{
    "tender_id": 4222480,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-30T21:19:59Z",
            "content": "{\"cpv\": \"34114121\", \"url\": \"https://platformazakupowa.pl/transakcja/1401384\", \"buyer\": \"Powiat Przemyski\", \"title\": \"ZDP.IV.333-37/2026 „Zakup minibusa 4-drzwiowego”\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401384\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T21:20:00Z\", \"notice_number\": \"1401384\"}",
            "content_hash": "c377553896ad2eff72a970e503c4d2ac208c8fdfbd95c5787200cd94ffc1cc0a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "de66830bc1d0c12063dfc04fd713c25981387e6dc5dbfc6ab387b447e87d1fdd",
            "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": "2026-10-30T21:45:31Z",
            "content": "{\"cpv\": \"34114121\", \"url\": \"https://platformazakupowa.pl/transakcja/1401384\", \"buyer\": \"Powiat Przemyski\", \"title\": \"ZDP.IV.333-37/2026 „Zakup minibusa 4-drzwiowego”\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401384\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T21:20:00Z\", \"notice_number\": \"1401384\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401384\"}",
            "content_hash": "6acc8be5a3bf76535b9f40f86e04fa1ce4665ab9bb08768f8cb78ef39f7d7c0a",
            "prev_hash": "de66830bc1d0c12063dfc04fd713c25981387e6dc5dbfc6ab387b447e87d1fdd",
            "hash": "fab0c07d00f4e6bcb1bdc188609690b8dadc79ec9e87038b2c14b1b2cb45251d",
            "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": 3,
            "recorded_at": "2026-10-31T01:11:01Z",
            "content": "{\"cpv\": \"34114400\", \"url\": \"https://platformazakupowa.pl/transakcja/1401384\", \"buyer\": \"Powiat Przemyski\", \"title\": \"ZDP.IV.333-37/2026 „Zakup minibusa 4-drzwiowego”\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401384\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T23:00:00Z\", \"notice_number\": \"1401384\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401384\"}",
            "content_hash": "f742cacc3591ebc436d4604bcc4b14f816fedafed0827cd38bd455847194525b",
            "prev_hash": "fab0c07d00f4e6bcb1bdc188609690b8dadc79ec9e87038b2c14b1b2cb45251d",
            "hash": "89b419167f535c967f26673aefeadf109d278f4560d4953fc5b0b01e04024a72",
            "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
            }
        }
    ]
}