{
    "tender_id": 4754066,
    "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": "2026-11-02T09:53:59Z",
            "content": "{\"cpv\": \"50530000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536459/naprawa-dwoch-wideoendoskopow-typ-mentor-visual-iq-prod-ge-inspection-technologies\", \"buyer\": \"URZĄD DOZORU TECHNICZNEGO\", \"title\": \"Naprawa dwóch wideoendoskopów typ MENTOR VISUAL iQ, prod. GE INSPECTION TECHNOLOGIES.\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536459\", \"deadline_at\": \"2026-11-05T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T07:00:00Z\"}",
            "content_hash": "ac21e5361ace4d9697b436033e09955b2d7ce7228ac8a3a94fd6e2ac681175d5",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5756dfed389ff601cd250d39532dcdb0067e3b00423da825d0a28ce63aee2ab7",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T10:45:28Z",
            "content": "{\"cpv\": \"50530000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536459/naprawa-dwoch-wideoendoskopow-typ-mentor-visual-iq-prod-ge-inspection-technologies\", \"buyer\": \"URZĄD DOZORU TECHNICZNEGO\", \"title\": \"Naprawa dwóch wideoendoskopów typ MENTOR VISUAL iQ, prod. GE INSPECTION TECHNOLOGIES.\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536459\", \"deadline_at\": \"2026-11-05T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T07:00:00Z\", \"procedure_url\": \"https://udt.eb2b.com.pl/open-preview-auction.html/536459/naprawa-dwoch-wideoendoskopow-typ-mentor-visual-iq-prod-ge-inspection-technologies\"}",
            "content_hash": "700ea1627bd0d4ea82ad702141aa3e8844cb501b62398420a53b2d8c19b5906e",
            "prev_hash": "5756dfed389ff601cd250d39532dcdb0067e3b00423da825d0a28ce63aee2ab7",
            "hash": "4611f77dd0b1f16b8feac0dc75b3d57376c2a1a8f8748ef688e1e97872b4e45a",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}