{
    "tender_id": 3064444,
    "check": {
        "ok": true,
        "versions": 2,
        "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\": \"38000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/096219-2026\", \"buyer\": \"Forensic Science Northern Ireland\", \"title\": \"Wielka Brytania – ID 6676734 - DOJ – FSNI - DNA Unit: Supply, Installation and Maintenance of DNA Thermocyclers\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKN\", \"source_id\": \"ocds-h6vhtk-0785e1\", \"deadline_at\": \"2026-11-11T23:59:59Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-12T14:55:28Z\", \"notice_number\": \"096219-2026\"}",
            "content_hash": "686b1f634f0a43a270ee4fdebb4454f71fdfaa110c704f35112b80614a345d4e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0b473d6206d46777255144b8cf0cf2d85454bc9a7e89dfbcd8d6598416c259e2",
            "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": "2026-10-24T14:04:14Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/096219-2026\", \"buyer\": \"Forensic Science Northern Ireland\", \"title\": \"Wielka Brytania – ID 6676734 - DOJ – FSNI - DNA Unit: Dostawa, Instalacja i Utrzymanie DNA Termocyklerów\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKN\", \"source_id\": \"ocds-h6vhtk-0785e1\", \"deadline_at\": \"2026-11-11T23:59:59Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-12T14:55:28Z\", \"notice_number\": \"096219-2026\"}",
            "content_hash": "19cd696f21cc93d308b6ce41cb2be22d31efcdfb23a1417c72cc2145273233ca",
            "prev_hash": "0b473d6206d46777255144b8cf0cf2d85454bc9a7e89dfbcd8d6598416c259e2",
            "hash": "4142e59a533682b0f87ed542df07b5f28a321a77c64ade84a33a7980e07456a3",
            "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
            }
        }
    ]
}