{
    "tender_id": 3064393,
    "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\": \"38431200\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/096552-2026\", \"buyer\": \"Northern Ireland Housing Executive\", \"title\": \"Wielka Brytania – Supply and Delivery of Smoke Alarms and Heat Alarms for the Northern Ireland Housing Executive\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"31625000\", \"31680000\", \"31681000\", \"31681400\"], \"location\": \"UKN0\", \"source_id\": \"ocds-h6vhtk-07868c\", \"deadline_at\": \"2026-11-09T15:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-13T12:37:52Z\", \"notice_number\": \"096552-2026\"}",
            "content_hash": "7861dab570cda36797a5326319fcf3f72dbaae759f7e461be36425283c9fb6ce",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "75750f7c26b13633bb336451a6445e8f1e720d864abdd8ca17fc30c6bfa5b0c2",
            "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": "2026-10-24T14:03:46Z",
            "content": "{\"cpv\": \"38431200\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/096552-2026\", \"buyer\": \"Northern Ireland Housing Executive\", \"title\": \"Wielka Brytania – Dostawa i dostarczenie czujników dymu i czujników ciepła dla Northern Ireland Housing Executive\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"31625000\", \"31680000\", \"31681000\", \"31681400\"], \"location\": \"UKN0\", \"source_id\": \"ocds-h6vhtk-07868c\", \"deadline_at\": \"2026-11-09T15:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-13T12:37:52Z\", \"notice_number\": \"096552-2026\"}",
            "content_hash": "3301a51ba78923caa58b0b50245a3664a6a7360717a8b7a2f5e6260cb21b54db",
            "prev_hash": "75750f7c26b13633bb336451a6445e8f1e720d864abdd8ca17fc30c6bfa5b0c2",
            "hash": "b611592bd6ff400b72c740b9a27996fed3bab0546207b37251ac195ba78da11f",
            "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
            }
        }
    ]
}