{
    "tender_id": 5142074,
    "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": "2026-11-04T07:12:58Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/765920-2026\", \"buyer\": \"Skarb Państwa - Państwowe Gospodarstwo Leśne Lasy Państwowe Nadleśnictwo Baligród\", \"title\": \"Polska – Usługi leśnictwa – Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Baligród w roku 2027\", \"region\": \"podkarpackie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"77210000\", \"77211000\", \"77211100\", \"77211200\", \"77211300\", \"77211400\", \"77211500\", \"77211600\", \"77230000\", \"77231000\", \"77231200\", \"77231600\", \"75251120\", \"77600000\", \"77100000\", \"77110000\"], \"location\": \"PL821, POL, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL\", \"buyer_nip\": \"6880042139\", \"source_id\": \"765920-2026\", \"deadline_at\": \"2026-11-24T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\"}",
            "content_hash": "4b38348cbeef9f71cb16ed7c44fb96c9c8dd3d87b0daef11b4c0d082da131964",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "20ede59f3bb75ec6c91666d1e92116da60d5bb7fd309ca2711e0ca0086ad7180",
            "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": null
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T10:46:13Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/765920-2026\", \"buyer\": \"Skarb Państwa - Państwowe Gospodarstwo Leśne Lasy Państwowe Nadleśnictwo Baligród\", \"title\": \"Polska – Usługi leśnictwa – Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Baligród w roku 2027\", \"region\": \"podkarpackie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"77210000\", \"77211000\", \"77211100\", \"77211200\", \"77211300\", \"77211400\", \"77211500\", \"77211600\", \"77230000\", \"77231000\", \"77231200\", \"77231600\", \"75251120\", \"77600000\", \"77100000\", \"77110000\"], \"location\": \"PL821, POL, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL\", \"buyer_nip\": \"6880042139\", \"source_id\": \"765920-2026\", \"deadline_at\": \"2026-11-24T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/765920-2026\"}",
            "content_hash": "649e1110ad14b0349c19d0b0d95616cd670a7123d1c0248619ec2f211c813715",
            "prev_hash": "20ede59f3bb75ec6c91666d1e92116da60d5bb7fd309ca2711e0ca0086ad7180",
            "hash": "4737bfa53bf8608d8bd6145726cf2eac55f117d6f8c90053a5fed3193348208a",
            "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": null
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-04T21:45:38Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/765920-2026\", \"buyer\": \"Skarb Państwa - Państwowe Gospodarstwo Leśne Lasy Państwowe Nadleśnictwo Baligród\", \"title\": \"Polska – Usługi leśnictwa – Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Baligród w roku 2027\", \"region\": \"podkarpackie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"77210000\", \"77211000\", \"77211100\", \"77211200\", \"77211300\", \"77211400\", \"77211500\", \"77211600\", \"77230000\", \"77231000\", \"77231200\", \"77231600\", \"75251120\", \"77600000\", \"77100000\", \"77110000\"], \"location\": \"PL821, POL, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, PL821, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL, POL\", \"buyer_nip\": \"6880042139\", \"source_id\": \"765920-2026\", \"deadline_at\": \"2026-11-24T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1393328\"}",
            "content_hash": "ba3472ba4efc8595bc2b12fbb754bfae4dd7528c9bd2792b9d514686a198929b",
            "prev_hash": "4737bfa53bf8608d8bd6145726cf2eac55f117d6f8c90053a5fed3193348208a",
            "hash": "abad4cd0d5327e01a615d0fe4394dc94859f08712bb53bbd13720a3bf59cd82d",
            "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": null
            }
        }
    ]
}