{
    "tender_id": 3064215,
    "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\": \"38510000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/097804-2026\", \"buyer\": \"Heriot-Watt University\", \"title\": \"Wielka Brytania – Supply, Delivery, Installation and Commissioning of an Advanced Fluorescence Microscope System with Widefield, Confocal and Super-Resolution Imaging Capabilities\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKM75, Heriot-Watt University\\nRiccarton Campus\\nEdinburgh\\nEH14 4AS\", \"source_id\": \"ocds-h6vhtk-078937\", \"deadline_at\": \"2026-11-16T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-16T09:59:59Z\", \"notice_number\": \"097804-2026\"}",
            "content_hash": "6f3cc527a3d78c1761ed4689421a6fa5d28503231233a9ccccff08d9d93d97e8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2b6e32ce4da79ff4264c2eaafddce6af797a7ff8dac928df482ed6b51a087910",
            "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": "2026-10-24T14:02:36Z",
            "content": "{\"cpv\": \"38510000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/097804-2026\", \"buyer\": \"Heriot-Watt University\", \"title\": \"Wielka Brytania – Dostawa, Dostawa, Instalacja i Uruchomienie Zaawansowanego Systemu Mikroskopu Fluorescencyjnego z Możliwościami Obrazowania Widokowego, Konfokalnego i Superrozdzielczym\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKM75, Heriot-Watt University\\nRiccarton Campus\\nEdinburgh\\nEH14 4AS\", \"source_id\": \"ocds-h6vhtk-078937\", \"deadline_at\": \"2026-11-16T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-16T09:59:59Z\", \"notice_number\": \"097804-2026\"}",
            "content_hash": "b47c72865dc9bccb27f8a6ac257042bae088594f29194ac683399715273cf2a1",
            "prev_hash": "2b6e32ce4da79ff4264c2eaafddce6af797a7ff8dac928df482ed6b51a087910",
            "hash": "cdf0fce513bdf9696a8233979f47fd524276d8b4e3b260091d52bcd469ee721a",
            "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
            }
        }
    ]
}