{
    "tender_id": 4334517,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-10-31T12:09:27Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051417801_Dostawy-lekow-oraz-preparatow-do-oczyszczania-i-nawilzania-ran-przewleklych_2026_2.html\", \"buyer\": \"Specjalistyczny Szpital im. E. Szczeklika w Tarnowie\", \"title\": \"Dostawy leków oraz preparatów do oczyszczania i nawilżania ran przewlekłych\", \"region\": \"malopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"33600000\"], \"location\": \"Tarnów\", \"source_id\": \"20051417801\", \"deadline_at\": \"2026-11-09T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\"}",
            "content_hash": "85e9e4ec2a8c7cdf1fa41ddbdbddc562aee3711a0c66c1433e8ee16cd27206b8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a508a884ba836843b45ca474bdea50a841bf1eebd82c25cc0bc2b9c0220fa364",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T12:45:31Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051417801_Dostawy-lekow-oraz-preparatow-do-oczyszczania-i-nawilzania-ran-przewleklych_2026_2.html\", \"buyer\": \"Specjalistyczny Szpital im. E. Szczeklika w Tarnowie\", \"title\": \"Dostawy leków oraz preparatów do oczyszczania i nawilżania ran przewlekłych\", \"region\": \"malopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"33600000\"], \"location\": \"Tarnów\", \"source_id\": \"20051417801\", \"deadline_at\": \"2026-11-09T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1398276\"}",
            "content_hash": "c287b290be6c4fd73ddb29f99ac7b743183377b0af1b829edd441bb42f4ec197",
            "prev_hash": "a508a884ba836843b45ca474bdea50a841bf1eebd82c25cc0bc2b9c0220fa364",
            "hash": "25a819a64eb8487f036c2ff2d93d266be564d235990628af834f2b9b136b1a66",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}