{
    "tender_id": 3823386,
    "check": {
        "ok": true,
        "versions": 7,
        "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": "2026-10-28T20:01:49Z",
            "content": "{\"url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O.\", \"title\": \"kondensatory/856/26\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"weglokoks-8d5eaacc2896aae8f03ceb43376a58d6\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T08:07:00Z\"}",
            "content_hash": "cee8db06aac8be327f59aecc1009199732b63d0827d4d70c5c458a1d3f94e819",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "29c2f285106cb0614f2c06d18cfefec45dd43ac9047e0691411587bb67970539",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T02:09:47Z",
            "content": "{\"url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O\", \"title\": \"Kondensatory/856/26\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"weglokoks-8d5eaacc2896aae8f03ceb43376a58d6\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T11:06:00Z\"}",
            "content_hash": "a1d3721c1017ff10fbeb1a87f2fff35a8a305e2b1d9821c5fad3eb71f31c14a6",
            "prev_hash": "29c2f285106cb0614f2c06d18cfefec45dd43ac9047e0691411587bb67970539",
            "hash": "1801ab5fec2f7bffdd3199cace3069b9b62fadd3dd7d422b040f545615aac56b",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T04:45:41Z",
            "content": "{\"url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O\", \"title\": \"Kondensatory/856/26\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"weglokoks-8d5eaacc2896aae8f03ceb43376a58d6\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T11:06:00Z\", \"procedure_url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\"}",
            "content_hash": "c44974c09e2bf253eba5ff8d6830f62e8edd7542515d0b523a487a9f5db36a6f",
            "prev_hash": "1801ab5fec2f7bffdd3199cace3069b9b62fadd3dd7d422b040f545615aac56b",
            "hash": "018f46bda5f749be00164d8acd64a078e7cfd5b79e04343bec290f77e725af80",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-29T17:45:22Z",
            "content": "{\"url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O\", \"title\": \"Kondensatory/856/26\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"weglokoks-8d5eaacc2896aae8f03ceb43376a58d6\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T11:06:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859238/kondensatory-856-26\"}",
            "content_hash": "a98ed95300607d4f9b295d5974700ac0feecd4cd634f3b37af40f12ab9ab2882",
            "prev_hash": "018f46bda5f749be00164d8acd64a078e7cfd5b79e04343bec290f77e725af80",
            "hash": "bb55b231deec859256fe584a80876724634c9ea3875746b8ee642a7fdae7eeca",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-29T19:45:58Z",
            "content": "{\"url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O\", \"title\": \"Kondensatory/856/26\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"weglokoks-8d5eaacc2896aae8f03ceb43376a58d6\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T11:06:00Z\", \"procedure_url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\"}",
            "content_hash": "c44974c09e2bf253eba5ff8d6830f62e8edd7542515d0b523a487a9f5db36a6f",
            "prev_hash": "bb55b231deec859256fe584a80876724634c9ea3875746b8ee642a7fdae7eeca",
            "hash": "4d2c110824c05f03a680a7723d9c36b99a5797a7fce90edc67625fa3bb45a7f0",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-30T06:26:16Z",
            "content": "{\"url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O.\", \"title\": \"kondensatory/856/26\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"weglokoks-8d5eaacc2896aae8f03ceb43376a58d6\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T08:07:00Z\", \"procedure_url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\"}",
            "content_hash": "fc270da2fad9302743b7dc950b2821da61a6ed50dd6bd88e4d098ac0bc189b54",
            "prev_hash": "4d2c110824c05f03a680a7723d9c36b99a5797a7fce90edc67625fa3bb45a7f0",
            "hash": "641f60c79a44a307559114116f870d7bca884deb491c3de0b7c5167ee883355c",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-10-30T18:11:30Z",
            "content": "{\"url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O\", \"title\": \"Kondensatory/856/26\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"weglokoks-8d5eaacc2896aae8f03ceb43376a58d6\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T11:06:00Z\", \"procedure_url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,8d5eaacc2896aae8f03ceb43376a58d6.html\"}",
            "content_hash": "c44974c09e2bf253eba5ff8d6830f62e8edd7542515d0b523a487a9f5db36a6f",
            "prev_hash": "641f60c79a44a307559114116f870d7bca884deb491c3de0b7c5167ee883355c",
            "hash": "82063c5558d8c7b14b0868601935674f4841e0d9d3abf020bc5353894124a6c5",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}