{
    "tender_id": 3375371,
    "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": "2026-10-26T10:05:29Z",
            "content": "{\"cpv\": \"79713000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/740512-2026\", \"buyer\": \"Toulouse Business School\", \"title\": \"Francja – Usługi strażnicze – Prestation de gardiennage et de télésurveillance des sites de TBS EDUCATION\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"FRA, FRJ23, FRA, FRA\", \"source_id\": \"740512-2026\", \"deadline_at\": \"2026-11-24T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "dd18a8deeadf7cd2d67985dddc49a2e5df4edb4224ade7850ac855190dff67d7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0262a9a897145da3db92371e8341db01d1a813e94c4ab0e87d7a00a005c9cc88",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T13:29:03Z",
            "content": "{\"cpv\": \"79713000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/740512-2026\", \"buyer\": \"Toulouse Business School\", \"title\": \"Francja – Usługi strażnicze – Wykonanie usługi stróżowania i monitoringu wizyjnego obiektów TBS EDUCATION\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"FRA, FRJ23, FRA, FRA\", \"source_id\": \"740512-2026\", \"deadline_at\": \"2026-11-24T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "c2556c71b4e44af6b55fec89a454b794005fa2bdadb3e9eb71f37232e90ef25c",
            "prev_hash": "0262a9a897145da3db92371e8341db01d1a813e94c4ab0e87d7a00a005c9cc88",
            "hash": "b316709f564480ff297aeb6e7b364e67da82abb20cf65a12f3883b297df8d6fd",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        }
    ]
}