{
    "tender_id": 5046888,
    "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": "2026-11-03T20:38:42Z",
            "content": "{\"cpv\": \"31682530\", \"url\": \"https://platformazakupowa.pl/transakcja/1401759\", \"buyer\": \"Samodzielny Publiczny Zespół Zakładów Opieki Zdrowotnej w Pruszkowie\", \"title\": \"ZP.272.24.2026 Zakup i dostawa urządzeń UPS\", \"region\": \"mazowieckie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401759\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T09:38:00Z\", \"notice_number\": \"1401759\"}",
            "content_hash": "2aa2e02c94a88984b3e5e1084befb293ade0970184e3feb68be14f957916d23d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2f165ffb2614e0e71e7ced362c5dfc0c9f7eddde054fb2d20dba053470c74597",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T20:45:28Z",
            "content": "{\"cpv\": \"31682530\", \"url\": \"https://platformazakupowa.pl/transakcja/1401759\", \"buyer\": \"Samodzielny Publiczny Zespół Zakładów Opieki Zdrowotnej w Pruszkowie\", \"title\": \"ZP.272.24.2026 Zakup i dostawa urządzeń UPS\", \"region\": \"mazowieckie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401759\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T09:38:00Z\", \"notice_number\": \"1401759\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401759\"}",
            "content_hash": "810e5a1920fafc56f36fff2215f9e1eb8b9a06ab18e2c3ade9c81f740d9744d0",
            "prev_hash": "2f165ffb2614e0e71e7ced362c5dfc0c9f7eddde054fb2d20dba053470c74597",
            "hash": "042480346b46392ad5ff8a7aba6e3d67f00d069c83412e95a2372baa83666200",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}