{
    "tender_id": 4145029,
    "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": "2026-10-30T14:44:59Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/446024/odnowienie-14-rocznych-licencji-postman-professional-1\", \"buyer\": \"PKP INTERCITY S.A.\", \"title\": \"Odnowienie 14 rocznych licencji Postman Professional.\", \"source\": \"pkpintercity_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"446024\", \"deadline_at\": \"2026-11-09T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\"}",
            "content_hash": "e9e440820a64cb8067aaeadc43559e5ccb6537cbc6b495c2de18b287e662443c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "25f54de94c7dfe382af2b27c7415b1b14cbbd57f5678dc5f197b3066d7714005",
            "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": "2026-10-31T10:45:37Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/446024/odnowienie-14-rocznych-licencji-postman-professional-1\", \"buyer\": \"PKP INTERCITY S.A.\", \"title\": \"Odnowienie 14 rocznych licencji Postman Professional.\", \"source\": \"pkpintercity_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"446024\", \"deadline_at\": \"2026-11-09T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:30:00Z\", \"procedure_url\": \"https://pkpintercity.eb2b.com.pl/open-preview-auction.html/446024/odnowienie-14-rocznych-licencji-postman-professional-1\"}",
            "content_hash": "12122b3b87859d26b40ef0cece5a24bd87c06ba5337c51cea4a8be5e7eb2eb2d",
            "prev_hash": "25f54de94c7dfe382af2b27c7415b1b14cbbd57f5678dc5f197b3066d7714005",
            "hash": "92f95c655fe87e43cc16794685cbf0a0af6c45909dc437dac9e5f421cce860de",
            "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
            }
        }
    ]
}