{
    "tender_id": 5210609,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-11-04T15:04:07Z",
            "content": "{\"cpv\": \"50313000\", \"url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670462,d0b4efc716c9e9e841f4ed5c50e48083.html\", \"buyer\": \"Platformazakupowa\", \"title\": \"Zakup i dostawa skanera dokumentów Ricoh fi -730NX- 1szt\", \"region\": \"lubelskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"lubelskie\", \"source_id\": \"1670462-d0b4efc716c9e9e841f4ed5c50e48083\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T12:47:28Z\"}",
            "content_hash": "9fedb257cb142ba7e086c7f1dc0ae0cb869a0fdfd20b86c66b7143dc5273c3b7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "55216f8a853ff8a4d55721539d268075a75522ae34c8522595a19d54d209db95",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T15:33:33Z",
            "content": "{\"cpv\": \"50313000\", \"url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670462,d0b4efc716c9e9e841f4ed5c50e48083.html\", \"buyer\": \"Platformazakupowa\", \"title\": \"Zakup i dostawa skanera dokumentów Ricoh fi -730NX- 1szt\", \"region\": \"lubelskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"lubelskie\", \"source_id\": \"1670462-d0b4efc716c9e9e841f4ed5c50e48083\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T12:47:28Z\", \"procedure_url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670355,fe5137a777e1788d224d954e65909fe2.html\"}",
            "content_hash": "a9030c61dd38a9abb48cecd31630a29db8b5b52ce73e8ef83883997a77b7985b",
            "prev_hash": "55216f8a853ff8a4d55721539d268075a75522ae34c8522595a19d54d209db95",
            "hash": "a1413635259436e166acceb8b4ae64b6867c64be55b79a3ccf68d413dffa13f3",
            "actor": null,
            "seal": null
        }
    ]
}