{
    "tender_id": 3984014,
    "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": "2026-10-29T16:39:33Z",
            "content": "{\"cpv\": \"45453000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536232/remont-pustostanow-lokali-mieszkalnych-czesc-nr-1-nowolipki-12-m-77-czesc-nr-2-elektoralna-8-10-m-12-czesc-nr-3-koszykowa-70-m-12-1\", \"buyer\": \"ZGN ŚRÓDMIEŚCIE\", \"title\": \"Remont pustostanów lokali mieszkalnych: część nr 1: Nowolipki 12 m. 77 część nr 2: Elektoralna 8/10 m. 12 część nr 3: Koszykowa 70 m. 12\", \"region\": \"mazowieckie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAZOWIECKIE\", \"source_id\": \"536232\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T13:00:00Z\"}",
            "content_hash": "0903176427afd1fd9555eb85396799ed4baab27fb300b65eac449b31fc9877c5",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0898ce501833665a5dd81692472339dd9cea321ecb9a255584875416a79d84cf",
            "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": "2026-10-29T16:45:25Z",
            "content": "{\"cpv\": \"45453000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536232/remont-pustostanow-lokali-mieszkalnych-czesc-nr-1-nowolipki-12-m-77-czesc-nr-2-elektoralna-8-10-m-12-czesc-nr-3-koszykowa-70-m-12-1\", \"buyer\": \"ZGN ŚRÓDMIEŚCIE\", \"title\": \"Remont pustostanów lokali mieszkalnych: część nr 1: Nowolipki 12 m. 77 część nr 2: Elektoralna 8/10 m. 12 część nr 3: Koszykowa 70 m. 12\", \"region\": \"mazowieckie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAZOWIECKIE\", \"source_id\": \"536232\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T13:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536232/remont-pustostanow-lokali-mieszkalnych-czesc-nr-1-nowolipki-12-m-77-czesc-nr-2-elektoralna-8-10-m-12-czesc-nr-3-koszykowa-70-m-12-1\"}",
            "content_hash": "397a5bdf92c322f5e6231f7584707de982b85739a4506c6a316cb8d2fe14fae1",
            "prev_hash": "0898ce501833665a5dd81692472339dd9cea321ecb9a255584875416a79d84cf",
            "hash": "83428d81ed979123a1b168f899c4f133007d859ac6d8105f4a7e256239774e3d",
            "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": "2026-10-30T01:46:53Z",
            "content": "{\"cpv\": \"45453000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536232/remont-pustostanow-lokali-mieszkalnych-czesc-nr-1-nowolipki-12-m-77-czesc-nr-2-elektoralna-8-10-m-12-czesc-nr-3-koszykowa-70-m-12-1\", \"buyer\": \"ZAKŁAD GOSPODAROWANIA NIERUCHOMOŚCIAMI W DZIELNICY ŚRÓDMIEŚCIE M.ST. WARSZAWY\", \"title\": \"Remont pustostanów lokali mieszkalnych: część nr 1: Nowolipki 12 m. 77 część nr 2: Elektoralna 8/10 m. 12 część nr 3: Koszykowa 70 m. 12\", \"region\": \"mazowieckie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAZOWIECKIE\", \"source_id\": \"536232\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T13:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536232/remont-pustostanow-lokali-mieszkalnych-czesc-nr-1-nowolipki-12-m-77-czesc-nr-2-elektoralna-8-10-m-12-czesc-nr-3-koszykowa-70-m-12-1\"}",
            "content_hash": "ba9a7c99bd80db62e441f67fe9db7df9434e6e4ca58021b00acdcf3bc721c0d0",
            "prev_hash": "83428d81ed979123a1b168f899c4f133007d859ac6d8105f4a7e256239774e3d",
            "hash": "f0ab2d0bea7facd3c97e5ccf9205546a149523bab61696448aca5f9363106416",
            "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
            }
        }
    ]
}