{
    "tender_id": 3858480,
    "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": "2026-10-29T02:06:36Z",
            "content": "{\"cpv\": \"85121000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/749644-2026\", \"buyer\": \"34. Wojskowy Oddział Gospodarczy\", \"title\": \"Polska – Usługi medyczne – Usługi i świadczenia zdrowotne w zakresie medycyny pracy (zamówienie z podziałem na 4 części)\", \"region\": \"podkarpackie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL823, POL, PL823, PL823, PL823, PL823, POL, POL, POL, POL\", \"source_id\": \"749644-2026\", \"deadline_at\": \"2026-12-01T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\"}",
            "content_hash": "a2f5707ad5bc0f8536a434f6ae7e66b903bf1293005941c865af2e5085b381fd",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "86b9fcf3054711c4324fadc192179604a4139eba744d36c5480dd7c22e195762",
            "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": "2026-10-29T11:45:35Z",
            "content": "{\"cpv\": \"85121000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/749644-2026\", \"buyer\": \"34. Wojskowy Oddział Gospodarczy\", \"title\": \"Polska – Usługi medyczne – Usługi i świadczenia zdrowotne w zakresie medycyny pracy (zamówienie z podziałem na 4 części)\", \"region\": \"podkarpackie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL823, POL, PL823, PL823, PL823, PL823, POL, POL, POL, POL\", \"source_id\": \"749644-2026\", \"deadline_at\": \"2026-12-01T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/749644-2026\"}",
            "content_hash": "78bacb50d076f20b3cdca0cd16f2ee4bd549742881610e37c6dc3733ef7a0afa",
            "prev_hash": "86b9fcf3054711c4324fadc192179604a4139eba744d36c5480dd7c22e195762",
            "hash": "1f89180c5453ba0607d46a25170e4ec0fb2b24192e214709e8dfb5c9973fb2cb",
            "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\": \"85121000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/749644-2026\", \"buyer\": \"34. Wojskowy Oddział Gospodarczy\", \"title\": \"Polska – Usługi medyczne – Usługi i świadczenia zdrowotne w zakresie medycyny pracy (zamówienie z podziałem na 4 części)\", \"region\": \"podkarpackie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL823, POL, PL823, PL823, PL823, PL823, POL, POL, POL, POL\", \"source_id\": \"749644-2026\", \"deadline_at\": \"2026-12-01T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1395001\"}",
            "content_hash": "020f5321d18b64e9e8f8e408069ee1fe201842371c534a4527ab6857ceb3ab9a",
            "prev_hash": "1f89180c5453ba0607d46a25170e4ec0fb2b24192e214709e8dfb5c9973fb2cb",
            "hash": "90842d3bbabd9779150bc44e7aa49fbcd1623ecebcf2ae062eaccb71e8de7f70",
            "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
            }
        }
    ]
}