{
    "tender_id": 5468998,
    "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": "2026-11-05T20:19:55Z",
            "content": "{\"url\": \"https://perla.logintrade.net/portal,szczegolyZapytaniaOfertowe,d2ca7c86c06389e21a9dadcc4d6ac4fe.html\", \"buyer\": \"Perła - Browary Lubelskie S.A.\", \"title\": \"Serwis hydrauliczny w apartamentach i restauracji Perła Browary Lubelskie S.A.\", \"region\": \"lubelskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"lubelskie\", \"source_id\": \"perla-d2ca7c86c06389e21a9dadcc4d6ac4fe\", \"deadline_at\": \"2026-11-16T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T09:29:00Z\"}",
            "content_hash": "bddb4404ec0ad54d29b10da8092ef0b32e06984e7ab98508149451b2398d0f72",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "bf0f222e5e9fc5fc95338447cc2882013bdfd6ad73e95146453fde55919d5145",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T22:53:13Z",
            "content": "{\"cpv\": \"55100000\", \"url\": \"https://perla.logintrade.net/portal,szczegolyZapytaniaOfertowe,d2ca7c86c06389e21a9dadcc4d6ac4fe.html\", \"buyer\": \"Perła - Browary Lubelskie S.A.\", \"title\": \"Serwis hydrauliczny w apartamentach i restauracji Perła Browary Lubelskie S.A.\", \"region\": \"lubelskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"lubelskie\", \"source_id\": \"perla-d2ca7c86c06389e21a9dadcc4d6ac4fe\", \"deadline_at\": \"2026-11-16T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T09:29:00Z\"}",
            "content_hash": "4f7a8c67a47d0531b382f4c905db392136b8cb275bc09eae164a59f935b76d6c",
            "prev_hash": "bf0f222e5e9fc5fc95338447cc2882013bdfd6ad73e95146453fde55919d5145",
            "hash": "8d20f16c27cff2e4446de12902ed386a01a6df3431b8ba1242542321daa35dc5",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-06T01:38:24Z",
            "content": "{\"cpv\": \"55100000\", \"url\": \"https://perla.logintrade.net/portal,szczegolyZapytaniaOfertowe,d2ca7c86c06389e21a9dadcc4d6ac4fe.html\", \"buyer\": \"Perła - Browary Lubelskie S.A\", \"title\": \"Serwis hydrauliczny\", \"region\": \"lubelskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"perla-d2ca7c86c06389e21a9dadcc4d6ac4fe\", \"deadline_at\": \"2026-11-16T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:30:00Z\"}",
            "content_hash": "dc0dc9551b4857b730492ade722c62c46c4500048d26426d0d51c0647ac8112c",
            "prev_hash": "8d20f16c27cff2e4446de12902ed386a01a6df3431b8ba1242542321daa35dc5",
            "hash": "5d8e01808bfe40c0e3ab883e292dee53407c64c5a8f51051efa2b109172efb30",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        }
    ]
}