{
    "tender_id": 5048231,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-11-03T20:48:29Z",
            "content": "{\"cpv\": \"45261900\", \"url\": \"https://platforma-zchsiarkopol.logintrade.net/portal,szczegolyZapytaniaOfertowe,d057bb4a36c8de3aa2ef7562c938f813.html\", \"buyer\": \"Zakłady Chemiczne „Siarkopol” Tarnobrzeg Sp. z o. o.\", \"title\": \"Remont pokrycia dachu UWP - PEW\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"podkarpackie\", \"source_id\": \"platforma-zchsiarkopol-d057bb4a36c8de3aa2ef7562c938f813\", \"deadline_at\": \"2026-11-12T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T13:37:00Z\"}",
            "content_hash": "528fb0baf951004cd30bee1419d01bced8f510f25689b3c29e4fa2eddcd5e197",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0b2a30976adc77577ade21c3c416ebbe4630c4bc1c1bcde4ee672665f8b11f32",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T00:37:32Z",
            "content": "{\"cpv\": \"45261900\", \"url\": \"https://platforma-zchsiarkopol.logintrade.net/portal,szczegolyZapytaniaOfertowe,d057bb4a36c8de3aa2ef7562c938f813.html\", \"buyer\": \"Zakłady Chemiczne ,,Siarkopol\\\" Tarnobrzeg Sp. z o. o\", \"title\": \"Remont pokrycia dachu UWP - PEW\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-zchsiarkopol-d057bb4a36c8de3aa2ef7562c938f813\", \"deadline_at\": \"2026-11-12T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T16:29:00Z\"}",
            "content_hash": "fb69cb61ab4fd219be4881907dc5d98b762f82de415a4b347bbdcf98ecbc881e",
            "prev_hash": "0b2a30976adc77577ade21c3c416ebbe4630c4bc1c1bcde4ee672665f8b11f32",
            "hash": "bc5c68873b89fa29a8e0c324d9b32a9663fedfb452b2bba6924acf2f67c03d31",
            "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": 974604
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-04T10:46:35Z",
            "content": "{\"cpv\": \"45261900\", \"url\": \"https://platforma-zchsiarkopol.logintrade.net/portal,szczegolyZapytaniaOfertowe,d057bb4a36c8de3aa2ef7562c938f813.html\", \"buyer\": \"Zakłady Chemiczne ,,Siarkopol\\\" Tarnobrzeg Sp. z o. o\", \"title\": \"Remont pokrycia dachu UWP - PEW\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-zchsiarkopol-d057bb4a36c8de3aa2ef7562c938f813\", \"deadline_at\": \"2026-11-12T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T16:29:00Z\", \"procedure_url\": \"https://platforma-zchsiarkopol.logintrade.net/portal,szczegolyZapytaniaOfertowe,d057bb4a36c8de3aa2ef7562c938f813.html\"}",
            "content_hash": "552f492cc2663393f396b9f89d09bee16259679dc695836f75e5c157a153a1d2",
            "prev_hash": "bc5c68873b89fa29a8e0c324d9b32a9663fedfb452b2bba6924acf2f67c03d31",
            "hash": "a1099c9484e8dd1e26b6490dc87bbdc0248a60d92c9d527e517bf47e0a590eed",
            "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": 974604
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-04T12:57:15Z",
            "content": "{\"cpv\": \"45261900\", \"url\": \"https://platforma-zchsiarkopol.logintrade.net/portal,szczegolyZapytaniaOfertowe,d057bb4a36c8de3aa2ef7562c938f813.html\", \"buyer\": \"Zakłady Chemiczne „Siarkopol” Tarnobrzeg Sp. z o. o.\", \"title\": \"Remont pokrycia dachu UWP - PEW\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"podkarpackie\", \"source_id\": \"platforma-zchsiarkopol-d057bb4a36c8de3aa2ef7562c938f813\", \"deadline_at\": \"2026-11-12T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T13:37:00Z\", \"procedure_url\": \"https://platforma-zchsiarkopol.logintrade.net/portal,szczegolyZapytaniaOfertowe,d057bb4a36c8de3aa2ef7562c938f813.html\"}",
            "content_hash": "534d71b50acf1cc838cc603b1bb9a841286c64fa89c74236b5a0c42fd62ee7f2",
            "prev_hash": "a1099c9484e8dd1e26b6490dc87bbdc0248a60d92c9d527e517bf47e0a590eed",
            "hash": "209de5d819084acba1e252b9109c7cea107733194906edb48880f12967a30104",
            "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": 974604
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-04T21:10:36Z",
            "content": "{\"cpv\": \"45261900\", \"url\": \"https://platforma-zchsiarkopol.logintrade.net/portal,szczegolyZapytaniaOfertowe,d057bb4a36c8de3aa2ef7562c938f813.html\", \"buyer\": \"Zakłady Chemiczne ,,Siarkopol\\\" Tarnobrzeg Sp. z o. o\", \"title\": \"Remont pokrycia dachu UWP - PEW\", \"region\": \"podkarpackie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-zchsiarkopol-d057bb4a36c8de3aa2ef7562c938f813\", \"deadline_at\": \"2026-11-12T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T16:29:00Z\", \"procedure_url\": \"https://platforma-zchsiarkopol.logintrade.net/portal,szczegolyZapytaniaOfertowe,d057bb4a36c8de3aa2ef7562c938f813.html\"}",
            "content_hash": "552f492cc2663393f396b9f89d09bee16259679dc695836f75e5c157a153a1d2",
            "prev_hash": "209de5d819084acba1e252b9109c7cea107733194906edb48880f12967a30104",
            "hash": "2f8983bf5d0441eb37828d96b69747a6a634bd920f1d34bea594a06aa8aff2f0",
            "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": 974604
            }
        }
    ]
}