{
    "tender_id": 4145274,
    "check": {
        "ok": true,
        "versions": 8,
        "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": "{\"cpv\": \"72314000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"PRZELICZNIK CIEPŁA MULTICAL 603-E\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128083\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:18:00Z\"}",
            "content_hash": "d982b1932d1da0e93ebcc59b472b61057a1cc893e8ab5527034836539cfa4b25",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "933ee2836c3a496df8784a13805ac4e134cee3899ff32748c9432814047908ad",
            "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": "{\"cpv\": \"72314000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"PRZELICZNIK CIEPŁA MULTICAL 603-E\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128083\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:18:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\"}",
            "content_hash": "771a368ccd74c54cbc0110885bb841d621207e5318fe1dc64d2a8307bdc751a8",
            "prev_hash": "933ee2836c3a496df8784a13805ac4e134cee3899ff32748c9432814047908ad",
            "hash": "af09560e57adfb58ea34912aa61a1927a04d5ef0420fcde26000ec6ae0e01a9a",
            "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": "2026-10-30T20:45:18Z",
            "content": "{\"cpv\": \"72314000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"PRZELICZNIK CIEPŁA MULTICAL 603-E\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128083\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:18:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863928/przelicznik-ciep-a-multical-603-e\"}",
            "content_hash": "8f13e40d539d6690c384ef21bf4fe0b6cb0ee01a9aefb1f84720791d75b762d4",
            "prev_hash": "af09560e57adfb58ea34912aa61a1927a04d5ef0420fcde26000ec6ae0e01a9a",
            "hash": "a76884fb8d8cd36629ba17e976c835e263fadfa5b5b8757d52abc58fd75e5710",
            "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": "{\"cpv\": \"72314000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"PRZELICZNIK CIEPŁA MULTICAL 603-E\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128083\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:18:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\"}",
            "content_hash": "771a368ccd74c54cbc0110885bb841d621207e5318fe1dc64d2a8307bdc751a8",
            "prev_hash": "a76884fb8d8cd36629ba17e976c835e263fadfa5b5b8757d52abc58fd75e5710",
            "hash": "a3cc87c042d62b74de80237757499bb0e4471e0ef891148ccedbbe83a301e8dc",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T10:46:12Z",
            "content": "{\"cpv\": \"72314000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"PRZELICZNIK CIEPŁA MULTICAL 603-E\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128083\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:18:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863928/przelicznik-ciep-a-multical-603-e\"}",
            "content_hash": "8f13e40d539d6690c384ef21bf4fe0b6cb0ee01a9aefb1f84720791d75b762d4",
            "prev_hash": "a3cc87c042d62b74de80237757499bb0e4471e0ef891148ccedbbe83a301e8dc",
            "hash": "bca71eb920a17bf83dcc367d4cf2c65095f1b40fa7d40ad7edfafba7604a127b",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-31T17:45:22Z",
            "content": "{\"cpv\": \"72314000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"PRZELICZNIK CIEPŁA MULTICAL 603-E\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128083\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:18:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\"}",
            "content_hash": "771a368ccd74c54cbc0110885bb841d621207e5318fe1dc64d2a8307bdc751a8",
            "prev_hash": "bca71eb920a17bf83dcc367d4cf2c65095f1b40fa7d40ad7edfafba7604a127b",
            "hash": "afc571e763f23da8e26dfb24c2fd23be25e4f940bac52bb4426cc1511f86c733",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-11-01T00:45:52Z",
            "content": "{\"cpv\": \"72314000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"PRZELICZNIK CIEPŁA MULTICAL 603-E\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128083\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:18:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863928/przelicznik-ciep-a-multical-603-e\"}",
            "content_hash": "8f13e40d539d6690c384ef21bf4fe0b6cb0ee01a9aefb1f84720791d75b762d4",
            "prev_hash": "afc571e763f23da8e26dfb24c2fd23be25e4f940bac52bb4426cc1511f86c733",
            "hash": "d82e7a72b701fd7598636c8bdecb1ea3375482d00938ca8803d3445a8a87b3ec",
            "actor": null,
            "seal": null
        },
        {
            "version": 8,
            "recorded_at": "2026-11-01T06:45:36Z",
            "content": "{\"cpv\": \"72314000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"PRZELICZNIK CIEPŁA MULTICAL 603-E\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128083\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:18:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128083\"}",
            "content_hash": "771a368ccd74c54cbc0110885bb841d621207e5318fe1dc64d2a8307bdc751a8",
            "prev_hash": "d82e7a72b701fd7598636c8bdecb1ea3375482d00938ca8803d3445a8a87b3ec",
            "hash": "5b0270c66e14c6e72553729d1df09358b5f6d75cf8e47165eb6de26bfcddefae",
            "actor": null,
            "seal": null
        }
    ]
}