{
    "tender_id": 3797926,
    "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": "2026-10-28T14:01:27Z",
            "content": "{\"cpv\": \"34144210\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127555\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Zakup akumulatorów dla TAURON Dystrybucja S.A (dostawa dla Regionu Gliwice Portowa 12c\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127555\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T10:22:00Z\"}",
            "content_hash": "9f190c0b6c140c800d39cd5e96305cc067cf986eccbc7aebdb504e8a7ac2c036",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "fb472e967354a91515fdd335c2471189a6d865aebfff5bafc4939b950286ac3b",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T14:45:21Z",
            "content": "{\"cpv\": \"34144210\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127555\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Zakup akumulatorów dla TAURON Dystrybucja S.A (dostawa dla Regionu Gliwice Portowa 12c\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127555\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T10:22:00Z\", \"procedure_url\": \"https://swoz.tauron.pl/platform/demand/notice/public/13070861/details\"}",
            "content_hash": "12c3fb39fb56bccddedc17eaa13be814e23845eac923e3b6a9a432b467ad0773",
            "prev_hash": "fb472e967354a91515fdd335c2471189a6d865aebfff5bafc4939b950286ac3b",
            "hash": "320d7c6bbcdbfb602bcb29fbf1fab58bd8aa818b601704a55180fa13313e0074",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}