{
    "tender_id": 3858489,
    "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": "2026-10-29T02:06:38Z",
            "content": "{\"cpv\": \"09134000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/749746-2026\", \"buyer\": \"ZGOK Sp. z o.o. Rzędów\", \"title\": \"Polska – Oleje napędowe – „Dostawa oleju napędowego dla Zakładu Gospodarki Odpadami Komunalnymi Spółka z ograniczoną odpowiedzialnością w Rzędowie”\", \"region\": \"swietokrzyskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL721, POL, PL721, POL\", \"buyer_nip\": \"6551930910\", \"source_id\": \"749746-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\"}",
            "content_hash": "591f5486d8c8afc7b75d194f7c5d8cf7756484083928061fce5c5dcebdfac5d4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5db482de91fcad81b8cf9418d96e9535a10f9dc0b6d73c74ee09f408b5b0be21",
            "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": "2026-10-29T11:45:36Z",
            "content": "{\"cpv\": \"09134000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/749746-2026\", \"buyer\": \"ZGOK Sp. z o.o. Rzędów\", \"title\": \"Polska – Oleje napędowe – „Dostawa oleju napędowego dla Zakładu Gospodarki Odpadami Komunalnymi Spółka z ograniczoną odpowiedzialnością w Rzędowie”\", \"region\": \"swietokrzyskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL721, POL, PL721, POL\", \"buyer_nip\": \"6551930910\", \"source_id\": \"749746-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/749746-2026\"}",
            "content_hash": "a5b9b94767e67649cda92d6c12ca4329be2f9920e628ce81c4f3ac3f17a84ad8",
            "prev_hash": "5db482de91fcad81b8cf9418d96e9535a10f9dc0b6d73c74ee09f408b5b0be21",
            "hash": "10ed3f1f473f4a91f8923b4b0dc950c933cfa3669c354e6091cc944cef07313d",
            "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": "2026-10-29T19:46:05Z",
            "content": "{\"cpv\": \"09134000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/749746-2026\", \"buyer\": \"ZGOK Sp. z o.o. Rzędów\", \"title\": \"Polska – Oleje napędowe – „Dostawa oleju napędowego dla Zakładu Gospodarki Odpadami Komunalnymi Spółka z ograniczoną odpowiedzialnością w Rzędowie”\", \"region\": \"swietokrzyskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL721, POL, PL721, POL\", \"buyer_nip\": \"6551930910\", \"source_id\": \"749746-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400097\"}",
            "content_hash": "31cfb9c0c4223a247cbf470fee795ca6fb7c6d525ff5825cc6bef36bfabf39a7",
            "prev_hash": "10ed3f1f473f4a91f8923b4b0dc950c933cfa3669c354e6091cc944cef07313d",
            "hash": "def4322c8b563914d098a74a045d02dad949f70ba8bc50f8b5f76ac4f6b7c85b",
            "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
            }
        }
    ]
}