "727770fd81ac5f154de9a000ee1da56a06e2cf55c473c393480ca4d021c9bdde",
            "prev_hash": "2eab3d664a87de56a8579e766e49dde4fd0ded26a3150a740230bf2d38d81261",
            "hash": "f4aaf81a78fa4e967c8b480d16150bb1e7d45c79b3a05f55531918df15c7c62f",
            "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": 4,
            "recorded_at": "2026-10-30T17:25:47Z",
            "content": "{\"cpv\": \"85000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"85312100\", \"80000000\", \"92312000\", \"98336000\", \"55520000\", \"85311100\"], \"location\": \"Sulejów, łódzkie\", \"buyer_nip\": \"7711768348\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\"}",
            "content_hash": "f1ab0cac35502fe36d9d6cd5189c83f85d184dfc0e599a0e14d3a09acf1f7d4c",
            "prev_hash": "f4aaf81a78fa4e967c8b480d16150bb1e7d45c79b3a05f55531918df15c7c62f",
            "hash": "127f3439fcb7c622d6339208eccedbd163b732466037507f64efe3f131286825",
            "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": 5,
            "recorded_at": "2026-10-30T21:45:31Z",
            "content": "{\"cpv\": \"85000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"85312100\", \"80000000\", \"92312000\", \"98336000\", \"55520000\", \"85311100\"], \"location\": \"Sulejów, łódzkie\", \"buyer_nip\": \"7711768348\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399170\"}",
            "content_hash": "624d2401863767bbdcf2899c54fa6d8b30468121673d9bfae6f0c78097b10f7d",
            "prev_hash": "127f3439fcb7c622d6339208eccedbd163b732466037507f64efe3f131286825",
            "hash": "d3e5a6f010714254f66feee3a1092e2de95a1cd23acd80909474f92649e8354e",
            "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": 6,
            "recorded_at": "2026-10-30T21:54:33Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sulejów, łódzkie\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399170\"}",
            "content_hash": "2893e72ebc9e3eb019ffe50fe6e083551ac707b33bff867aa676ad32073f3d4a",
            "prev_hash": "d3e5a6f010714254f66feee3a1092e2de95a1cd23acd80909474f92649e8354e",
            "hash": "2c5aaa4439ebd8afaf52f30aae707cdeef6a84d691dd7e7d577656602006a967",
            "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": "2026-10-31T00:07:03Z",
            "content": "{\"cpv\": \"85000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"85312100\", \"80000000\", \"92312000\", \"98336000\", \"55520000\", \"85311100\"], \"location\": \"Sulejów, łódzkie\", \"buyer_nip\": \"7711768348\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399170\"}",
            "content_hash": "624d2401863767bbdcf2899c54fa6d8b30468121673d9bfae6f0c78097b10f7d",
            "prev_hash": "2c5aaa4439ebd8afaf52f30aae707cdeef6a84d691dd7e7d577656602006a967",
            "hash": "674e1e9dced9e567128256ee9aabdd167b6d3d60cdc3cb3356c460224a857954",
            "actor": null,
            "seal": null
        },
        {
            "version": 8,
            "recorded_at": "2026-10-31T12:29:41Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sulejów, łódzkie\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399170\"}",
            "content_hash": "2893e72ebc9e3eb019ffe50fe6e083551ac707b33bff867aa676ad32073f3d4a",
            "prev_hash": "674e1e9dced9e567128256ee9aabdd167b6d3d60cdc3cb3356c460224a857954",
            "hash": "e691f541b17b3081244443a2ce41ba269e5eec67d67cfa3d3b92cfc8a512ca9f",
            "actor": null,
            "seal": null
        },
        {
            "version": 9,
            "recorded_at": "2026-10-31T13:33:28Z",
            "content": "{\"cpv\": \"85000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df367d-76c3-3c30-e2d6-6b000120b65e\", \"buyer\": \"Gmina Sulejów\", \"title\": \"Zwiększenie dostępności usług społecznych dla seniorów Gminy Sulejów\", \"region\": \"lodzkie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"85312100\", \"80000000\", \"92312000\", \"98336000\", \"55520000\", \"85311100\"], \"location\": \"Sulejów, łódzkie\", \"buyer_nip\": \"7711768348\", \"source_id\": \"2026/BZP 00513426/01\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:01:00Z\", \"notice_number\": \"2026/BZP 00513426/01\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399170\"}",
            "content_hash": "624d2401863767bbdcf2899c54fa6d8b30468121673d9bfae6f0c78097b10f7d",
            "prev_hash": "e691f541b17b3081244443a2ce41ba269e5eec67d67cfa3d3b92cfc8a512ca9f",
            "hash": "9efb41ad4bd712057be9effa12bd6a8cc35f904b3405b5d48a14a6fe024fcb40",
            "actor": null,
            "seal": null
        }
    ]
}