{
    "tender_id": 4020378,
    "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": "2026-10-29T19:34:30Z",
            "content": "{\"cpv\": \"33696500\", \"url\": \"https://platformazakupowa.pl/transakcja/1400553\", \"buyer\": \"Szpital Powiatu Bytowskiego Sp. z o.o.\", \"title\": \"ZP32/L/5/2026 Dostawa odczynników oraz materiałów kontrolnych, zużywalnych i eksploatacyjnych do badań hematologicznych wraz z dzierżawą analizatora ZP32/L/5/2026\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400553\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T19:34:31Z\", \"notice_number\": \"1400553\"}",
            "content_hash": "a97dbb75380d4becdb1598ed07aa6bf1029efb549b54f024c7c68c20f1a71b96",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e1ddbc6102f904a522d59b199e1b124cbb4c22b18de25eb5750930a30393d8d2",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T19:46:00Z",
            "content": "{\"cpv\": \"33696500\", \"url\": \"https://platformazakupowa.pl/transakcja/1400553\", \"buyer\": \"Szpital Powiatu Bytowskiego Sp. z o.o.\", \"title\": \"ZP32/L/5/2026 Dostawa odczynników oraz materiałów kontrolnych, zużywalnych i eksploatacyjnych do badań hematologicznych wraz z dzierżawą analizatora ZP32/L/5/2026\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400553\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T19:34:31Z\", \"notice_number\": \"1400553\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400553\"}",
            "content_hash": "b29b8423c2f50fdcfa844a867ef8b38d497f12dce4a6e3cfc5fa4015dbe64510",
            "prev_hash": "e1ddbc6102f904a522d59b199e1b124cbb4c22b18de25eb5750930a30393d8d2",
            "hash": "2c187c3d2f5744bc1591fd54644f69e5536a6de2cb1f417875e473c86685594f",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T23:40:19Z",
            "content": "{\"cpv\": \"38434570\", \"url\": \"https://platformazakupowa.pl/transakcja/1400553\", \"buyer\": \"Szpital Powiatu Bytowskiego Sp. z o.o.\", \"title\": \"ZP32/L/5/2026 Dostawa odczynników oraz materiałów kontrolnych, zużywalnych i eksploatacyjnych do badań hematologicznych wraz z dzierżawą analizatora ZP32/L/5/2026\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"33696500\"], \"location\": \"Polska\", \"source_id\": \"1400553\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T11:31:00Z\", \"notice_number\": \"1400553\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400553\"}",
            "content_hash": "15e2a443211ba481f57f2862ab99d29dad1356438b5c01555b2089ff18c366f0",
            "prev_hash": "2c187c3d2f5744bc1591fd54644f69e5536a6de2cb1f417875e473c86685594f",
            "hash": "d690b2b47c511b881a0e59ad975d767de0e34f0aaacf58f346ff98eaac85f07e",
            "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
            }
        }
    ]
}