{
    "tender_id": 3063788,
    "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\": \"85000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/100556-2026\", \"buyer\": \"London Borough of Barking and Dagenham\", \"title\": \"Wielka Brytania – Infant Feeding Service\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKI\", \"source_id\": \"ocds-h6vhtk-078f29\", \"deadline_at\": \"2026-11-25T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-23T13:25:28Z\", \"notice_number\": \"100556-2026\"}",
            "content_hash": "6a99726e8e5a67aeb11d52d46c24ed4f5e63e5ffddc5b0036ba604c39c672e89",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0ae7d2e864930c6e47a1a6c6837c71f2b20062d614aa556f6297f22db7689b2e",
            "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": "2026-10-24T14:00:14Z",
            "content": "{\"cpv\": \"85000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/100556-2026\", \"buyer\": \"London Borough of Barking and Dagenham\", \"title\": \"Wielka Brytania – Usługa Karmienia Dzieci\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKI\", \"source_id\": \"ocds-h6vhtk-078f29\", \"deadline_at\": \"2026-11-25T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-23T13:25:28Z\", \"notice_number\": \"100556-2026\"}",
            "content_hash": "e89291fea869ff863ccd4df98030fc4e83f22bafcbfebb60fb778d6398395138",
            "prev_hash": "0ae7d2e864930c6e47a1a6c6837c71f2b20062d614aa556f6297f22db7689b2e",
            "hash": "a81224f416e8444e43fa88b3e3a5b7ef2930c9ceeed33686ebab0d26732cdf70",
            "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
            }
        }
    ]
}