{
    "tender_id": 6412463,
    "check": {
        "ok": true,
        "versions": 6,
        "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": "2026-11-10T18:36:34Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1407386\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na taśmę\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407386\", \"deadline_at\": \"2026-11-16T10:14:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:14:00Z\", \"notice_number\": \"1407386\"}",
            "content_hash": "90a6aacac373c26aac747570a159f9ce007a12664246dcb8236cf57b4b4b8c1b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "39a2ca83cec3327f07273029e643db6e4642e6386248b46326087af4effe9a50",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-10T18:45:33Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1407386\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na taśmę\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407386\", \"deadline_at\": \"2026-11-16T10:14:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:14:00Z\", \"notice_number\": \"1407386\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3880129/prosba-o-oferte-na-tasme-podajnika\"}",
            "content_hash": "7f7382f9f3697916e614b61d998f3878f8657eeeac98bf76b285e3223b91aeea",
            "prev_hash": "39a2ca83cec3327f07273029e643db6e4642e6386248b46326087af4effe9a50",
            "hash": "6372ca11873860b550cf80e804bb8c273de79602bffc784062e0064a8db54dec",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-10T19:41:07Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1407386\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na taśmę\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407386\", \"deadline_at\": \"2026-11-16T10:14:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:14:00Z\", \"notice_number\": \"1407386\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1407386\"}",
            "content_hash": "052e8880af7f1c32bb2d06bd4de4716b4f76b69c7f6df9654285e921c10fd8aa",
            "prev_hash": "6372ca11873860b550cf80e804bb8c273de79602bffc784062e0064a8db54dec",
            "hash": "551310afbac1b619c98a6e604e429cbae19ab5bc993dd03f69dbb6b36efbaf89",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-10T22:45:22Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1407386\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na taśmę\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407386\", \"deadline_at\": \"2026-11-16T10:14:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:14:00Z\", \"notice_number\": \"1407386\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888037/prosba-o-oferte-na-tasme\"}",
            "content_hash": "150dc281b7f2ee72ffba0e2480faee54eace4d7855da94b5bcbc8776b7dffc6a",
            "prev_hash": "551310afbac1b619c98a6e604e429cbae19ab5bc993dd03f69dbb6b36efbaf89",
            "hash": "c1feccd523ed486958193e765fd56468c666f3258512f0b449ef8f28719c6476",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-11T16:45:46Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1407386\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na taśmę\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407386\", \"deadline_at\": \"2026-11-16T10:14:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:14:00Z\", \"notice_number\": \"1407386\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1407386\"}",
            "content_hash": "052e8880af7f1c32bb2d06bd4de4716b4f76b69c7f6df9654285e921c10fd8aa",
            "prev_hash": "c1feccd523ed486958193e765fd56468c666f3258512f0b449ef8f28719c6476",
            "hash": "fea216d8380037f2b77772444bcfa8ea143a154d2e8042feda8ad7546650cd19",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-11-12T05:46:05Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1407386\", \"buyer\": \"Kayser Automotive Systems Kłodzko Sp. z o.o.\", \"title\": \"Prośba o ofertę na taśmę\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1407386\", \"deadline_at\": \"2026-11-16T10:14:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-10T10:14:00Z\", \"notice_number\": \"1407386\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888037/prosba-o-oferte-na-tasme\"}",
            "content_hash": "150dc281b7f2ee72ffba0e2480faee54eace4d7855da94b5bcbc8776b7dffc6a",
            "prev_hash": "fea216d8380037f2b77772444bcfa8ea143a154d2e8042feda8ad7546650cd19",
            "hash": "7b6446f9f581bfe70dae87d77e6a5fddc57ef8d06cb52b085eb89a9fe4590bda",
            "actor": null,
            "seal": null
        }
    ]
}