{
    "tender_id": 5257669,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-04T21:13:43Z",
            "content": "{\"cpv\": \"73110000\", \"url\": \"https://pjpmakrum.logintrade.net/portal,szczegolyZapytaniaOfertowe,10db2de52f64c34cd72cd51aca2cdf16.html\", \"buyer\": \"PJP MAKRUM S.A.\", \"title\": \"Zakup FILTR POWROTNY MPF 1002 A62 P25\", \"region\": \"kujawsko-pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"KUJAWSKO-POMORSKIE\", \"source_id\": \"pjpmakrum-10db2de52f64c34cd72cd51aca2cdf16\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T07:16:00Z\"}",
            "content_hash": "f5f9ad96454b3c1499d63ed6c5f798d2ad46f10c661b7f9dad97e25010ea18e8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6478529ae223e510ab315ac27a5d3104f2c7129e8f62e8f292b334fb49e28390",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T00:17:48Z",
            "content": "{\"cpv\": \"73110000\", \"url\": \"https://pjpmakrum.logintrade.net/portal,szczegolyZapytaniaOfertowe,10db2de52f64c34cd72cd51aca2cdf16.html\", \"buyer\": \"PJP MAKRUM S.A\", \"title\": \"Zakup FILTR POWROTNY MPF 1002 A62 P25\", \"region\": \"kujawsko-pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"pjpmakrum-10db2de52f64c34cd72cd51aca2cdf16\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T12:13:00Z\"}",
            "content_hash": "a657e4c47d2cfe8461a041549e70cf7d955f2c6c018c1ef22a2cdcb63a3e1b80",
            "prev_hash": "6478529ae223e510ab315ac27a5d3104f2c7129e8f62e8f292b334fb49e28390",
            "hash": "73943569cd5a47d7467f704d6105e3787549fc721ec58c70216b5a6e95ca22a7",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-05T06:45:53Z",
            "content": "{\"cpv\": \"73110000\", \"url\": \"https://pjpmakrum.logintrade.net/portal,szczegolyZapytaniaOfertowe,10db2de52f64c34cd72cd51aca2cdf16.html\", \"buyer\": \"PJP MAKRUM S.A\", \"title\": \"Zakup FILTR POWROTNY MPF 1002 A62 P25\", \"region\": \"kujawsko-pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"pjpmakrum-10db2de52f64c34cd72cd51aca2cdf16\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T12:13:00Z\", \"procedure_url\": \"https://pjpmakrum.logintrade.net/portal,szczegolyZapytaniaOfertowe,10db2de52f64c34cd72cd51aca2cdf16.html\"}",
            "content_hash": "2e41f574887d5d6b7cc062c906f642f83a7133c3781146d21d551fd32b7398cc",
            "prev_hash": "73943569cd5a47d7467f704d6105e3787549fc721ec58c70216b5a6e95ca22a7",
            "hash": "97eecc72896331f0303ee615b047c02168a155251fc9723172a7ae8db86ff5a5",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        }
    ]
}