{
    "tender_id": 3973229,
    "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": "2026-10-29T15:18:15Z",
            "content": "{\"url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241035/details\", \"buyer\": \"Śląskie Centrum Chorób Serca w Zabrzu\", \"title\": \"DOSTAWA NAWILŻACZY ODDECHOWYCH\", \"region\": \"slaskie\", \"source\": \"sccszabrze_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241035\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-29T12:55:00Z\"}",
            "content_hash": "f19ab4837c05624de73ef9cca5caad78dad2264300cccebf6ec7390232234dd3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5a2b71d608c2b0e16f19e9bca67281091359fe709a17348064d7945346697851",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T19:46:02Z",
            "content": "{\"url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241035/details\", \"buyer\": \"Śląskie Centrum Chorób Serca w Zabrzu\", \"title\": \"DOSTAWA NAWILŻACZY ODDECHOWYCH\", \"region\": \"slaskie\", \"source\": \"sccszabrze_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241035\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-29T12:55:00Z\", \"procedure_url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241035/details\"}",
            "content_hash": "a381c896c76c02ace391753e978073549400f0e8ab9b98e6c9e7082d57765eab",
            "prev_hash": "5a2b71d608c2b0e16f19e9bca67281091359fe709a17348064d7945346697851",
            "hash": "33e21c94b111232d14db187cbc933f63518f43d242deb8e0f29c65d74e2ab33e",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-30T19:30:24Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241035/details\", \"buyer\": \"Śląskie Centrum Chorób Serca w Zabrzu\", \"title\": \"DOSTAWA NAWILŻACZY ODDECHOWYCH\", \"region\": \"slaskie\", \"source\": \"sccszabrze_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241035\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Postępowanie wyłączone z PZP\", \"published_at\": \"2026-10-29T12:55:00Z\", \"procedure_url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241035/details\"}",
            "content_hash": "6a2d251bb587ecaf33d626a0a7690d9fe396bc62ba5b5fcbd59f3b769158901f",
            "prev_hash": "33e21c94b111232d14db187cbc933f63518f43d242deb8e0f29c65d74e2ab33e",
            "hash": "dbead4588c1fecb2049acc20a073795e48c4cae9da456e1078937e552e44fd7b",
            "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
            }
        }
    ]
}