{
    "tender_id": 4059534,
    "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": "2026-10-30T01:35:24Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862071/zakup-i-dostawa-infrastuktura-kolejowa-300-elementow\", \"buyer\": \"Grupa Azoty Kopalnie i Zakłady Chemiczne Siarki Siarkopol S.A.\", \"title\": \"Zakup i dostawa infrastuktura kolejowa - 300 elementów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862071\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T01:35:25Z\"}",
            "content_hash": "8088d68e55e20b852e98070eacdc8002af8f5e2a9659bfbfd1a4550f98eb20e8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9e50206988531f208b663e6620867e201069296dcaa831c6f2690e6c3fcd19bb",
            "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": 2,
            "recorded_at": "2026-10-30T01:45:36Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862071/zakup-i-dostawa-infrastuktura-kolejowa-300-elementow\", \"buyer\": \"Grupa Azoty Kopalnie i Zakłady Chemiczne Siarki Siarkopol S.A.\", \"title\": \"Zakup i dostawa infrastuktura kolejowa - 300 elementów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862071\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T01:35:25Z\", \"procedure_url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670142,f062dd49e558a1d2a144e702b7c8d1c5.html\"}",
            "content_hash": "d99ffc7e6c6702a5dd221074890ac0a8351722a6d4d28e687a42f5a92b7c659c",
            "prev_hash": "9e50206988531f208b663e6620867e201069296dcaa831c6f2690e6c3fcd19bb",
            "hash": "0b4fb040cf83ffc350f276c466f95ee772ab770b42f3da2c489ae638ecf9427c",
            "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": 3,
            "recorded_at": "2026-10-31T23:24:44Z",
            "content": "{\"cpv\": \"32420000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862071/zakup-i-dostawa-infrastuktura-kolejowa-300-elementow\", \"buyer\": \"Grupa Azoty Kopalnie i Zakłady Chemiczne Siarki Siarkopol S.A.\", \"title\": \"Zakup i dostawa infrastuktura kolejowa - 300 elementów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862071\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T01:35:25Z\", \"procedure_url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670142,f062dd49e558a1d2a144e702b7c8d1c5.html\"}",
            "content_hash": "ad89e9363edadda358965ba3bbd20e3bc5e03acc5815e165e47567b4e1790d9f",
            "prev_hash": "0b4fb040cf83ffc350f276c466f95ee772ab770b42f3da2c489ae638ecf9427c",
            "hash": "1b4f50b07d35ebf7f74f19538799818f5c4c60acc93e0456b37cf51bd1136419",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": null
            }
        }
    ]
}