{
    "tender_id": 4335019,
    "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": "2026-10-31T12:10:55Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051185401_Swiadczenie-uslug-pocztowych-i-kurierskich-dla-Urzedu-Miasta-w-Jasle_2026_2.html\", \"buyer\": \"Miasto Jasło\", \"title\": \"Świadczenie usług pocztowych i kurierskich dla Urzędu Miasta w Jaśle\", \"region\": \"podkarpackie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Jasło\", \"source_id\": \"20051185401\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\"}",
            "content_hash": "0443646960a4a3cec8c78622cec5826240aa90f76568c6f26fca54ff903c3483",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "41f8f927fa73f63fca174189f010b0d172e62ae6035298b6ae3586ad1d607a2b",
            "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": "2026-10-31T12:45:31Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051185401_Swiadczenie-uslug-pocztowych-i-kurierskich-dla-Urzedu-Miasta-w-Jasle_2026_2.html\", \"buyer\": \"Miasto Jasło\", \"title\": \"Świadczenie usług pocztowych i kurierskich dla Urzędu Miasta w Jaśle\", \"region\": \"podkarpackie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Jasło\", \"source_id\": \"20051185401\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://um-jaslo.logintrade.net/zapytania_email,243711,430cb637db72c44be6f4af64c6085008.html\"}",
            "content_hash": "993549dc1c7ae5783106838fefcd23080bd698f257090274713983a28ae92fa2",
            "prev_hash": "41f8f927fa73f63fca174189f010b0d172e62ae6035298b6ae3586ad1d607a2b",
            "hash": "4f2352e4864f2b1aca7355e86565685fb8e8f2a1f6588c63a79e779ecc18dac8",
            "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
            }
        }
    ]
}