{
    "tender_id": 4505948,
    "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": "2026-11-01T05:54:41Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\", \"buyer\": \"Mały Inżynier Ewa Bednarek\", \"title\": \"ZPGo/01/10/2026 pomoce\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865624\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-01T05:54:42Z\"}",
            "content_hash": "be3f2e080b621f9eaccf4c032c32733621c9ec03496a069eb03190039bcc65ba",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3c1d068bf3041d7f227990687694a6fcac3faa26938e161adec0966fff26f1be",
            "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": 2,
            "recorded_at": "2026-11-01T06:45:30Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\", \"buyer\": \"Mały Inżynier Ewa Bednarek\", \"title\": \"ZPGo/01/10/2026 pomoce\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865624\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-01T05:54:42Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296704\"}",
            "content_hash": "515183191a92ac2feea1a214979c6859a249952be0425e9310a89a5aa2ff2753",
            "prev_hash": "3c1d068bf3041d7f227990687694a6fcac3faa26938e161adec0966fff26f1be",
            "hash": "eaea89e18088df6a255dca23d5fd36681fe9981dc383afc5e1fba1d3e54115f1",
            "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": 3,
            "recorded_at": "2026-11-02T01:45:40Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\", \"buyer\": \"Mały Inżynier Ewa Bednarek\", \"title\": \"ZPGo/01/10/2026 pomoce\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865624\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-01T05:54:42Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\"}",
            "content_hash": "2c4a0ef8f28d77f44d8d80d1778e822313d8a45abf1852107df319bdb444dce3",
            "prev_hash": "eaea89e18088df6a255dca23d5fd36681fe9981dc383afc5e1fba1d3e54115f1",
            "hash": "6defa40444360d9f8b74ecc63102d168f668527608378896033e95a62ef67907",
            "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": 4,
            "recorded_at": "2026-11-02T07:35:49Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\", \"buyer\": \"Mały Inżynier Ewa Bednarek\", \"title\": \"ZPGo/01/10/2026 pomoce\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865624\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-01T05:54:42Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296704\"}",
            "content_hash": "515183191a92ac2feea1a214979c6859a249952be0425e9310a89a5aa2ff2753",
            "prev_hash": "6defa40444360d9f8b74ecc63102d168f668527608378896033e95a62ef67907",
            "hash": "641509c20ab4c9b93bb435f06b32d80f82c1491a6b2009d9f1b7311505f2939d",
            "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": 5,
            "recorded_at": "2026-11-02T13:46:12Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\", \"buyer\": \"Mały Inżynier Ewa Bednarek\", \"title\": \"ZPGo/01/10/2026 pomoce\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865624\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-01T05:54:42Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\"}",
            "content_hash": "2c4a0ef8f28d77f44d8d80d1778e822313d8a45abf1852107df319bdb444dce3",
            "prev_hash": "641509c20ab4c9b93bb435f06b32d80f82c1491a6b2009d9f1b7311505f2939d",
            "hash": "6f9bb77f3ec21c7015ec4df8eee863f6c42bd9aef7fddc1116b8ba4b90aa2d8c",
            "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": 6,
            "recorded_at": "2026-11-03T21:45:41Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\", \"buyer\": \"Mały Inżynier Ewa Bednarek\", \"title\": \"ZPGo/01/10/2026 pomoce\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865624\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-01T05:54:42Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296704\"}",
            "content_hash": "515183191a92ac2feea1a214979c6859a249952be0425e9310a89a5aa2ff2753",
            "prev_hash": "6f9bb77f3ec21c7015ec4df8eee863f6c42bd9aef7fddc1116b8ba4b90aa2d8c",
            "hash": "db325a8ab047b22f6117d67fdf194a44ef4c3705c11b5fb6fe51757b37d1166b",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-11-04T10:46:00Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\", \"buyer\": \"Mały Inżynier Ewa Bednarek\", \"title\": \"ZPGo/01/10/2026 pomoce\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865624\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-01T05:54:42Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865624/zpgo-01-10-2026-pomoce\"}",
            "content_hash": "2c4a0ef8f28d77f44d8d80d1778e822313d8a45abf1852107df319bdb444dce3",
            "prev_hash": "db325a8ab047b22f6117d67fdf194a44ef4c3705c11b5fb6fe51757b37d1166b",
            "hash": "54d920a8fbe414b642d231eae24c72c64b7eaecec6bc9b0b52d5a944e5f7d471",
            "actor": null,
            "seal": null
        }
    ]
}