{
    "tender_id": 4222226,
    "check": {
        "ok": true,
        "versions": 7,
        "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": "2026-10-30T20:56:26Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1401300\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Taśmy, linki i holdery.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401300\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:53:00Z\", \"notice_number\": \"1401300\"}",
            "content_hash": "a8b35f1aa8902a8fa928ebda2467393bbdf28ac634fe7a3c15bf727d4bc19dec",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "53a067701a6cad3439c33b072a73604f15d3e6173e387c3d88ab267356c8600f",
            "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": "2026-10-30T21:45:31Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1401300\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Taśmy, linki i holdery.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401300\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:53:00Z\", \"notice_number\": \"1401300\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863474/tasmy-linki-i-holdery-\"}",
            "content_hash": "8c6c7a46bda7b88d94bb35e5cc0ac69e15cdaf29f61d81b1bc0d963a7a722d7b",
            "prev_hash": "53a067701a6cad3439c33b072a73604f15d3e6173e387c3d88ab267356c8600f",
            "hash": "2660f09d0b435a843b8b71112b99ea331a832361ef646319945374024cc618b6",
            "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": "2026-10-31T04:45:46Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1401300\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Taśmy, linki i holdery.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401300\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:53:00Z\", \"notice_number\": \"1401300\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401300\"}",
            "content_hash": "31a5778f6dfb634510e5159b5f8b294b8718c391e6b6d29978d5d8f0715eb8a3",
            "prev_hash": "2660f09d0b435a843b8b71112b99ea331a832361ef646319945374024cc618b6",
            "hash": "ca51f264ace23fe28640fd99dac879e070ad3a420db08abf19ce78792f6bc745",
            "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": 4,
            "recorded_at": "2026-10-31T10:45:52Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1401300\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Taśmy, linki i holdery.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401300\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:53:00Z\", \"notice_number\": \"1401300\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863474/tasmy-linki-i-holdery-\"}",
            "content_hash": "8c6c7a46bda7b88d94bb35e5cc0ac69e15cdaf29f61d81b1bc0d963a7a722d7b",
            "prev_hash": "ca51f264ace23fe28640fd99dac879e070ad3a420db08abf19ce78792f6bc745",
            "hash": "fd2c2e6623e145e395fe9877791d272fc1d888332be10fceba14728ef7911b73",
            "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": "2026-10-31T17:45:45Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1401300\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Taśmy, linki i holdery.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401300\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:53:00Z\", \"notice_number\": \"1401300\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401300\"}",
            "content_hash": "31a5778f6dfb634510e5159b5f8b294b8718c391e6b6d29978d5d8f0715eb8a3",
            "prev_hash": "fd2c2e6623e145e395fe9877791d272fc1d888332be10fceba14728ef7911b73",
            "hash": "8fa243149bd2e16b2e298fef7c66c2e95afb43bbb8fc077a879e7d2fa16b62ef",
            "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": "2026-11-01T00:45:18Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1401300\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Taśmy, linki i holdery.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401300\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:53:00Z\", \"notice_number\": \"1401300\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863474/tasmy-linki-i-holdery-\"}",
            "content_hash": "8c6c7a46bda7b88d94bb35e5cc0ac69e15cdaf29f61d81b1bc0d963a7a722d7b",
            "prev_hash": "8fa243149bd2e16b2e298fef7c66c2e95afb43bbb8fc077a879e7d2fa16b62ef",
            "hash": "caba243d624be91f9a508fb268627eb4b64606c2f903c6b83a21a3039a37fd86",
            "actor": null,
            "seal": null
        },
        {
            "version": 7,
            "recorded_at": "2026-11-01T06:45:23Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1401300\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Taśmy, linki i holdery.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401300\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:53:00Z\", \"notice_number\": \"1401300\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401300\"}",
            "content_hash": "31a5778f6dfb634510e5159b5f8b294b8718c391e6b6d29978d5d8f0715eb8a3",
            "prev_hash": "caba243d624be91f9a508fb268627eb4b64606c2f903c6b83a21a3039a37fd86",
            "hash": "72f61d89272ff164657d0ee3ec8d50d2978ee12b3f063754b90c1d30f829d0f4",
            "actor": null,
            "seal": null
        }
    ]
}