{
    "tender_id": 5414107,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-11-05T12:35:00Z",
            "content": "{\"cpv\": \"34600000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128963\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: CZĘŚCI DO WAGONU\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128963\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T10:01:00Z\"}",
            "content_hash": "04aca45a9062a3a9b773c548a47250a5b6facd2555f99a6a1db85da9a9118c24",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d17b5fd9cd0545727cbc08c9c69e41279e8ecf31a3d8728499696bdc5b93c232",
            "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": "2026-11-05T12:45:50Z",
            "content": "{\"cpv\": \"34600000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128963\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: CZĘŚCI DO WAGONU\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128963\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T10:01:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128963\"}",
            "content_hash": "b6d0c3e260e1b7d302550c1169c7485a7ab017b3694ff7f987174c0bd0e76719",
            "prev_hash": "d17b5fd9cd0545727cbc08c9c69e41279e8ecf31a3d8728499696bdc5b93c232",
            "hash": "d690a34f11a0349afd8df30016f65bb8609763bfd75b28941d478ec08a970141",
            "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": "2026-11-05T18:45:45Z",
            "content": "{\"cpv\": \"34600000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128963\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: CZĘŚCI DO WAGONU\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128963\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T10:01:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875977/dostawa-czesci-do-wagonu\"}",
            "content_hash": "747a7377b5cadbbebacdf15d66726c2add282ef0f763fde0cdfa4c92e3302bb1",
            "prev_hash": "d690a34f11a0349afd8df30016f65bb8609763bfd75b28941d478ec08a970141",
            "hash": "58ae1a99226efb2bc1cdf62cafe69fb2a935a2f79183a1977a80dca867e342a2",
            "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": 4,
            "recorded_at": "2026-11-08T08:45:26Z",
            "content": "{\"cpv\": \"34600000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128963\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: CZĘŚCI DO WAGONU\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128963\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T10:01:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128963\"}",
            "content_hash": "b6d0c3e260e1b7d302550c1169c7485a7ab017b3694ff7f987174c0bd0e76719",
            "prev_hash": "58ae1a99226efb2bc1cdf62cafe69fb2a935a2f79183a1977a80dca867e342a2",
            "hash": "2aa18d730af6d61b653d4215a449778d4b51edced7cee777b3db9a128c4cffd4",
            "actor": null,
            "seal": null
        }
    ]
}