{
    "tender_id": 1032575,
    "check": {
        "ok": true,
        "versions": 4,
        "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\": \"79300000\", \"url\": \"https://parp.eb2b.com.pl/open-preview-auction.html/532116/ewaluacja-wybranych-instrumentow-wsparcia-parp-w-ramach-fepw-2027-2029\", \"buyer\": \"POLSKA AGENCJA ROZWOJU PRZEDSIĘBIORCZOŚCI\", \"title\": \"Ewaluacja wybranych instrumentów wsparcia PARP w ramach FEPW 2027-2029\", \"source\": \"parp_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"532116\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-01T09:45:00Z\", \"procedure_url\": \"https://parp.eb2b.com.pl/open-preview-auction.html/532116/ewaluacja-wybranych-instrumentow-wsparcia-parp-w-ramach-fepw-2027-2029\"}",
            "content_hash": "a4ca942b501f28d6312cd453be1d201082b2f1f1f26177ea5903b1e5ddd47e93",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "957cc942b93b83df14869528013136cdd191583d8d00d3cb4e050ca81181e998",
            "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": "2026-10-25T23:35:58Z",
            "content": "{\"cpv\": \"79300000\", \"url\": \"https://parp.eb2b.com.pl/open-preview-auction.html/532116/ewaluacja-wybranych-instrumentow-wsparcia-parp-w-ramach-fepw-2027-2029\", \"buyer\": \"POLSKA AGENCJA ROZWOJU PRZEDSIĘBIORCZOŚCI\", \"title\": \"Ewaluacja wybranych instrumentów wsparcia PARP w ramach FEPW 2027-2029\", \"source\": \"parp_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"532116\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-01T09:45:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/532116/ewaluacja-wybranych-instrumentow-wsparcia-parp-w-ramach-fepw-2027-2029\"}",
            "content_hash": "27c2ff6dcc2931ae32a872c91543d4b58d5ba58ac86d5b42f9b45373ee39ac15",
            "prev_hash": "957cc942b93b83df14869528013136cdd191583d8d00d3cb4e050ca81181e998",
            "hash": "ac790fc2d4db02ad70ab2b9b05154cef4592e86f37e9e40f2c6fa98c7d5f9a33",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-26T23:35:31Z",
            "content": "{\"cpv\": \"79300000\", \"url\": \"https://parp.eb2b.com.pl/open-preview-auction.html/532116/ewaluacja-wybranych-instrumentow-wsparcia-parp-w-ramach-fepw-2027-2029\", \"buyer\": \"POLSKA AGENCJA ROZWOJU PRZEDSIĘBIORCZOŚCI\", \"title\": \"Ewaluacja wybranych instrumentów wsparcia PARP w ramach FEPW 2027-2029\", \"source\": \"parp_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"532116\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-01T09:45:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3811442/ewaluacja-wybranych-instrumentow-wsparcia-parp-w-ramach-fepw-2027-2029\"}",
            "content_hash": "4eb5089f89ab852abda9779d10d8e603ac9f12eaad501fb2309c5e256a61e16d",
            "prev_hash": "ac790fc2d4db02ad70ab2b9b05154cef4592e86f37e9e40f2c6fa98c7d5f9a33",
            "hash": "46578f633fe2f87a9494f6fe79791785afea4621fb48e948b3dddae33a046778",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-27T11:34:10Z",
            "content": "{\"cpv\": \"79300000\", \"url\": \"https://parp.eb2b.com.pl/open-preview-auction.html/532116/ewaluacja-wybranych-instrumentow-wsparcia-parp-w-ramach-fepw-2027-2029\", \"buyer\": \"POLSKA AGENCJA ROZWOJU PRZEDSIĘBIORCZOŚCI\", \"title\": \"Ewaluacja wybranych instrumentów wsparcia PARP w ramach FEPW 2027-2029\", \"source\": \"parp_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"532116\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-01T09:45:00Z\", \"procedure_url\": \"https://parp.eb2b.com.pl/open-preview-auction.html/532116/ewaluacja-wybranych-instrumentow-wsparcia-parp-w-ramach-fepw-2027-2029\"}",
            "content_hash": "a4ca942b501f28d6312cd453be1d201082b2f1f1f26177ea5903b1e5ddd47e93",
            "prev_hash": "46578f633fe2f87a9494f6fe79791785afea4621fb48e948b3dddae33a046778",
            "hash": "07cd826cd3a1a22505ed76340121f4b4ff4661d359152ed828ac439da6049a0f",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}