{
    "tender_id": 4713297,
    "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": "2026-11-02T05:56:57Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757473-2026\", \"buyer\": \"Uzdrowisko Goczałkowice-Zdrój\", \"title\": \"Polska – Roboty budowlane – Remont łazienek na parterze, tarasu oraz wskazanych pomieszczeń w Szpitalu Dziecięcym „Stokrotka” należącym do Uzdrowiska Goczałkowice - Zdrój Sp. z o.o. w Goczałkowicach - Zdroju\", \"region\": \"slaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"45330000\", \"45331000\", \"45332000\", \"45410000\"], \"location\": \"PL225, POL, PL225, POL\", \"source_id\": \"757473-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\"}",
            "content_hash": "045a8feac53b213c00ecea646d731228a5b1e9bc5b2180347f8356b228118f57",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d0b3c414b79ac28720cd1c573735883a76309ef0f818d0dbaada6e93fa361e2b",
            "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": "2026-11-02T13:46:06Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757473-2026\", \"buyer\": \"Uzdrowisko Goczałkowice-Zdrój\", \"title\": \"Polska – Roboty budowlane – Remont łazienek na parterze, tarasu oraz wskazanych pomieszczeń w Szpitalu Dziecięcym „Stokrotka” należącym do Uzdrowiska Goczałkowice - Zdrój Sp. z o.o. w Goczałkowicach - Zdroju\", \"region\": \"slaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"45330000\", \"45331000\", \"45332000\", \"45410000\"], \"location\": \"PL225, POL, PL225, POL\", \"source_id\": \"757473-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/757473-2026\"}",
            "content_hash": "0becaaf7d1d3159015b3416fe1fd6a71681749822385e69389ee3104099376e3",
            "prev_hash": "d0b3c414b79ac28720cd1c573735883a76309ef0f818d0dbaada6e93fa361e2b",
            "hash": "c2980d124b218ad587ded59c7272d7102db159d42eb2d7f628853ef6425e48e1",
            "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": 3,
            "recorded_at": "2026-11-02T20:45:35Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757473-2026\", \"buyer\": \"Uzdrowisko Goczałkowice-Zdrój\", \"title\": \"Polska – Roboty budowlane – Remont łazienek na parterze, tarasu oraz wskazanych pomieszczeń w Szpitalu Dziecięcym „Stokrotka” należącym do Uzdrowiska Goczałkowice - Zdrój Sp. z o.o. w Goczałkowicach - Zdroju\", \"region\": \"slaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"45330000\", \"45331000\", \"45332000\", \"45410000\"], \"location\": \"PL225, POL, PL225, POL\", \"source_id\": \"757473-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1402064\"}",
            "content_hash": "36b50be8fb7e12887eb22ca1d12934a7d6327d825941807d0a02b860d879bb98",
            "prev_hash": "c2980d124b218ad587ded59c7272d7102db159d42eb2d7f628853ef6425e48e1",
            "hash": "59dd1753b1a537709acc501529b3d3270f9b234231e00f24a8208afe7a80e0c6",
            "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
            }
        }
    ]
}