{
    "tender_id": 6824719,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-12T10:40:11Z",
            "content": "{\"cpv\": \"35200000\", \"url\": \"https://platformazakupowa.pl/transakcja/1408257\", \"buyer\": \"KWP Bydgoszcz\", \"title\": \"Dostawa pałek teleskopowych\", \"region\": \"kujawsko-pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1408257\", \"deadline_at\": \"2026-11-17T09:34:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-12T09:35:00Z\", \"notice_number\": \"1408257\"}",
            "content_hash": "599bcc2056c1f71839906c9dafabd0ed5b3d6ac1f913c02f491d9a9e4dfece59",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ce2e81faf8989418aa5c0646a0770cf3a8dba491e485460c86ff87887a1873f0",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-12T10:45:50Z",
            "content": "{\"cpv\": \"35200000\", \"url\": \"https://platformazakupowa.pl/transakcja/1408257\", \"buyer\": \"KWP Bydgoszcz\", \"title\": \"Dostawa pałek teleskopowych\", \"region\": \"kujawsko-pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1408257\", \"deadline_at\": \"2026-11-17T09:34:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-12T09:35:00Z\", \"notice_number\": \"1408257\", \"procedure_url\": \"https://podkarpacka-policja.eb2b.com.pl/open-preview-auction.html/537919/dostawa-palek-teleskopowych-dla-kwp-w-rzeszowie-9\"}",
            "content_hash": "5e302774318d85109f19a7321bd7639e899e40932acf98fbb262ddf2ebe4ed3a",
            "prev_hash": "ce2e81faf8989418aa5c0646a0770cf3a8dba491e485460c86ff87887a1873f0",
            "hash": "14304c75b23724df41786337510e114496da03e4e34e750f52062ea47d488c59",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-12T15:39:17Z",
            "content": "{\"cpv\": \"35200000\", \"url\": \"https://platformazakupowa.pl/transakcja/1408257\", \"buyer\": \"KWP Bydgoszcz\", \"title\": \"Dostawa pałek teleskopowych\", \"region\": \"kujawsko-pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1408257\", \"deadline_at\": \"2026-11-17T09:34:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-12T09:35:00Z\", \"notice_number\": \"1408257\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1408257\"}",
            "content_hash": "450f49c54ede74796ee824f0e83b2482b8c4c85fe3e2e9065d60d7814408e0f9",
            "prev_hash": "14304c75b23724df41786337510e114496da03e4e34e750f52062ea47d488c59",
            "hash": "58776c1780395901dbad7e7e0106873d0cd00eb8e8dd7f621fe0ffa9ca41fa11",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        }
    ]
}