{
    "tender_id": 4334727,
    "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": "2026-10-31T12:10:20Z",
            "content": "{\"cpv\": \"71319000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051333001_Wykonanie-operatow-szacunkowych-czesc-IX-6-zadan_2026_2.html\", \"buyer\": \"Gmina Miasta Tarnowa - Urząd Miasta Tarnowa\", \"title\": \"Wykonanie operatów szacunkowych - część IX (6 zadań)\", \"region\": \"malopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Tarnów\", \"source_id\": \"20051333001\", \"deadline_at\": \"2026-11-09T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\"}",
            "content_hash": "f51aec6c4f884d644745ed0d9342c361ebd3e84a857adc0e81b9dd5c9b2c46cb",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d7853ca5a95a7d86177c30035c97d61d771a5c4a0b6b5191eb6f89d08a8a26fb",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T12:45:33Z",
            "content": "{\"cpv\": \"71319000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051333001_Wykonanie-operatow-szacunkowych-czesc-IX-6-zadan_2026_2.html\", \"buyer\": \"Gmina Miasta Tarnowa - Urząd Miasta Tarnowa\", \"title\": \"Wykonanie operatów szacunkowych - część IX (6 zadań)\", \"region\": \"malopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Tarnów\", \"source_id\": \"20051333001\", \"deadline_at\": \"2026-11-09T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400733\"}",
            "content_hash": "4db5c3cc1cb6a61819da8608fd42c5712852c20058110891b7f15ca3aa937638",
            "prev_hash": "d7853ca5a95a7d86177c30035c97d61d771a5c4a0b6b5191eb6f89d08a8a26fb",
            "hash": "910a7ed207deb99d2826ab5ce9a530c4bff94401aeb4240dbc15920b0797cb2e",
            "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
            }
        }
    ]
}