{
    "tender_id": 4120662,
    "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": "2026-10-30T10:11:26Z",
            "content": "{\"cpv\": \"45246400\", \"url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/446017/naprawa-regulatorow-urzadzenia-przeciwposlizgowego-h12e5a-1\", \"buyer\": \"PKP INTERCITY S.A.\", \"title\": \"Naprawa regulatorów urządzenia przeciwpoślizgowego H12E5A.\", \"source\": \"pkpintercity_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"446017\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:30:00Z\"}",
            "content_hash": "636681bd9cee7255dd6c0feb2815921c76f006d67bc949c6d67b48653b5372d7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "500df669dd63d8dc05afa4166b209a0b71d4dcd3ce268f2c9a0e6659cae8d0d8",
            "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": "2026-10-31T10:46:10Z",
            "content": "{\"cpv\": \"45246400\", \"url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/446017/naprawa-regulatorow-urzadzenia-przeciwposlizgowego-h12e5a-1\", \"buyer\": \"PKP INTERCITY S.A.\", \"title\": \"Naprawa regulatorów urządzenia przeciwpoślizgowego H12E5A.\", \"source\": \"pkpintercity_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"446017\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T09:30:00Z\", \"procedure_url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/446017/naprawa-regulatorow-urzadzenia-przeciwposlizgowego-h12e5a-1\"}",
            "content_hash": "dab7e862528dd7a700137ab55c4eae24a4b08b03f6fdef45ce2aa26cb256d9a4",
            "prev_hash": "500df669dd63d8dc05afa4166b209a0b71d4dcd3ce268f2c9a0e6659cae8d0d8",
            "hash": "a6947f6c7d6949cfc2363ed98860176376acbb1a6e14e005409ff2875bd61fb6",
            "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
            }
        }
    ]
}