{
    "tender_id": 3341077,
    "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": "2026-10-26T07:07:21Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853022/wykonywanie-uslug-z-zakresu-gospodarki-lesnej-na-terenie-nadlesnictwa-wlodawa-w-roku-2027-\", \"buyer\": \"Nadleśnictwo Włodawa\", \"title\": \"Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Włodawa w roku 2027.\", \"region\": \"lubelskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3853022\", \"deadline_at\": \"2026-11-23T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T07:07:22Z\"}",
            "content_hash": "2c9dbc4abd8c7044e1ecb5817972b1e5054e7181cfc27d8e8d67aacbdd099299",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3baae5745a79401d781969aff6d2f65006ce4ba3055c23528d126bdbba03b7df",
            "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": 2,
            "recorded_at": "2026-10-26T07:36:08Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853022/wykonywanie-uslug-z-zakresu-gospodarki-lesnej-na-terenie-nadlesnictwa-wlodawa-w-roku-2027-\", \"buyer\": \"Nadleśnictwo Włodawa\", \"title\": \"Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Włodawa w roku 2027.\", \"region\": \"lubelskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3853022\", \"deadline_at\": \"2026-11-23T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T07:07:22Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/737056-2026\"}",
            "content_hash": "482cc9493479572b29de025186b2bcfbe46c41138f4d2f3b5bade73ec87c337a",
            "prev_hash": "3baae5745a79401d781969aff6d2f65006ce4ba3055c23528d126bdbba03b7df",
            "hash": "489053a9c7528e00670294e225c3b06f969d34e20020c242c5d79a7c8cb196b7",
            "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": "2026-10-26T23:36:08Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853022/wykonywanie-uslug-z-zakresu-gospodarki-lesnej-na-terenie-nadlesnictwa-wlodawa-w-roku-2027-\", \"buyer\": \"Nadleśnictwo Włodawa\", \"title\": \"Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Włodawa w roku 2027.\", \"region\": \"lubelskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3853022\", \"deadline_at\": \"2026-11-23T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T07:07:22Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853022/wykonywanie-uslug-z-zakresu-gospodarki-lesnej-na-terenie-nadlesnictwa-wlodawa-w-roku-2027-\"}",
            "content_hash": "03294eb4ba03f0338992283ab708a2ec5fe7531da7ae32f33f8549b4e30bc31e",
            "prev_hash": "489053a9c7528e00670294e225c3b06f969d34e20020c242c5d79a7c8cb196b7",
            "hash": "fa33cd036e33742cb9b5da5b5da1e5ed17ccc716baed6d5a88602cbed269fdd3",
            "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": "2026-10-27T11:33:47Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853022/wykonywanie-uslug-z-zakresu-gospodarki-lesnej-na-terenie-nadlesnictwa-wlodawa-w-roku-2027-\", \"buyer\": \"Nadleśnictwo Włodawa\", \"title\": \"Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Włodawa w roku 2027.\", \"region\": \"lubelskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3853022\", \"deadline_at\": \"2026-11-23T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T07:07:22Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/737056-2026\"}",
            "content_hash": "482cc9493479572b29de025186b2bcfbe46c41138f4d2f3b5bade73ec87c337a",
            "prev_hash": "fa33cd036e33742cb9b5da5b5da1e5ed17ccc716baed6d5a88602cbed269fdd3",
            "hash": "dec9a64e3fbd7a809ff01ca53a0c4dfc4dd118231342f0a7a9516f3a3df1979d",
            "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
            }
        }
    ]
}