{
    "tender_id": 3064610,
    "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\": \"50532200\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/094949-2026\", \"buyer\": \"UK Atomic Energy Authority\", \"title\": \"Wielka Brytania – J5 Super Grid Transformer Refurbishment\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45453100\", \"71334000\"], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-06e3ab\", \"deadline_at\": \"2026-11-05T12:30:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-07T16:07:19Z\", \"notice_number\": \"094949-2026\"}",
            "content_hash": "b931076a75013a1bd37bd2faea5d5f3eb9d71d5c96435a7a5995e2f158367829",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a358627a627bc33d61df3b8a7328229edcd70c324f736498037484dfb3f34801",
            "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": "2026-10-24T14:05:12Z",
            "content": "{\"cpv\": \"50532200\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/094949-2026\", \"buyer\": \"UK Atomic Energy Authority\", \"title\": \"Wielka Brytania – Renowacja Transformatora J5 Super Grid\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45453100\", \"71334000\"], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-06e3ab\", \"deadline_at\": \"2026-11-05T12:30:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-07T16:07:19Z\", \"notice_number\": \"094949-2026\"}",
            "content_hash": "49e6686f2baa205ba5ef44e7f3cf06a1638205ac290ce52be62046e890d98141",
            "prev_hash": "a358627a627bc33d61df3b8a7328229edcd70c324f736498037484dfb3f34801",
            "hash": "ec5782712cba38719b6bd0bf3ad4f0469b8c93665418b523439bedc55fa15ad5",
            "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
            }
        }
    ]
}