{
    "tender_id": 3478393,
    "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": "2026-10-26T23:18:26Z",
            "content": "{\"cpv\": \"45111290\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/743764-2026\", \"buyer\": \"NANTES METROPOLE AMENAGEMENT\", \"title\": \"Francja – Roboty przygotowawcze do świadczenia usług – Travaux Préparatoires des Quais-Jardins de la Cité des Imaginaires\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [\"45232130\", \"45232411\", \"45231600\"], \"location\": \"FRG01, FRA, FRG01, FRG01, FRA, FRA\", \"source_id\": \"743764-2026\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-27T01:00:00Z\"}",
            "content_hash": "4fa3782ad9fe2bf3edc5e06661a8830e0ca4edaae632aed186456f2b3b3650ee",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "079d1213ff87f53d7b8e4425efcde405f42f6ddc16709cd4647cc46ae666608e",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T06:15:44Z",
            "content": "{\"cpv\": \"45111290\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/743764-2026\", \"buyer\": \"NANTES METROPOLE AMENAGEMENT\", \"title\": \"Francja – Roboty przygotowawcze do świadczenia usług – Prace przygotowawcze Quais-Jardins w Cité des Imaginaires\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [\"45232130\", \"45232411\", \"45231600\"], \"location\": \"FRG01, FRA, FRG01, FRG01, FRA, FRA\", \"source_id\": \"743764-2026\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-27T01:00:00Z\"}",
            "content_hash": "2ad69f373f4768c56e21f0ee656bcd7292a3d51e4db44a7ff8c1a4411444d141",
            "prev_hash": "079d1213ff87f53d7b8e4425efcde405f42f6ddc16709cd4647cc46ae666608e",
            "hash": "c5078213419c450248e9d552888e73e01382074369f43a1f76a4c8344be1d93e",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}