{
    "tender_id": 4749238,
    "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": "2026-11-02T09:18:06Z",
            "content": "{\"cpv\": \"45214400\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38bc-b122-c8cf-e2d6-6b000120c1e8\", \"buyer\": \"POLITECHNIKA RZESZOWSKA IM.IGNACEGO ŁUKASIEWICZA\", \"title\": \"Modernizacja i rozbudowa Strefy Kultury Studenckiej (dawna Stołówka) Politechniki Rzeszowskiej - ETAP I\", \"region\": \"podkarpackie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Rzeszów, podkarpackie\", \"buyer_nip\": \"8130266999\", \"source_id\": \"2026/BZP 00515105/01\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T08:38:39Z\", \"notice_number\": \"2026/BZP 00515105/01\"}",
            "content_hash": "45f9ba2c09224033936490d9ab47147c7976dedc389951ab16281d42d8b18444",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "887b00189ccf6f0fc19c92d57e6dcb374e7c59bf92baa9b9ca5aa317d73dcda3",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T20:45:35Z",
            "content": "{\"cpv\": \"45214400\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38bc-b122-c8cf-e2d6-6b000120c1e8\", \"buyer\": \"POLITECHNIKA RZESZOWSKA IM.IGNACEGO ŁUKASIEWICZA\", \"title\": \"Modernizacja i rozbudowa Strefy Kultury Studenckiej (dawna Stołówka) Politechniki Rzeszowskiej - ETAP I\", \"region\": \"podkarpackie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Rzeszów, podkarpackie\", \"buyer_nip\": \"8130266999\", \"source_id\": \"2026/BZP 00515105/01\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T08:38:39Z\", \"notice_number\": \"2026/BZP 00515105/01\", \"procedure_url\": \"https://e-propublico.pl/Ogloszenia/Details/acd9bb2d-1b1d-42a8-9ab3-a65f9af5a124\"}",
            "content_hash": "40ae9e0b7ab80d1c6ca13f25fe5241a0a703bbe75c63ffd2c75c7583352eef46",
            "prev_hash": "887b00189ccf6f0fc19c92d57e6dcb374e7c59bf92baa9b9ca5aa317d73dcda3",
            "hash": "79f181d3ec3b0c2ff7cc81e92712aa408dc7c167011e128e41a72f85dd5b5c19",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}