{
    "tender_id": 3810175,
    "check": {
        "ok": true,
        "versions": 9,
        "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": "2026-10-28T16:02:29Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\"}",
            "content_hash": "19069857c8603070ec3022a060bf4a360da4f2c0cf9d32248f350b55e315fa9d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e5ff38ca8068f2c492637f5055daf07276d5c12d28f42b8ee6e917343bae19e9",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T19:32:12Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\"}",
            "content_hash": "aece8dfd30d2433cd8cb0fa8cf6c4a4ddfa9f8c5e203733a8f2aca842c0357df",
            "prev_hash": "e5ff38ca8068f2c492637f5055daf07276d5c12d28f42b8ee6e917343bae19e9",
            "hash": "de6e16c38a2df4bcefbf2fb49da1c9071d687bdd50fc8dd5be5b0d5781b775b2",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-28T22:45:58Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399773\"}",
            "content_hash": "567e7d47abd11f591fdb7e42c355feb9362f2cd010979e56d01ede69332a2dde",
            "prev_hash": "de6e16c38a2df4bcefbf2fb49da1c9071d687bdd50fc8dd5be5b0d5781b775b2",
            "hash": "fc9794661881424d5b997697e035821cb5946481edca86c83025a2b4e049bef0",
            "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": 4,
            "recorded_at": "2026-10-29T05:45:31Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\"}",
            "content_hash": "aece8dfd30d2433cd8cb0fa8cf6c4a4ddfa9f8c5e203733a8f2aca842c0357df",
            "prev_hash": "fc9794661881424d5b997697e035821cb5946481edca86c83025a2b4e049bef0",
            "hash": "4f23cd4aac798bd2bc0e20d5e2c3656cb066543d3cac7f0077e2722c908fb870",
            "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": 5,
            "recorded_at": "2026-10-31T04:45:28Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399773\"}",
            "content_hash": "567e7d47abd11f591fdb7e42c355feb9362f2cd010979e56d01ede69332a2dde",
            "prev_hash": "4f23cd4aac798bd2bc0e20d5e2c3656cb066543d3cac7f0077e2722c908fb870",
            "hash": "fba0af80d115c4e2c26737a855f9afedac208573f440101c53befbde2b6f11f8",
            "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
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-31T10:45:56Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\"}",
            "content_hash": "aece8dfd30d2433cd8cb0fa8cf6c4a4ddfa9f8c5e203733a8f2aca842c0357df",
            "prev_hash": "fba0af80d115c4e2c26737a855f9afedac208573f440101c53befbde2b6f11f8",
            "hash": "29d9fa129dd5caa909591c7cbd777c00a2bc19f5dddefb748e14890c7ff298ec",
            "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
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-10-31T17:45:28Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399773\"}",
            "content_hash": "567e7d47abd11f591fdb7e42c355feb9362f2cd010979e56d01ede69332a2dde",
            "prev_hash": "29d9fa129dd5caa909591c7cbd777c00a2bc19f5dddefb748e14890c7ff298ec",
            "hash": "4cde2c2926f30ee6ff7ac5d53fd999b995f2da3aa26fa0b83c14e1da4596b697",
            "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
            }
        },
        {
            "version": 8,
            "recorded_at": "2026-11-01T00:45:48Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\"}",
            "content_hash": "aece8dfd30d2433cd8cb0fa8cf6c4a4ddfa9f8c5e203733a8f2aca842c0357df",
            "prev_hash": "4cde2c2926f30ee6ff7ac5d53fd999b995f2da3aa26fa0b83c14e1da4596b697",
            "hash": "a2a5176c455a72e87770063b4627916ae7f9e01454bfa9b60d445d1e058a1e49",
            "actor": null,
            "seal": null
        },
        {
            "version": 9,
            "recorded_at": "2026-11-01T06:45:39Z",
            "content": "{\"cpv\": \"39150000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858289/zakup-materialow-biurowych-dla-kp-katy-wroclawskie\", \"buyer\": \"KWP Wrocław\", \"title\": \"Zakup materiałów biurowych dla KP Kąty Wrocławskie\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858289\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:30Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399773\"}",
            "content_hash": "567e7d47abd11f591fdb7e42c355feb9362f2cd010979e56d01ede69332a2dde",
            "prev_hash": "a2a5176c455a72e87770063b4627916ae7f9e01454bfa9b60d445d1e058a1e49",
            "hash": "68de9eb0a02438928d66d7f5ac0f199e90317cddd220611e8ff121ef47320001",
            "actor": null,
            "seal": null
        }
    ]
}