{
    "tender_id": 4073135,
    "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": "2026-10-30T03:36:43Z",
            "content": "{\"cpv\": \"09132100\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/755991-2026\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Lublinie Rejon Dróg Wojewódzkich we Włodawie\", \"title\": \"Polska – Benzyna bezołowiowa – RDW we Włodawie.Dostawa paliw w 2027 r.\", \"region\": \"lubelskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL814, POL, PL814, POL\", \"buyer_nip\": \"7122904545\", \"source_id\": \"755991-2026\", \"deadline_at\": \"2026-11-16T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-30T01:00:00Z\"}",
            "content_hash": "8fd8cfa47bce66fac236efacb1d6cc8a87761c9318792913a261ef350fe3485a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ca23c452f23f7121452e0f74792aab923ea786a3f86d3209fb2707b9aa81ff3e",
            "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": "2026-10-30T12:45:18Z",
            "content": "{\"cpv\": \"09132100\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/755991-2026\", \"buyer\": \"Zarząd Dróg Wojewódzkich w Lublinie Rejon Dróg Wojewódzkich we Włodawie\", \"title\": \"Polska – Benzyna bezołowiowa – RDW we Włodawie.Dostawa paliw w 2027 r.\", \"region\": \"lubelskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL814, POL, PL814, POL\", \"buyer_nip\": \"7122904545\", \"source_id\": \"755991-2026\", \"deadline_at\": \"2026-11-16T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-30T01:00:00Z\", \"procedure_url\": \"https://zdw-lublin.logintrade.net/zapytania_email,243896,0d3185756a548fd52f22dc50b557a3e6.html\"}",
            "content_hash": "8513c427042d18a112ad34ae906f6bbc16316abced3cdb83cbf1f4dd14e79788",
            "prev_hash": "ca23c452f23f7121452e0f74792aab923ea786a3f86d3209fb2707b9aa81ff3e",
            "hash": "397f8abad5608f390aa7295342633d394debdccad8754d21fda7366cfb80a3e4",
            "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
            }
        }
    ]
}