{
    "tender_id": 4322770,
    "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": "2026-10-31T10:16:35Z",
            "content": "{\"cpv\": \"55100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864775/-swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-\", \"buyer\": \"Instytut Pamięci Narodowej Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu\", \"title\": \"„Świadczenie usług hotelarskich na potrzeby IPN”\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864775\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:36Z\"}",
            "content_hash": "7fff258cf28b42d4dc0267ec37e4a45454434e2f5adc210dc44abc84310962be",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2a0d4bee0cb1612bdefef883e0e164c03649dfbdce702497681d634f1bc85cf3",
            "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": 2,
            "recorded_at": "2026-10-31T10:45:41Z",
            "content": "{\"cpv\": \"55100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864775/-swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-\", \"buyer\": \"Instytut Pamięci Narodowej Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu\", \"title\": \"„Świadczenie usług hotelarskich na potrzeby IPN”\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864775\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:36Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863799/swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-bag-81-26\"}",
            "content_hash": "ee21d37d59ccb7a2c1772c8a296b7d09e2497fd3549308b37895b521de67ee8e",
            "prev_hash": "2a0d4bee0cb1612bdefef883e0e164c03649dfbdce702497681d634f1bc85cf3",
            "hash": "c56173ba24f6c69119ef9f5ca2bc954c52e8735b6f684ba098d155b4a57a8361",
            "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": 3,
            "recorded_at": "2026-10-31T17:45:16Z",
            "content": "{\"cpv\": \"55100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864775/-swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-\", \"buyer\": \"Instytut Pamięci Narodowej Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu\", \"title\": \"„Świadczenie usług hotelarskich na potrzeby IPN”\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864775\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:36Z\", \"procedure_url\": \"https://ipn.logintrade.net/zapytania_email,244170,b72822e8349505f829d9e8d5c31cbc0f.html\"}",
            "content_hash": "94f73b0e36d4a986cbd8030bbd0a180af8694e9327eb731d1837c7099304112d",
            "prev_hash": "c56173ba24f6c69119ef9f5ca2bc954c52e8735b6f684ba098d155b4a57a8361",
            "hash": "fd4defdcb8a4d1fc430390a83b9f41fb72303a3830b920923d497d06cb4b04e3",
            "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": "2026-11-01T00:45:22Z",
            "content": "{\"cpv\": \"55100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864775/-swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-\", \"buyer\": \"Instytut Pamięci Narodowej Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu\", \"title\": \"„Świadczenie usług hotelarskich na potrzeby IPN”\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864775\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:36Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863799/swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-bag-81-26\"}",
            "content_hash": "ee21d37d59ccb7a2c1772c8a296b7d09e2497fd3549308b37895b521de67ee8e",
            "prev_hash": "fd4defdcb8a4d1fc430390a83b9f41fb72303a3830b920923d497d06cb4b04e3",
            "hash": "cd6dfa0323d7e733acc87229e9455ebae35dd4d08ccd068b0cec853559f66406",
            "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": 5,
            "recorded_at": "2026-11-01T06:45:35Z",
            "content": "{\"cpv\": \"55100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864775/-swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-\", \"buyer\": \"Instytut Pamięci Narodowej Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu\", \"title\": \"„Świadczenie usług hotelarskich na potrzeby IPN”\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864775\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:36Z\", \"procedure_url\": \"https://ipn.logintrade.net/zapytania_email,244170,b72822e8349505f829d9e8d5c31cbc0f.html\"}",
            "content_hash": "94f73b0e36d4a986cbd8030bbd0a180af8694e9327eb731d1837c7099304112d",
            "prev_hash": "cd6dfa0323d7e733acc87229e9455ebae35dd4d08ccd068b0cec853559f66406",
            "hash": "e31a55ef5483b4dbc21c2896d5e470001a56308a952a2505e6f4e4b5ba50258a",
            "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": 6,
            "recorded_at": "2026-11-02T00:46:03Z",
            "content": "{\"cpv\": \"55110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864775/-swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-\", \"buyer\": \"Instytut Pamięci Narodowej Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu\", \"title\": \"„Świadczenie usług hotelarskich na potrzeby IPN”\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864775\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:36Z\", \"procedure_url\": \"https://ipn.logintrade.net/zapytania_email,244170,b72822e8349505f829d9e8d5c31cbc0f.html\"}",
            "content_hash": "d7bd863cfcceb6f61fd36332e142cd40bd2cacbd7deb594551e0ac59b2864191",
            "prev_hash": "e31a55ef5483b4dbc21c2896d5e470001a56308a952a2505e6f4e4b5ba50258a",
            "hash": "f4c2e2c626114c1a9d91b66d3fe351f96fa977b9e718c58413ee05738c8bc14f",
            "actor": null,
            "seal": null
        },
        {
            "version": 7,
            "recorded_at": "2026-11-02T01:45:31Z",
            "content": "{\"cpv\": \"55110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864775/-swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-\", \"buyer\": \"Instytut Pamięci Narodowej Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu\", \"title\": \"„Świadczenie usług hotelarskich na potrzeby IPN”\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864775\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:36Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863799/swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-bag-81-26\"}",
            "content_hash": "599ae6135a9f34f1a2fe3ff9d6e053dec5b0aac3521e1307c24743e1e43cf8b0",
            "prev_hash": "f4c2e2c626114c1a9d91b66d3fe351f96fa977b9e718c58413ee05738c8bc14f",
            "hash": "745d82b81472e26595416cad8bb66f6031076b301c0e665876392982ce0c2228",
            "actor": null,
            "seal": null
        },
        {
            "version": 8,
            "recorded_at": "2026-11-02T07:35:55Z",
            "content": "{\"cpv\": \"55110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864775/-swiadczenie-uslug-hotelarskich-na-potrzeby-ipn-\", \"buyer\": \"Instytut Pamięci Narodowej Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu\", \"title\": \"„Świadczenie usług hotelarskich na potrzeby IPN”\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864775\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:36Z\", \"procedure_url\": \"https://ipn.logintrade.net/zapytania_email,244170,b72822e8349505f829d9e8d5c31cbc0f.html\"}",
            "content_hash": "d7bd863cfcceb6f61fd36332e142cd40bd2cacbd7deb594551e0ac59b2864191",
            "prev_hash": "745d82b81472e26595416cad8bb66f6031076b301c0e665876392982ce0c2228",
            "hash": "cfca5839585e9bbc578be00b2ec73adc51ae5cb68647f09e9e0e47dd58070b23",
            "actor": null,
            "seal": null
        }
    ]
}