{
    "tender_id": 5452965,
    "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": "2026-11-05T17:45:36Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129120\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA SIŁOWNIKÓW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129120\", \"deadline_at\": \"2026-11-10T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:44:00Z\"}",
            "content_hash": "68b95bf2dc603abd9b0d479046a5cb02f3cfda6ed6c5c8d0ce1e751cf4324ab5",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7b2cee09aabe579495c80fc2ca54bc71a23b749d0cdbfc4b4a67a296dacb221d",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T20:46:01Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129120\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA SIŁOWNIKÓW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129120\", \"deadline_at\": \"2026-11-10T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:44:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129120\"}",
            "content_hash": "ff2fc087539bb872f0c9917d05ac2a663ceb8f28813c522ab4cd43840550ca46",
            "prev_hash": "7b2cee09aabe579495c80fc2ca54bc71a23b749d0cdbfc4b4a67a296dacb221d",
            "hash": "5b4f5bfe6845b18fc50af89e10c0db10502ba791916710ac7b1ca81a9759729b",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-07T11:46:38Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129120\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA SIŁOWNIKÓW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129120\", \"deadline_at\": \"2026-11-10T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:44:00Z\"}",
            "content_hash": "68b95bf2dc603abd9b0d479046a5cb02f3cfda6ed6c5c8d0ce1e751cf4324ab5",
            "prev_hash": "5b4f5bfe6845b18fc50af89e10c0db10502ba791916710ac7b1ca81a9759729b",
            "hash": "4ed1fbb034b3d074d1998cca815ffc3938857f31f15ba1e34431f2bd4d9e4600",
            "actor": null,
            "seal": {
                "id": 15,
                "digest": "f6c36eda82d4dc4a4cabf73097f0dd62e17d55fa4f2594c5f095c0de4855ff5a",
                "file": "https://tenderiq.pl/rejestr/pieczec-15.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-15.txt.ots",
                "bitcoin_block": 975002
            }
        }
    ]
}