{
    "tender_id": 3064270,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"39142000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/097463-2026\", \"buyer\": \"Awdurdod Parc Cenedlaethol Eryri\", \"title\": \"Wielka Brytania – High Quality Planters\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-0785c4\", \"deadline_at\": \"2026-11-09T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-15T12:08:47Z\", \"notice_number\": \"097463-2026\"}",
            "content_hash": "8b683a9c6c405f953b2f3cff618a52687e0b7132f02ddd4dbbdda283f80e6eba",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2d9347edc7e4f16749fd8d7fc02ab1ad12b56cf328c132181059b0903a383184",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-24T14:02:56Z",
            "content": "{\"cpv\": \"39142000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/097463-2026\", \"buyer\": \"Awdurdod Parc Cenedlaethol Eryri\", \"title\": \"Wielka Brytania – Wysokiej Jakości Donice\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-0785c4\", \"deadline_at\": \"2026-11-09T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-15T12:08:47Z\", \"notice_number\": \"097463-2026\"}",
            "content_hash": "4252556749f173cbf10e9af3712f7083c06b4224589d7c153082c8b39e68c8df",
            "prev_hash": "2d9347edc7e4f16749fd8d7fc02ab1ad12b56cf328c132181059b0903a383184",
            "hash": "6a7cff3c59b64da8535b0ad2a5221fa3bd62f2011054f09310fb6c2a34cea7ba",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}