{
    "tender_id": 4082959,
    "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": "2026-10-30T04:38:46Z",
            "content": "{\"cpv\": \"45233141\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/754335-2026\", \"buyer\": \"COMMUNAUTE D'AGGLOMERATION VALENCIENNES METROPOLE\", \"title\": \"Francja – Roboty w zakresie konserwacji dróg – TRAVAUX D’AMENAGEMENT DES ESPACES PUBLICS DU QUARTIER DE CHASSE ROYALE PHASE 3 SUR LES COMMUNES DE VALENCIENNES ET DE LA SENTINELLE\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [\"32400000\", \"34993000\", \"45112700\", \"45232410\"], \"location\": \"FRE11, FRA, FRE11, FRE11, FRE11, FRA, FRA, FRA\", \"source_id\": \"754335-2026\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-30T01:00:00Z\"}",
            "content_hash": "297ad921e35f8f8f8ad46473e20d0070ca3ef315e289f228b16c56827b5bfed6",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d1dd385341cbda6728a7c397c545e74888ca421e408bbd511526d6bb2485c29a",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T08:14:40Z",
            "content": "{\"cpv\": \"45233141\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/754335-2026\", \"buyer\": \"COMMUNAUTE D'AGGLOMERATION VALENCIENNES METROPOLE\", \"title\": \"Francja – Roboty w zakresie konserwacji dróg – PRACE PRZEMOUNTUJĄCE PRZETWORNIE ZBIÓRUNKÓW PUBLICZNYCH W KWARCIEŁU CHASSE ROYALE Faza 3 na GMINACH VALENCIENNES i LA SENTINELLE\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [\"32400000\", \"34993000\", \"45112700\", \"45232410\"], \"location\": \"FRE11, FRA, FRE11, FRE11, FRE11, FRA, FRA, FRA\", \"source_id\": \"754335-2026\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-30T01:00:00Z\"}",
            "content_hash": "ae94525af72bc3d1a392310a8267a8931a48eca0d4f682f33479d6fdfbcb1928",
            "prev_hash": "d1dd385341cbda6728a7c397c545e74888ca421e408bbd511526d6bb2485c29a",
            "hash": "d0a1685118c92b4a100a67d53936afe405b2572fddf62c4d88de802f42d51718",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}