{
    "tender_id": 3730997,
    "check": {
        "ok": true,
        "versions": 7,
        "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": "2026-10-28T06:51:27Z",
            "content": "{\"cpv\": \"45233120\", \"url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\", \"buyer\": \"Miasto Wodzisław Śląski\", \"title\": \"Przebudowa ul. Strażackiej bocznej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"45100000\", \"45111200\", \"45231300\", \"45233140\", \"45233226\", \"45000000\"], \"location\": \"Wodzisław Śląski\", \"source_id\": \"20050552101\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\"}",
            "content_hash": "931a4ef69cb182b76163adeea9499f815e85c919dbfadb93995950f2412924f1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2d4cec84a66327c95314a648a50116ebc36ae27d77aed7ddf9ea69adc233aa3f",
            "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": "2026-10-28T08:45:18Z",
            "content": "{\"cpv\": \"45233120\", \"url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\", \"buyer\": \"Miasto Wodzisław Śląski\", \"title\": \"Przebudowa ul. Strażackiej bocznej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"45100000\", \"45111200\", \"45231300\", \"45233140\", \"45233226\", \"45000000\"], \"location\": \"Wodzisław Śląski\", \"source_id\": \"20050552101\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3439-ce4f-20ae-f0a0-c4000171d79c\"}",
            "content_hash": "f35ffad244fde75fb405e22299f24c26983aceaea574fd14f9d642cc5a74d4f8",
            "prev_hash": "2d4cec84a66327c95314a648a50116ebc36ae27d77aed7ddf9ea69adc233aa3f",
            "hash": "49c4e5c8735e7d4696d8a957fb35fa04e3d4dc8ee7f7b834e7b69c9e86bc62e4",
            "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": "2026-10-28T12:45:53Z",
            "content": "{\"cpv\": \"45233120\", \"url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\", \"buyer\": \"Miasto Wodzisław Śląski\", \"title\": \"Przebudowa ul. Strażackiej bocznej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"45100000\", \"45111200\", \"45231300\", \"45233140\", \"45233226\", \"45000000\"], \"location\": \"Wodzisław Śląski\", \"source_id\": \"20050552101\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\", \"procedure_url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\"}",
            "content_hash": "b5ca0ac15f416b863c1082689593efe15de235409b643b8ecea921ccc2b59cd2",
            "prev_hash": "49c4e5c8735e7d4696d8a957fb35fa04e3d4dc8ee7f7b834e7b69c9e86bc62e4",
            "hash": "96f97682854f7a0ce3a9005080fe73a49dcf9e0cdd9c7b1c9ef4623c595be1d2",
            "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": 4,
            "recorded_at": "2026-10-28T20:45:34Z",
            "content": "{\"cpv\": \"45233120\", \"url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\", \"buyer\": \"Miasto Wodzisław Śląski\", \"title\": \"Przebudowa ul. Strażackiej bocznej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"45100000\", \"45111200\", \"45231300\", \"45233140\", \"45233226\", \"45000000\"], \"location\": \"Wodzisław Śląski\", \"source_id\": \"20050552101\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3439-ce4f-20ae-f0a0-c4000171d79c\"}",
            "content_hash": "f35ffad244fde75fb405e22299f24c26983aceaea574fd14f9d642cc5a74d4f8",
            "prev_hash": "96f97682854f7a0ce3a9005080fe73a49dcf9e0cdd9c7b1c9ef4623c595be1d2",
            "hash": "89b39fdf2a41a2b48f153473948e1dfa0f8720cdfeb7b0d566a5e738679fbed9",
            "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": 5,
            "recorded_at": "2026-10-29T12:45:44Z",
            "content": "{\"cpv\": \"45233120\", \"url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\", \"buyer\": \"Miasto Wodzisław Śląski\", \"title\": \"Przebudowa ul. Strażackiej bocznej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"45100000\", \"45111200\", \"45231300\", \"45233140\", \"45233226\", \"45000000\"], \"location\": \"Wodzisław Śląski\", \"source_id\": \"20050552101\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\", \"procedure_url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\"}",
            "content_hash": "b5ca0ac15f416b863c1082689593efe15de235409b643b8ecea921ccc2b59cd2",
            "prev_hash": "89b39fdf2a41a2b48f153473948e1dfa0f8720cdfeb7b0d566a5e738679fbed9",
            "hash": "289119978ae2df64f82fb1a0f4494cd9e52af47fdb523fc6f2f8b7395f3fe4be",
            "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": 6,
            "recorded_at": "2026-10-29T13:45:44Z",
            "content": "{\"cpv\": \"45233120\", \"url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\", \"buyer\": \"Miasto Wodzisław Śląski\", \"title\": \"Przebudowa ul. Strażackiej bocznej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"45100000\", \"45111200\", \"45231300\", \"45233140\", \"45233226\", \"45000000\"], \"location\": \"Wodzisław Śląski\", \"source_id\": \"20050552101\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3439-ce4f-20ae-f0a0-c4000171d79c\"}",
            "content_hash": "f35ffad244fde75fb405e22299f24c26983aceaea574fd14f9d642cc5a74d4f8",
            "prev_hash": "289119978ae2df64f82fb1a0f4494cd9e52af47fdb523fc6f2f8b7395f3fe4be",
            "hash": "c803c65ce3812b52140b7ee02574b229a088bd8fba016da44b3d4f68a9172521",
            "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": 7,
            "recorded_at": "2026-10-30T00:25:15Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://www.przetargi.egospodarka.pl/20050552101_Przebudowa-ul-Strazackiej-bocznej_2026_2.html\", \"buyer\": \"Miasto Wodzisław Śląski\", \"title\": \"Przebudowa ul. Strażackiej bocznej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wodzisław Śląski\", \"source_id\": \"20050552101\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3439-ce4f-20ae-f0a0-c4000171d79c\"}",
            "content_hash": "4af2d98bcf06ecfc37020d3cd3fa71fde8f152707199ab6c1b0c74e8eab0bd08",
            "prev_hash": "c803c65ce3812b52140b7ee02574b229a088bd8fba016da44b3d4f68a9172521",
            "hash": "b6621af4e32a98cb5dca93291d32956298182e0b020bb562aaab88f656151b14",
            "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
            }
        }
    ]
}