{
    "tender_id": 3070450,
    "check": {
        "ok": true,
        "versions": 11,
        "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\"}",
            "content_hash": "b228ae770a77c91a12fdbc86accea6768b164e35ac382262cd58bfeb327bd603",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d31e545e40baba80fc458aa38a203f8236fb823c21896c8d46749457b5ae9adb",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-24T14:36:05Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/295883\"}",
            "content_hash": "cb9ffabfed5eebaf026ef2c17b25ccea0cb447a1fa92755baf45a23e5b8ad5aa",
            "prev_hash": "d31e545e40baba80fc458aa38a203f8236fb823c21896c8d46749457b5ae9adb",
            "hash": "def311a7f8872945f7c3b224c3d44ececd57ca697fe5448f64a25521f26c8458",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-25T11:36:14Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\"}",
            "content_hash": "b228ae770a77c91a12fdbc86accea6768b164e35ac382262cd58bfeb327bd603",
            "prev_hash": "def311a7f8872945f7c3b224c3d44ececd57ca697fe5448f64a25521f26c8458",
            "hash": "4ee28fad539c6cda4b8e963b2ebcfdc75615262c8c56b47a679693868b55657e",
            "actor": null,
            "seal": {
                "id": 2,
                "digest": "6af9ff920846d2ed2fae131d9f0f0d3d71bdf63cfd98a8a18b81289d63fe5e04",
                "file": "https://tenderiq.pl/rejestr/pieczec-2.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-2.txt.ots",
                "bitcoin_block": 973147
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-25T15:37:01Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/295883\"}",
            "content_hash": "cb9ffabfed5eebaf026ef2c17b25ccea0cb447a1fa92755baf45a23e5b8ad5aa",
            "prev_hash": "4ee28fad539c6cda4b8e963b2ebcfdc75615262c8c56b47a679693868b55657e",
            "hash": "254f89b49ddc2cba1746f03ff4363fc2a5f689989225d406cf6263332f9ed1da",
            "actor": null,
            "seal": {
                "id": 2,
                "digest": "6af9ff920846d2ed2fae131d9f0f0d3d71bdf63cfd98a8a18b81289d63fe5e04",
                "file": "https://tenderiq.pl/rejestr/pieczec-2.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-2.txt.ots",
                "bitcoin_block": 973147
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-26T23:36:10Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\"}",
            "content_hash": "b228ae770a77c91a12fdbc86accea6768b164e35ac382262cd58bfeb327bd603",
            "prev_hash": "254f89b49ddc2cba1746f03ff4363fc2a5f689989225d406cf6263332f9ed1da",
            "hash": "830d6933579ba5c197c7cd21abfd8506be273b39b712bf47f7ab6f3099c0ff4b",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-28T22:45:41Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/295883\"}",
            "content_hash": "cb9ffabfed5eebaf026ef2c17b25ccea0cb447a1fa92755baf45a23e5b8ad5aa",
            "prev_hash": "830d6933579ba5c197c7cd21abfd8506be273b39b712bf47f7ab6f3099c0ff4b",
            "hash": "2b5eb2f0c9ce9d59d5dc40a148dcd9266173c7080f3d18b0633a0d825e222ff5",
            "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": 7,
            "recorded_at": "2026-10-29T05:46:04Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\"}",
            "content_hash": "b228ae770a77c91a12fdbc86accea6768b164e35ac382262cd58bfeb327bd603",
            "prev_hash": "2b5eb2f0c9ce9d59d5dc40a148dcd9266173c7080f3d18b0633a0d825e222ff5",
            "hash": "6452b24243c0e90b856345e81e6769ac57275f2f3ede3041f1d8d52cb5aeb840",
            "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": 8,
            "recorded_at": "2026-10-31T04:45:53Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/295883\"}",
            "content_hash": "cb9ffabfed5eebaf026ef2c17b25ccea0cb447a1fa92755baf45a23e5b8ad5aa",
            "prev_hash": "6452b24243c0e90b856345e81e6769ac57275f2f3ede3041f1d8d52cb5aeb840",
            "hash": "50a2d1daecb2b3e22c75954c942a2bc4418d2afb3418cab6005a2f7b2ba1cf4b",
            "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": null
            }
        },
        {
            "version": 9,
            "recorded_at": "2026-10-31T10:46:02Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\"}",
            "content_hash": "b228ae770a77c91a12fdbc86accea6768b164e35ac382262cd58bfeb327bd603",
            "prev_hash": "50a2d1daecb2b3e22c75954c942a2bc4418d2afb3418cab6005a2f7b2ba1cf4b",
            "hash": "5a96b2e7e63d0466c279b064eda7d754784c4bd4c751ca2cb56458304cef04e9",
            "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": null
            }
        },
        {
            "version": 10,
            "recorded_at": "2026-10-31T17:45:46Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/295883\"}",
            "content_hash": "cb9ffabfed5eebaf026ef2c17b25ccea0cb447a1fa92755baf45a23e5b8ad5aa",
            "prev_hash": "5a96b2e7e63d0466c279b064eda7d754784c4bd4c751ca2cb56458304cef04e9",
            "hash": "18a4a58f98e11986431adeb77cc0641a770f057293a552a7549c52d19a2ed1ce",
            "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": null
            }
        },
        {
            "version": 11,
            "recorded_at": "2026-11-01T00:45:53Z",
            "content": "{\"cpv\": \"09310000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\", \"buyer\": \"Katowickie Inwestycje S.A.\", \"title\": \"Analiza zakupu energii elektrycznej dla członków Katowickiego Klastra Energii\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3851498\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-24T03:35:11Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3851498/analiza-zakupu-energii-elektrycznej-dla-czlonkow-katowickiego-klastra-energii\"}",
            "content_hash": "b228ae770a77c91a12fdbc86accea6768b164e35ac382262cd58bfeb327bd603",
            "prev_hash": "18a4a58f98e11986431adeb77cc0641a770f057293a552a7549c52d19a2ed1ce",
            "hash": "575d48fa715caa77e2e44fad74db7b275cb6efd71100f287bf900b1087e64ea0",
            "actor": null,
            "seal": null
        }
    ]
}