{
    "tender_id": 3881654,
    "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": "2026-10-29T04:27:21Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859199/waz-zlaczka-539-26\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O.\", \"title\": \"wąż,złączka/539/26\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859199\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:22Z\"}",
            "content_hash": "f901cb69b5a966f90e21814ddb060992950f22270604a3490e5f59fdabc20806",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a67230132625b82f8a2c4a91f014484b3f51d7210ddf9377bf4913afef476571",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T04:45:40Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859199/waz-zlaczka-539-26\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O.\", \"title\": \"wąż,złączka/539/26\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859199\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:22Z\", \"procedure_url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,d1b545c9821022b51922b4c8328132d6.html\"}",
            "content_hash": "5f138ec22e1287cd769c5f0000ab23cc101055906a4e2dbb40879138c4e93bac",
            "prev_hash": "a67230132625b82f8a2c4a91f014484b3f51d7210ddf9377bf4913afef476571",
            "hash": "83f1a212180d04ea229f5a0027be8f2bb02d96c19add0c8c2e3ea7a83a06520f",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T17:45:22Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859199/waz-zlaczka-539-26\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O.\", \"title\": \"wąż,złączka/539/26\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859199\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:22Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859199/waz-zlaczka-539-26\"}",
            "content_hash": "234b0b8f5413ac36886753f8fb300a1d3fde4d0605789044f19e7b1e4a598e94",
            "prev_hash": "83f1a212180d04ea229f5a0027be8f2bb02d96c19add0c8c2e3ea7a83a06520f",
            "hash": "13760123e972206c7fd34d3f1c170cba3bed392966500f4bae894c5f7202fbee",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-29T19:45:58Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859199/waz-zlaczka-539-26\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O.\", \"title\": \"wąż,złączka/539/26\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859199\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:22Z\", \"procedure_url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,d1b545c9821022b51922b4c8328132d6.html\"}",
            "content_hash": "5f138ec22e1287cd769c5f0000ab23cc101055906a4e2dbb40879138c4e93bac",
            "prev_hash": "13760123e972206c7fd34d3f1c170cba3bed392966500f4bae894c5f7202fbee",
            "hash": "fc6c82470886af4d313a075415e370a5e7a6db84c7f63f56af6075fc0527c339",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}