{
    "tender_id": 3858648,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-29T02:07:00Z",
            "content": "{\"cpv\": \"15500000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/751369-2026\", \"buyer\": \"21 Wojskowy Oddział Gospodarczy w Elblągu\", \"title\": \"Polska – Produkty mleczarskie – Zakup i dostawy produktów mleczarskich w 2027 r.\", \"region\": \"warminsko-mazurskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"POL, POL, POL\", \"buyer_nip\": \"5783109861\", \"source_id\": \"751369-2026\", \"deadline_at\": \"2026-11-30T07:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\"}",
            "content_hash": "5656ea00653eabea9cd187ac6a99811127639d862455615cab1b390bdcc6b785",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5ab92221ebd3d1edac52447ffb50d75d8ec3d6e55f01f1ccd22a71d85a830034",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T11:45:36Z",
            "content": "{\"cpv\": \"15500000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/751369-2026\", \"buyer\": \"21 Wojskowy Oddział Gospodarczy w Elblągu\", \"title\": \"Polska – Produkty mleczarskie – Zakup i dostawy produktów mleczarskich w 2027 r.\", \"region\": \"warminsko-mazurskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"POL, POL, POL\", \"buyer_nip\": \"5783109861\", \"source_id\": \"751369-2026\", \"deadline_at\": \"2026-11-30T07:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/751369-2026\"}",
            "content_hash": "295148a579342551c766462b1fa8ec3d052e20d08dd0a6e2486412c3bc6c2a5a",
            "prev_hash": "5ab92221ebd3d1edac52447ffb50d75d8ec3d6e55f01f1ccd22a71d85a830034",
            "hash": "330be548d42d40c3b46060e00f518ecd4c4590cc7b31fc3008335fab4c57a121",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T19:45:59Z",
            "content": "{\"cpv\": \"15500000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/751369-2026\", \"buyer\": \"21 Wojskowy Oddział Gospodarczy w Elblągu\", \"title\": \"Polska – Produkty mleczarskie – Zakup i dostawy produktów mleczarskich w 2027 r.\", \"region\": \"warminsko-mazurskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"POL, POL, POL\", \"buyer_nip\": \"5783109861\", \"source_id\": \"751369-2026\", \"deadline_at\": \"2026-11-30T07:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1398581\"}",
            "content_hash": "0652c5d659c2bf5097092b298877a578f0611444d04b32cc521d1c458700dd07",
            "prev_hash": "330be548d42d40c3b46060e00f518ecd4c4590cc7b31fc3008335fab4c57a121",
            "hash": "0af5ffbeb20a690f8a41de6c08ca50c056c43317598d00b81f40ff92da3a70cc",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}