{
    "tender_id": 5203097,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-04T13:48:24Z",
            "content": "{\"cpv\": \"30213100\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536913/zakup-komputerow-przenosnych-6\", \"buyer\": \"EUROPOL GAZ S.A.\", \"title\": \"Zakup komputerów przenośnych\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536913\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T12:00:00Z\"}",
            "content_hash": "c9caaa5d0401cd4a9f3529b0beb3e51356002a8a0d9efa3aa71b48cf33e9bd08",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1708e199473def09730e26f57a48236f5c33e55247a013436e321d88c70153b5",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T06:45:57Z",
            "content": "{\"cpv\": \"30213100\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536913/zakup-komputerow-przenosnych-6\", \"buyer\": \"EUROPOL GAZ S.A.\", \"title\": \"Zakup komputerów przenośnych\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536913\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T12:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536913/zakup-komputerow-przenosnych-6\"}",
            "content_hash": "3abd97534d638bb2ac64a9691310990bae97111e3d624e441442f7e5663780a8",
            "prev_hash": "1708e199473def09730e26f57a48236f5c33e55247a013436e321d88c70153b5",
            "hash": "2319eaafa093939624fdc1e50bc128f220bc5934ff73675da715066781addab1",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-06T05:47:13Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536913/zakup-komputerow-przenosnych-6\", \"buyer\": \"EUROPOL GAZ S.A.\", \"title\": \"Zakup komputerów przenośnych\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536913\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T12:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536913/zakup-komputerow-przenosnych-6\"}",
            "content_hash": "84b304419d2ccb555175754a0150a20af89e0fccc076696f2df7498fdf885a6c",
            "prev_hash": "2319eaafa093939624fdc1e50bc128f220bc5934ff73675da715066781addab1",
            "hash": "e558bf3d66286c831c9fb3213d6576e72a7d88c8bdf8ae5614271f067af370de",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        }
    ]
}