{
    "tender_id": 4222660,
    "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": "2026-10-30T21:21:20Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://platformazakupowa.pl/transakcja/1398988\", \"buyer\": \"Gmina Świecie\", \"title\": \"OR.271.42.2026 Budowa chodnika od drogi krajowej 240 do Terespola Pomorskiego wzdłuż drogi powiatowej – II postępowanie\", \"region\": \"kujawsko-pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1398988\", \"deadline_at\": \"2026-11-17T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T21:21:20Z\", \"notice_number\": \"1398988\"}",
            "content_hash": "a4dbe1bd1f7f97a47c531fd33be80d53fb73fac6776573af59c86a611528b05c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1eeb489467f6d5142ca8d195e03fd4576f91b4df333b83db3ea435018d79f7a7",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T21:45:31Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://platformazakupowa.pl/transakcja/1398988\", \"buyer\": \"Gmina Świecie\", \"title\": \"OR.271.42.2026 Budowa chodnika od drogi krajowej 240 do Terespola Pomorskiego wzdłuż drogi powiatowej – II postępowanie\", \"region\": \"kujawsko-pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1398988\", \"deadline_at\": \"2026-11-17T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T21:21:20Z\", \"notice_number\": \"1398988\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1398988\"}",
            "content_hash": "867d1704b52c1dc98961cbd83b83f4add6d961cafd9d851161bbc5dd7cad1461",
            "prev_hash": "1eeb489467f6d5142ca8d195e03fd4576f91b4df333b83db3ea435018d79f7a7",
            "hash": "d3ebd04092bfc01ff4b2ee817d835272525f9fe2ca2354242179b3c9350c7d52",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-31T01:29:39Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://platformazakupowa.pl/transakcja/1398988\", \"buyer\": \"Gmina Świecie\", \"title\": \"OR.271.42.2026 Budowa chodnika od drogi krajowej 240 do Terespola Pomorskiego wzdłuż drogi powiatowej – II postępowanie\", \"region\": \"kujawsko-pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1398988\", \"deadline_at\": \"2026-11-17T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T10:11:00Z\", \"notice_number\": \"1398988\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1398988\"}",
            "content_hash": "1a37cf98a3876b2ee2daf119c672062b9a620bec59768704135b02064724d097",
            "prev_hash": "d3ebd04092bfc01ff4b2ee817d835272525f9fe2ca2354242179b3c9350c7d52",
            "hash": "884e663e3c1216cc33b2110a301fc87fa44186d9ffd1c70a460a71d57ba195b4",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}