{
    "tender_id": 2380246,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"33696500\", \"url\": \"https://szpital-ostroleka.ezamawiajacy.pl/pn/szpital-ostroleka/demand/notice/public/239451/details\", \"buyer\": \"Mazowiecki Szpital Specjalistyczny im. dr. Józefa Psarskiego w Ostrołęce\", \"title\": \"Dostawa odczynników do Zakładu Patomorfologii\", \"source\": \"szpital_ostroleka_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239451\", \"deadline_at\": \"2026-10-28T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T13:22:00Z\", \"procedure_url\": \"https://szpital-ostroleka.ezamawiajacy.pl/pn/szpital-ostroleka/demand/notice/public/239451/details\"}",
            "content_hash": "41723ac47e596779e62f3e82898b7e57a735b7ec7ef229cff2c83be184bd4583",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1d3475f4a4f2a252960c82a65142767f70165c6cddc981d6b8041e7b97b071a1",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T19:55:05Z",
            "content": "{\"cpv\": \"33696500\", \"url\": \"https://szpital-ostroleka.ezamawiajacy.pl/pn/szpital-ostroleka/demand/notice/public/239451/details\", \"buyer\": \"Mazowiecki Szpital Specjalistyczny im. dr. Józefa Psarskiego w Ostrołęce\", \"title\": \"Dostawa odczynników do Zakładu Patomorfologii\", \"source\": \"szpital_ostroleka_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239451\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T13:22:00Z\", \"procedure_url\": \"https://szpital-ostroleka.ezamawiajacy.pl/pn/szpital-ostroleka/demand/notice/public/239451/details\"}",
            "content_hash": "da59055335388c6502ea993d5217d55d997ab85569b0218bb6d3066fac0e702f",
            "prev_hash": "1d3475f4a4f2a252960c82a65142767f70165c6cddc981d6b8041e7b97b071a1",
            "hash": "1478b6a41c3f58dd6975a5df1f347daa9c86b8c5ff86bb34340f72613481f807",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-28T19:32:12Z",
            "content": "{\"cpv\": \"33696500\", \"url\": \"https://szpital-ostroleka.ezamawiajacy.pl/pn/szpital-ostroleka/demand/notice/public/239451/details\", \"buyer\": \"Mazowiecki Szpital Specjalistyczny im. dr. Józefa Psarskiego w Ostrołęce\", \"title\": \"Dostawa odczynników do Zakładu Patomorfologii\", \"source\": \"szpital_ostroleka_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239451\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T13:22:00Z\", \"procedure_url\": \"https://szpital-koscierzyna.eb2b.com.pl/open-preview-auction.html/530763/dzp-34-26-dzierzawa-analizatorow-diagnostycznych-z-dostawa-odczynnikow-dla-zakladu-diagnostyki-laboratoryjnej-i-mikrobiologicznej-z-bankiem-krwi-szpitalnego-oddzialu-ratunkowego-oraz-zakladu-patomorfologii\"}",
            "content_hash": "abfba1843d64cedaa0f165737e0247b31808f6bd908a83cf5bc8218b9a78680d",
            "prev_hash": "1478b6a41c3f58dd6975a5df1f347daa9c86b8c5ff86bb34340f72613481f807",
            "hash": "981f49b6bae44a5592b5f38cf1de51f0089d510833c152f92199dfe87f2774a8",
            "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": "2026-10-28T23:31:45Z",
            "content": "{\"cpv\": \"33696500\", \"url\": \"https://szpital-ostroleka.ezamawiajacy.pl/pn/szpital-ostroleka/demand/notice/public/239451/details\", \"buyer\": \"Mazowiecki Szpital Specjalistyczny im. dr. Józefa Psarskiego w Ostrołęce\", \"title\": \"Dostawa odczynników do Zakładu Patomorfologii\", \"source\": \"szpital_ostroleka_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239451\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T13:22:00Z\", \"procedure_url\": \"https://szpital-ostroleka.ezamawiajacy.pl/pn/szpital-ostroleka/demand/notice/public/239451/details\"}",
            "content_hash": "da59055335388c6502ea993d5217d55d997ab85569b0218bb6d3066fac0e702f",
            "prev_hash": "981f49b6bae44a5592b5f38cf1de51f0089d510833c152f92199dfe87f2774a8",
            "hash": "92fa0a2c9962a32352a27f79f58c176e79471cefab49ec2eb98306d73ed07aaf",
            "actor": null,
            "seal": null
        }
    ]
}