{
    "tender_id": 3064346,
    "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\": \"73000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/096903-2026\", \"buyer\": \"West Northamptonshire Council\", \"title\": \"Wielka Brytania – WNC Children & Young People Health and Wellbeing Survey\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKC, UKD, UKE, UKF, UKG, UKH, UKI, UKJ, UKK\", \"source_id\": \"ocds-h6vhtk-06d553\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-14T10:27:26Z\", \"notice_number\": \"096903-2026\"}",
            "content_hash": "e304015bc847bbd7a842bee5ba9221c8cdc5f8e13e5acba19fcd0925f94029dc",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "abef5f07cd5742f3dbbb20b8c2266b5e98b15931da7eaad75793a318bdd5146f",
            "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": "2026-10-24T14:03:30Z",
            "content": "{\"cpv\": \"73000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/096903-2026\", \"buyer\": \"West Northamptonshire Council\", \"title\": \"Wielka Brytania – Wydanie ankiety WNC dla dzieci i młodzieży dotyczącej zdrowia i dobrego samopoczucia\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKC, UKD, UKE, UKF, UKG, UKH, UKI, UKJ, UKK\", \"source_id\": \"ocds-h6vhtk-06d553\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-14T10:27:26Z\", \"notice_number\": \"096903-2026\"}",
            "content_hash": "5ba040b96cbccc55a4fba102e09ec69d7d7491c444776e42e1f9e8ce7d33b14e",
            "prev_hash": "abef5f07cd5742f3dbbb20b8c2266b5e98b15931da7eaad75793a318bdd5146f",
            "hash": "ec21b792f1afec8ddaf3f5dc25ad4e4c53feee2217d5bca032eb8fe165453704",
            "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
            }
        }
    ]
}