{
    "tender_id": 3972932,
    "check": {
        "ok": true,
        "versions": 6,
        "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": "2026-10-29T15:13:59Z",
            "content": "{\"cpv\": \"98310000\", \"url\": \"https://otwock-szpital.ezamawiajacy.pl/pn/otwock-szpital/demand/notice/public/240890/details\", \"buyer\": \"Mazowieckie Centrum Leczenia Chorób Płuc i Gruźlicy\", \"title\": \"Usługi Prania\", \"region\": \"mazowieckie\", \"source\": \"otwock_szpital_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240890\", \"deadline_at\": \"2026-11-30T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T08:27:00Z\"}",
            "content_hash": "99e8747c17d48f7caeb558047b678946c8ca2541154d8e40317ce54a1ed8a9e7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "23892d6f20e574976dffe53a8329d4079ecfba7f34ffc5b0525ce021c1abb35f",
            "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": "2026-10-29T15:30:09Z",
            "content": "{\"cpv\": \"98310000\", \"url\": \"https://otwock-szpital.ezamawiajacy.pl/pn/otwock-szpital/demand/notice/public/240890/details\", \"buyer\": \"Mazowieckie Centrum Leczenia Chorób Płuc i Gruźlicy\", \"title\": \"Usługi Prania\", \"region\": \"mazowieckie\", \"source\": \"otwock_szpital_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240890\", \"deadline_at\": \"2026-11-30T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T08:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860133/uslugi-prania\"}",
            "content_hash": "a5c64341797c944db2fda9c588a93d86f33df70609b83ef3ac4fc2c4f6c3bd83",
            "prev_hash": "23892d6f20e574976dffe53a8329d4079ecfba7f34ffc5b0525ce021c1abb35f",
            "hash": "10542263e3850705fc00707f7b9da5344f96ce018473bc36e7fe583572bb6a3e",
            "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": "2026-10-31T04:45:41Z",
            "content": "{\"cpv\": \"98310000\", \"url\": \"https://otwock-szpital.ezamawiajacy.pl/pn/otwock-szpital/demand/notice/public/240890/details\", \"buyer\": \"Mazowieckie Centrum Leczenia Chorób Płuc i Gruźlicy\", \"title\": \"Usługi Prania\", \"region\": \"mazowieckie\", \"source\": \"otwock_szpital_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240890\", \"deadline_at\": \"2026-11-30T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T08:27:00Z\", \"procedure_url\": \"https://otwock-szpital.ezamawiajacy.pl/pn/otwock-szpital/demand/notice/public/240890/details\"}",
            "content_hash": "b6a7db169cd45907ecf44b24a5f02ce6b817e91c5143ba06a6d6c193dae5daf2",
            "prev_hash": "10542263e3850705fc00707f7b9da5344f96ce018473bc36e7fe583572bb6a3e",
            "hash": "dc60c92cd23935ca5252fdc1ef97fc5170a387da829e0f8a592f3cfba5aa43dc",
            "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": 4,
            "recorded_at": "2026-10-31T10:45:54Z",
            "content": "{\"cpv\": \"98310000\", \"url\": \"https://otwock-szpital.ezamawiajacy.pl/pn/otwock-szpital/demand/notice/public/240890/details\", \"buyer\": \"Mazowieckie Centrum Leczenia Chorób Płuc i Gruźlicy\", \"title\": \"Usługi Prania\", \"region\": \"mazowieckie\", \"source\": \"otwock_szpital_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240890\", \"deadline_at\": \"2026-11-30T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T08:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860133/uslugi-prania\"}",
            "content_hash": "a5c64341797c944db2fda9c588a93d86f33df70609b83ef3ac4fc2c4f6c3bd83",
            "prev_hash": "dc60c92cd23935ca5252fdc1ef97fc5170a387da829e0f8a592f3cfba5aa43dc",
            "hash": "4629077e347093e764a23dfd11c03406848e750971e97f262e1381532c95ebd1",
            "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": 5,
            "recorded_at": "2026-10-31T17:45:28Z",
            "content": "{\"cpv\": \"98310000\", \"url\": \"https://otwock-szpital.ezamawiajacy.pl/pn/otwock-szpital/demand/notice/public/240890/details\", \"buyer\": \"Mazowieckie Centrum Leczenia Chorób Płuc i Gruźlicy\", \"title\": \"Usługi Prania\", \"region\": \"mazowieckie\", \"source\": \"otwock_szpital_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240890\", \"deadline_at\": \"2026-11-30T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T08:27:00Z\", \"procedure_url\": \"https://otwock-szpital.ezamawiajacy.pl/pn/otwock-szpital/demand/notice/public/240890/details\"}",
            "content_hash": "b6a7db169cd45907ecf44b24a5f02ce6b817e91c5143ba06a6d6c193dae5daf2",
            "prev_hash": "4629077e347093e764a23dfd11c03406848e750971e97f262e1381532c95ebd1",
            "hash": "312c05862e2e93131bfc94232506d43a6a23e5f534a0ff022280257c59e3924c",
            "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": 6,
            "recorded_at": "2026-11-01T00:45:51Z",
            "content": "{\"cpv\": \"98310000\", \"url\": \"https://otwock-szpital.ezamawiajacy.pl/pn/otwock-szpital/demand/notice/public/240890/details\", \"buyer\": \"Mazowieckie Centrum Leczenia Chorób Płuc i Gruźlicy\", \"title\": \"Usługi Prania\", \"region\": \"mazowieckie\", \"source\": \"otwock_szpital_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240890\", \"deadline_at\": \"2026-11-30T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T08:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860133/uslugi-prania\"}",
            "content_hash": "a5c64341797c944db2fda9c588a93d86f33df70609b83ef3ac4fc2c4f6c3bd83",
            "prev_hash": "312c05862e2e93131bfc94232506d43a6a23e5f534a0ff022280257c59e3924c",
            "hash": "09f58d32ca8f4ff3934766e48e40d8ddf2e15449b4877c63af988cea26f30a42",
            "actor": null,
            "seal": null
        }
    ]
}