{
    "tender_id": 3654626,
    "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": "2026-10-27T21:12:29Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://platformazakupowa.pl/transakcja/1397925\", \"buyer\": \"New Power Sp. z o.o.\", \"title\": \"IZPGN-XI.271.2.21.2026 ZAKUP ENERGII ELEKTRYCZNEJ NA POTRZEBY GMINY GDÓW I JEJ JEDNOSTEK ORGANIZACYJNYCH\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397925\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T21:12:30Z\", \"notice_number\": \"1397925\"}",
            "content_hash": "8baebf31cb7117a1ace45c5812e5170d1dfcf762abf0b1a5ca94ff008e5507b0",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "c28c754bd9c0f69cd3ab57e23f141dc2757c6347f803907a3f134d99c285ae95",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T23:32:45Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://platformazakupowa.pl/transakcja/1397925\", \"buyer\": \"New Power Sp. z o.o.\", \"title\": \"IZPGN-XI.271.2.21.2026 ZAKUP ENERGII ELEKTRYCZNEJ NA POTRZEBY GMINY GDÓW I JEJ JEDNOSTEK ORGANIZACYJNYCH\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397925\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T21:12:30Z\", \"notice_number\": \"1397925\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397925\"}",
            "content_hash": "0bd886ebdb62f73323b15824cfae0337b898450a3b2518978604f6a3c515f061",
            "prev_hash": "c28c754bd9c0f69cd3ab57e23f141dc2757c6347f803907a3f134d99c285ae95",
            "hash": "d7559778addb986e328677020552181175089853bc45cf3efab5b374910863fc",
            "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": 3,
            "recorded_at": "2026-10-28T00:39:10Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://platformazakupowa.pl/transakcja/1397925\", \"buyer\": \"New Power Sp. z o.o.\", \"title\": \"IZPGN-XI.271.2.21.2026 ZAKUP ENERGII ELEKTRYCZNEJ NA POTRZEBY GMINY GDÓW I JEJ JEDNOSTEK ORGANIZACYJNYCH\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397925\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T20:02:00Z\", \"notice_number\": \"1397925\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397925\"}",
            "content_hash": "e502dca304ea672ec76c1af04e00fef2aa3575f7a6eca674055079eb560f86a6",
            "prev_hash": "d7559778addb986e328677020552181175089853bc45cf3efab5b374910863fc",
            "hash": "309a659ca3988a28136fd2be9b36acaa10cb65c418a27a5230846e51a82d598c",
            "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
            }
        }
    ]
}