{
    "tender_id": 1059253,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"44160000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3820099/zakup-elementow-uszczelnienia-mechanicznego-do-mieszadel-ekato-esd42l100r3iv-hwl-2100-dla-pge-giek-s-a-oddzial-elektrownia\", \"buyer\": \"PGE GiEK SA\", \"title\": \"Zakup elementów uszczelnienia mechanicznego do mieszadeł EKATO ESD42L100R3IV HWL 2100 dla PGE GiEK S.A. Oddział Elektrownia Bełchatów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3820099\", \"deadline_at\": \"2026-10-28T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-09T23:41:00Z\"}",
            "content_hash": "fa1f179bf4c3417730bcff681bac6b999d5827c6db289c87bfb39b6c59d29887",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "53a695c4d9465c12beb46a60c13a26c06b9cb53631e50d14b32212e95aa6c345",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T04:50:14Z",
            "content": "{\"cpv\": \"44160000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3820099/zakup-elementow-uszczelnienia-mechanicznego-do-mieszadel-ekato-esd42l100r3iv-hwl-2100-dla-pge-giek-s-a-oddzial-elektrownia\", \"buyer\": \"PGE GiEK SA\", \"title\": \"Zakup elementów uszczelnienia mechanicznego do mieszadeł EKATO ESD42L100R3IV HWL 2100 dla PGE GiEK S.A. Oddział Elektrownia Bełchatów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3820099\", \"deadline_at\": \"2026-10-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-09T23:41:00Z\"}",
            "content_hash": "cdf588008a9fcc34ab4cc589bc75e9d7514b4f0297ab95ea5b78fa78405421cb",
            "prev_hash": "53a695c4d9465c12beb46a60c13a26c06b9cb53631e50d14b32212e95aa6c345",
            "hash": "1f50e531126ea75dad4956947faadfc3ca74112da72bac2782b0e10e8942444a",
            "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": "2026-10-30T22:08:49Z",
            "content": "{\"cpv\": \"44160000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3820099/zakup-elementow-uszczelnienia-mechanicznego-do-mieszadel-ekato-esd42l100r3iv-hwl-2100-dla-pge-giek-s-a-oddzial-elektrownia\", \"buyer\": \"PGE GiEK SA\", \"title\": \"Zakup elementów uszczelnienia mechanicznego do mieszadeł EKATO ESD42L100R3IV HWL 2100 dla PGE GiEK S.A. Oddział Elektrownia Bełchatów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3820099\", \"deadline_at\": \"2026-11-06T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-09T23:41:00Z\"}",
            "content_hash": "9d5d7661a01d051bdd374b0802cddca4fbaf6e4a7825b2a7e5622d8320b4dd1a",
            "prev_hash": "1f50e531126ea75dad4956947faadfc3ca74112da72bac2782b0e10e8942444a",
            "hash": "e980e0b57644fb42594a7208c164d1aba40d7324000c8049e1d889707c686171",
            "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
            }
        }
    ]
}