{
    "tender_id": 6412471,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-11-10T18:36:51Z",
            "content": "{\"cpv\": \"71247000\", \"url\": \"https://platformazakupowa.pl/transakcja/1407389\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na część taśmiarki\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407389\", \"deadline_at\": \"2026-11-16T10:16:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:16:00Z\", \"notice_number\": \"1407389\"}",
            "content_hash": "0b35ad3586eb4988a2a1d0ee56df65097f5a4739b6bcf24e8a741824b56d10f5",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "78e6f0b0d01eb0844442109846f5b99f368198ef4eef0ab6f81e0856283850cc",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-10T18:45:33Z",
            "content": "{\"cpv\": \"71247000\", \"url\": \"https://platformazakupowa.pl/transakcja/1407389\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na część taśmiarki\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407389\", \"deadline_at\": \"2026-11-16T10:16:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:16:00Z\", \"notice_number\": \"1407389\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1407389\"}",
            "content_hash": "efcb3f161e8a71c978d38f18c4268f4dd6721bacdde3e6edea51396dee56b2cb",
            "prev_hash": "78e6f0b0d01eb0844442109846f5b99f368198ef4eef0ab6f81e0856283850cc",
            "hash": "0054909989394dbd436fbfbec59a3b1147681a12ac32fed7e9dddacca1d924f4",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-10T22:45:23Z",
            "content": "{\"cpv\": \"71247000\", \"url\": \"https://platformazakupowa.pl/transakcja/1407389\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na część taśmiarki\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407389\", \"deadline_at\": \"2026-11-16T10:16:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:16:00Z\", \"notice_number\": \"1407389\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888040/prosba-o-oferte-na-czesc-tasmiarki\"}",
            "content_hash": "c98b3238ab6e976a05e562ae44f0d5558ba32d4c2fcddeb77644af989b2a1e79",
            "prev_hash": "0054909989394dbd436fbfbec59a3b1147681a12ac32fed7e9dddacca1d924f4",
            "hash": "1fa533ebb994bfabb0faca52abab7d5ced33309eecda3ed70c9a2a67aae5a042",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-11T16:45:58Z",
            "content": "{\"cpv\": \"71247000\", \"url\": \"https://platformazakupowa.pl/transakcja/1407389\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na część taśmiarki\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407389\", \"deadline_at\": \"2026-11-16T10:16:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:16:00Z\", \"notice_number\": \"1407389\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1407389\"}",
            "content_hash": "efcb3f161e8a71c978d38f18c4268f4dd6721bacdde3e6edea51396dee56b2cb",
            "prev_hash": "1fa533ebb994bfabb0faca52abab7d5ced33309eecda3ed70c9a2a67aae5a042",
            "hash": "1eb8840fe0ab493ed3ca7a1c2a0ed4e0c578cff650c9f41ea4e5fcfe6c7888ce",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-12T05:45:58Z",
            "content": "{\"cpv\": \"71247000\", \"url\": \"https://platformazakupowa.pl/transakcja/1407389\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na część taśmiarki\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407389\", \"deadline_at\": \"2026-11-16T10:16:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:16:00Z\", \"notice_number\": \"1407389\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888040/prosba-o-oferte-na-czesc-tasmiarki\"}",
            "content_hash": "c98b3238ab6e976a05e562ae44f0d5558ba32d4c2fcddeb77644af989b2a1e79",
            "prev_hash": "1eb8840fe0ab493ed3ca7a1c2a0ed4e0c578cff650c9f41ea4e5fcfe6c7888ce",
            "hash": "8fd84046d1e4667c108788d21d00ef558171ccf791693daf9745c0cedba8a782",
            "actor": null,
            "seal": null
        }
    ]
}