{
    "tender_id": 4757154,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-11-02T10:28:03Z",
            "content": "{\"cpv\": \"71314300\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-9b9b-edcc-e2d6-6b000120c4ad\", \"buyer\": \"GMINA JEDNOROŻEC\", \"title\": \"„Wykonanie audytów energetycznych w gospodarstwach domowych i gospodarstwach ubogich energetycznie na terenie gminy Jednorożec w ramach projektu pn. „Mazowsze bez smogu”\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Jednorożec, mazowieckie\", \"buyer_nip\": \"7611485912\", \"source_id\": \"2026/BZP 00515625/01\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:03:57Z\", \"notice_number\": \"2026/BZP 00515625/01\"}",
            "content_hash": "ebd42d4d7ef9a0e369a7882408bb5cd52643a5cd581721f0099668f5961a57a9",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6819e5c765401ad14c96b8d23933b9186d06bd08f19beafb6ee13bef86943e82",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T08:45:34Z",
            "content": "{\"cpv\": \"71314300\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-9b9b-edcc-e2d6-6b000120c4ad\", \"buyer\": \"GMINA JEDNOROŻEC\", \"title\": \"„Wykonanie audytów energetycznych w gospodarstwach domowych i gospodarstwach ubogich energetycznie na terenie gminy Jednorożec w ramach projektu pn. „Mazowsze bez smogu”\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Jednorożec, mazowieckie\", \"buyer_nip\": \"7611485912\", \"source_id\": \"2026/BZP 00515625/01\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:03:57Z\", \"notice_number\": \"2026/BZP 00515625/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-9b9b-edcc-e2d6-6b000120c4ad\"}",
            "content_hash": "0ab8fc90e84bd25cda4937f41d11f9c229fe637f138ee899e9ec72cc02bc8924",
            "prev_hash": "6819e5c765401ad14c96b8d23933b9186d06bd08f19beafb6ee13bef86943e82",
            "hash": "6b160feb1a93e300fceae13d9ac6851e9fddd5046fceca21a2d63cf5b6b33edc",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T09:45:25Z",
            "content": "{\"cpv\": \"71314300\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-9b9b-edcc-e2d6-6b000120c4ad\", \"buyer\": \"GMINA JEDNOROŻEC\", \"title\": \"„Wykonanie audytów energetycznych w gospodarstwach domowych i gospodarstwach ubogich energetycznie na terenie gminy Jednorożec w ramach projektu pn. „Mazowsze bez smogu”\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Jednorożec, mazowieckie\", \"buyer_nip\": \"7611485912\", \"source_id\": \"2026/BZP 00515625/01\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:03:57Z\", \"notice_number\": \"2026/BZP 00515625/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3867926/-wykonanie-audytow-energetycznych-w-gospodarstwach-domowych-i-gospodarstwach-ubogich-energetycznie-na-terenie-gminy-jednorozec-w\"}",
            "content_hash": "aa127b9aa21c58caf560232a3e7b8d938f37bbca78ae9db255135d338952c741",
            "prev_hash": "6b160feb1a93e300fceae13d9ac6851e9fddd5046fceca21a2d63cf5b6b33edc",
            "hash": "75762abdaf635ccafd392575304acc8acbb932b9aab13c65a7c53ec0cfb80738",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-03T21:46:11Z",
            "content": "{\"cpv\": \"71314300\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-9b9b-edcc-e2d6-6b000120c4ad\", \"buyer\": \"GMINA JEDNOROŻEC\", \"title\": \"„Wykonanie audytów energetycznych w gospodarstwach domowych i gospodarstwach ubogich energetycznie na terenie gminy Jednorożec w ramach projektu pn. „Mazowsze bez smogu”\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Jednorożec, mazowieckie\", \"buyer_nip\": \"7611485912\", \"source_id\": \"2026/BZP 00515625/01\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:03:57Z\", \"notice_number\": \"2026/BZP 00515625/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-9b9b-edcc-e2d6-6b000120c4ad\"}",
            "content_hash": "0ab8fc90e84bd25cda4937f41d11f9c229fe637f138ee899e9ec72cc02bc8924",
            "prev_hash": "75762abdaf635ccafd392575304acc8acbb932b9aab13c65a7c53ec0cfb80738",
            "hash": "9ab6475588a26866cb8722ccd8d82a5e520010f72581e437df884fde9939ae81",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-04T10:46:33Z",
            "content": "{\"cpv\": \"71314300\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-9b9b-edcc-e2d6-6b000120c4ad\", \"buyer\": \"GMINA JEDNOROŻEC\", \"title\": \"„Wykonanie audytów energetycznych w gospodarstwach domowych i gospodarstwach ubogich energetycznie na terenie gminy Jednorożec w ramach projektu pn. „Mazowsze bez smogu”\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Jednorożec, mazowieckie\", \"buyer_nip\": \"7611485912\", \"source_id\": \"2026/BZP 00515625/01\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:03:57Z\", \"notice_number\": \"2026/BZP 00515625/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3867926/-wykonanie-audytow-energetycznych-w-gospodarstwach-domowych-i-gospodarstwach-ubogich-energetycznie-na-terenie-gminy-jednorozec-w\"}",
            "content_hash": "aa127b9aa21c58caf560232a3e7b8d938f37bbca78ae9db255135d338952c741",
            "prev_hash": "9ab6475588a26866cb8722ccd8d82a5e520010f72581e437df884fde9939ae81",
            "hash": "96a34cc8bd0d7636409eb70b25681c95319c23fe188cfebde8d9f3dde6d23993",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        }
    ]
}