{
    "tender_id": 4145264,
    "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": "2026-10-30T14:46:08Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128096\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE O ZAWÓR TRJ 658-03\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128096\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:54:00Z\"}",
            "content_hash": "3fde924e5dcb429d9ff882df432f1ff2c28c6a04126476afc9d6e0008c6ce99d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7ba0bbf868c15fbfa1903ec8bcc39502993555460c55cf81688850c3c4fe479c",
            "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": "2026-10-30T15:31:08Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128096\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE O ZAWÓR TRJ 658-03\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128096\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:54:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128096\"}",
            "content_hash": "1e6043b40f0b08f874161ededed7787e3a3501fdc39f5cb4e105c1d07d314cea",
            "prev_hash": "7ba0bbf868c15fbfa1903ec8bcc39502993555460c55cf81688850c3c4fe479c",
            "hash": "67f61b1a6cf66a92728cc619db448aabec20a3b569b06311b1e1a16e7da8e748",
            "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": 3,
            "recorded_at": "2026-10-30T20:45:19Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128096\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE O ZAWÓR TRJ 658-03\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128096\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:54:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863967/zapytanie-o-zawor-trj-658-03\"}",
            "content_hash": "9b634ff6a2c71b9eb10abdf357a333c9d4a4c8eb605bf4a51c8028a8a6236914",
            "prev_hash": "67f61b1a6cf66a92728cc619db448aabec20a3b569b06311b1e1a16e7da8e748",
            "hash": "7c9fbdaeb5b814bbc1cc066f748e37bf63d409c5838abe2a5bd1ff227b147012",
            "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": 4,
            "recorded_at": "2026-10-31T04:45:34Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128096\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE O ZAWÓR TRJ 658-03\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128096\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:54:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128096\"}",
            "content_hash": "1e6043b40f0b08f874161ededed7787e3a3501fdc39f5cb4e105c1d07d314cea",
            "prev_hash": "7c9fbdaeb5b814bbc1cc066f748e37bf63d409c5838abe2a5bd1ff227b147012",
            "hash": "590ef0f27a1f6c0451b452806c0d7a15710f8a43be9cf0da2f0cb980d89d9922",
            "actor": null,
            "seal": null
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T10:46:11Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128096\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE O ZAWÓR TRJ 658-03\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128096\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:54:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863967/zapytanie-o-zawor-trj-658-03\"}",
            "content_hash": "9b634ff6a2c71b9eb10abdf357a333c9d4a4c8eb605bf4a51c8028a8a6236914",
            "prev_hash": "590ef0f27a1f6c0451b452806c0d7a15710f8a43be9cf0da2f0cb980d89d9922",
            "hash": "891c63458f03b8acbf93cbac83bc550ace7fa14dd07209e5155671e4896cd7a0",
            "actor": null,
            "seal": null
        }
    ]
}