{
    "tender_id": 3341075,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-26T07:07:20Z",
            "content": "{\"cpv\": \"90600000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853024/utrzymanie-czystosci-i-porzadku-na-terenie-gminy-miejskiej-ciechocinek-od-01-01-2027-r-do-31-12-2027-r-\", \"buyer\": \"GMINA MIEJSKA CIECHOCINEK\", \"title\": \"Utrzymanie czystości i porządku na terenie Gminy Miejskiej Ciechocinek od 01.01.2027 r. do 31.12.2027 r.\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3853024\", \"deadline_at\": \"2026-11-26T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T07:07:21Z\"}",
            "content_hash": "9ecc42f2b5a8a9f42a8001d5d0ccc66f762a9b8124715f500fff0b4306584c87",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "cb05db24a92d103cf8e0ac16ba98e219aa61ac4ab7964965246704792a60f7c7",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T07:36:08Z",
            "content": "{\"cpv\": \"90600000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853024/utrzymanie-czystosci-i-porzadku-na-terenie-gminy-miejskiej-ciechocinek-od-01-01-2027-r-do-31-12-2027-r-\", \"buyer\": \"GMINA MIEJSKA CIECHOCINEK\", \"title\": \"Utrzymanie czystości i porządku na terenie Gminy Miejskiej Ciechocinek od 01.01.2027 r. do 31.12.2027 r.\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3853024\", \"deadline_at\": \"2026-11-26T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T07:07:21Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/734664-2026\"}",
            "content_hash": "01a1017d88478323332375f788758cf8d690fd51e87317b33ca4d3f025c8c12c",
            "prev_hash": "cb05db24a92d103cf8e0ac16ba98e219aa61ac4ab7964965246704792a60f7c7",
            "hash": "93360114c0bf8ce7b70f1a861107eb080e99b9f91f8872a121a6dfef3c4f0922",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-26T23:36:18Z",
            "content": "{\"cpv\": \"90600000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853024/utrzymanie-czystosci-i-porzadku-na-terenie-gminy-miejskiej-ciechocinek-od-01-01-2027-r-do-31-12-2027-r-\", \"buyer\": \"GMINA MIEJSKA CIECHOCINEK\", \"title\": \"Utrzymanie czystości i porządku na terenie Gminy Miejskiej Ciechocinek od 01.01.2027 r. do 31.12.2027 r.\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3853024\", \"deadline_at\": \"2026-11-26T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T07:07:21Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853024/utrzymanie-czystosci-i-porzadku-na-terenie-gminy-miejskiej-ciechocinek-od-01-01-2027-r-do-31-12-2027-r-\"}",
            "content_hash": "e0eaba96b9f45df223772dd28534e749bbb301d41a5b0372536e4b751570e52e",
            "prev_hash": "93360114c0bf8ce7b70f1a861107eb080e99b9f91f8872a121a6dfef3c4f0922",
            "hash": "5697e089b0f37bd797193f3244d3568fcd1819c80c90dbd3d915f5ef45c41b30",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-27T11:33:45Z",
            "content": "{\"cpv\": \"90600000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853024/utrzymanie-czystosci-i-porzadku-na-terenie-gminy-miejskiej-ciechocinek-od-01-01-2027-r-do-31-12-2027-r-\", \"buyer\": \"GMINA MIEJSKA CIECHOCINEK\", \"title\": \"Utrzymanie czystości i porządku na terenie Gminy Miejskiej Ciechocinek od 01.01.2027 r. do 31.12.2027 r.\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3853024\", \"deadline_at\": \"2026-11-26T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T07:07:21Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/734664-2026\"}",
            "content_hash": "01a1017d88478323332375f788758cf8d690fd51e87317b33ca4d3f025c8c12c",
            "prev_hash": "5697e089b0f37bd797193f3244d3568fcd1819c80c90dbd3d915f5ef45c41b30",
            "hash": "b2147c147ac81c52d58b2deb6b1154f54bfdfde1e31e9ab93eaa18662ec12acd",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}