{
    "tender_id": 4161371,
    "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": "2026-10-30T16:33:36Z",
            "content": "{\"cpv\": \"71248000\", \"url\": \"https://ezakupy.pkpcargo.com/open-preview-auction.html/105248/rfp-smar-gadus-rail-s3-eu-900kg\", \"buyer\": \"PKP CARGOTABOR SP. Z O.O. W RESTRUKTURYZACJI\", \"title\": \"RFP smar Gadus Rail S3 EU-900kg\", \"region\": \"opolskie\", \"source\": \"pkpcargo_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"OPOLSKIE\", \"source_id\": \"105248\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T13:00:00Z\"}",
            "content_hash": "a65b36098e5e62c159f06079450116bb3ddfa07522ca0a74a9cd494fd0177b28",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "71447bca2da518db52d238f7d8fc8468235b7db53de96e540410fcedd52715de",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T10:45:46Z",
            "content": "{\"cpv\": \"71248000\", \"url\": \"https://ezakupy.pkpcargo.com/open-preview-auction.html/105248/rfp-smar-gadus-rail-s3-eu-900kg\", \"buyer\": \"PKP CARGOTABOR SP. Z O.O. W RESTRUKTURYZACJI\", \"title\": \"RFP smar Gadus Rail S3 EU-900kg\", \"region\": \"opolskie\", \"source\": \"pkpcargo_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"OPOLSKIE\", \"source_id\": \"105248\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T13:00:00Z\", \"procedure_url\": \"https://ezakupy.pkpcargo.com/open-preview-auction.html/105248/rfp-smar-gadus-rail-s3-eu-900kg\"}",
            "content_hash": "cd65f8bbad65f0040c8927c64393c4030b84faa81c64465931c0191abacec3b6",
            "prev_hash": "71447bca2da518db52d238f7d8fc8468235b7db53de96e540410fcedd52715de",
            "hash": "475ce7b2a16ef607b9414b6fb0cdc1080e47b740a22c1425d683c9642354bc89",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}