{
    "tender_id": 4222371,
    "check": {
        "ok": true,
        "versions": 10,
        "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": "2026-10-30T21:10:26Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\"}",
            "content_hash": "c0082b08c53046b7bc0f5f67b01e1fcad3aa66cfadff89cadf9d7c833a87a214",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f1c7bfa8fd8eadfcbc266cb556b4e91b9a5a62bf20e27c91ea65b62469efa60c",
            "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": "2026-10-30T21:45:32Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864088/druk-i-dostawa-ksiazki-katalog-zbiorow-malarstwa-nowe-nabytki-i-nowe-ustalenia-\"}",
            "content_hash": "4ca39aca08f7504075e777832ebe38ed719054261b858be96057c86de5222b57",
            "prev_hash": "f1c7bfa8fd8eadfcbc266cb556b4e91b9a5a62bf20e27c91ea65b62469efa60c",
            "hash": "6c85e603bbd1f5243a77dadfc5108d0429dbcd04ef55a9be266d860b4e8ccbed",
            "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": "2026-10-31T04:45:20Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401386\"}",
            "content_hash": "0beba2d5ec7dcaabf1f53ad0f7ba65d966c3f4e3fb29c0f6ad4c5921989b7c76",
            "prev_hash": "6c85e603bbd1f5243a77dadfc5108d0429dbcd04ef55a9be266d860b4e8ccbed",
            "hash": "b8754398ce8bc39c7a96cfcc8a9a11f193d7b008a5f4e14f1ace24b12a116c1c",
            "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": "2026-10-31T10:45:34Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864088/druk-i-dostawa-ksiazki-katalog-zbiorow-malarstwa-nowe-nabytki-i-nowe-ustalenia-\"}",
            "content_hash": "4ca39aca08f7504075e777832ebe38ed719054261b858be96057c86de5222b57",
            "prev_hash": "b8754398ce8bc39c7a96cfcc8a9a11f193d7b008a5f4e14f1ace24b12a116c1c",
            "hash": "85f668752dc99aa22f285855f1ca896cb752f4f1a6c71e8ea0faed734f60d0d0",
            "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": "2026-10-31T17:45:15Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401386\"}",
            "content_hash": "0beba2d5ec7dcaabf1f53ad0f7ba65d966c3f4e3fb29c0f6ad4c5921989b7c76",
            "prev_hash": "85f668752dc99aa22f285855f1ca896cb752f4f1a6c71e8ea0faed734f60d0d0",
            "hash": "9e116805091c3620ad6c82fed5872a43e03aaafa2dd309a9e887e87dc0eda7d0",
            "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": "2026-11-01T00:45:53Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864088/druk-i-dostawa-ksiazki-katalog-zbiorow-malarstwa-nowe-nabytki-i-nowe-ustalenia-\"}",
            "content_hash": "4ca39aca08f7504075e777832ebe38ed719054261b858be96057c86de5222b57",
            "prev_hash": "9e116805091c3620ad6c82fed5872a43e03aaafa2dd309a9e887e87dc0eda7d0",
            "hash": "5833d1b62e3f242409ce5e020236fd431e7b16ede34525d313c815c89904cee8",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-11-01T06:45:41Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401386\"}",
            "content_hash": "0beba2d5ec7dcaabf1f53ad0f7ba65d966c3f4e3fb29c0f6ad4c5921989b7c76",
            "prev_hash": "5833d1b62e3f242409ce5e020236fd431e7b16ede34525d313c815c89904cee8",
            "hash": "720e0eb15d5ed64ec9ce23273c9c55fc746b467ef7a0aeec1d3c4c288ee3e236",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 8,
            "recorded_at": "2026-11-02T01:45:33Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864088/druk-i-dostawa-ksiazki-katalog-zbiorow-malarstwa-nowe-nabytki-i-nowe-ustalenia-\"}",
            "content_hash": "4ca39aca08f7504075e777832ebe38ed719054261b858be96057c86de5222b57",
            "prev_hash": "720e0eb15d5ed64ec9ce23273c9c55fc746b467ef7a0aeec1d3c4c288ee3e236",
            "hash": "eb166bc4fdfae9825ae18c5119b48f8c072caab99103fc0fead721a6113240b7",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 9,
            "recorded_at": "2026-11-02T07:35:41Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401386\"}",
            "content_hash": "0beba2d5ec7dcaabf1f53ad0f7ba65d966c3f4e3fb29c0f6ad4c5921989b7c76",
            "prev_hash": "eb166bc4fdfae9825ae18c5119b48f8c072caab99103fc0fead721a6113240b7",
            "hash": "80e68b6232821abf955232f7906005e8ffa7a6737e6792613722c8bb0c8d64ca",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 10,
            "recorded_at": "2026-11-02T13:46:13Z",
            "content": "{\"cpv\": \"79823000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401386\", \"buyer\": \"Narodowe Muzeum Morskie w Gdańsku\", \"title\": \"NMM/Z-ZP/P.1322/2026 Druk i dostawa książki „Katalog zbiorów malarstwa – nowe nabytki i nowe ustalenia”\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401386\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"notice_number\": \"1401386\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864088/druk-i-dostawa-ksiazki-katalog-zbiorow-malarstwa-nowe-nabytki-i-nowe-ustalenia-\"}",
            "content_hash": "4ca39aca08f7504075e777832ebe38ed719054261b858be96057c86de5222b57",
            "prev_hash": "80e68b6232821abf955232f7906005e8ffa7a6737e6792613722c8bb0c8d64ca",
            "hash": "fa175ab231275879fbbca695e3aa8e91bd928507ec654c93ed886f6ce056e2e7",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}