{
    "tender_id": 5408544,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-11-05T12:21:25Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876470/srodki-czyszcace\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Środki czyszcące\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876470\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:25Z\"}",
            "content_hash": "677b6917f2b2d4d95cc9d808857dd9579eab6f29fae0ede41f6912587e8cae3f",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9a9cef6d9f21e4e2c9806892984ea84cd9ee129d2a92bbe3c0883ee881ec90db",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T19:45:38Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876470/srodki-czyszcace\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Środki czyszcące\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876470\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:25Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876470/srodki-czyszcace\"}",
            "content_hash": "6dc27f51820c7b630ff46cc345d35d519c132460ed6c3ff60f840226db43d51d",
            "prev_hash": "9a9cef6d9f21e4e2c9806892984ea84cd9ee129d2a92bbe3c0883ee881ec90db",
            "hash": "83fa76cced3d223b2559a2bb309cabcdefb8c626fe2fb59eec0dcc3271d1bbbc",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-08T08:47:03Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876470/srodki-czyszcace\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Środki czyszcące\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876470\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:25Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1404611\"}",
            "content_hash": "f9cb05b2abc20ac874d521b9fd5be10183a9131f0b6c1efa80686c9af64bc23b",
            "prev_hash": "83fa76cced3d223b2559a2bb309cabcdefb8c626fe2fb59eec0dcc3271d1bbbc",
            "hash": "4c821b7e8e48c516c9bdfe03924e8d6bdcda6ad4d62a61be95f7e42c8a7c368b",
            "actor": null,
            "seal": null
        },
        {
            "version": 4,
            "recorded_at": "2026-11-08T16:45:43Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876470/srodki-czyszcace\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Środki czyszcące\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876470\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:25Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876470/srodki-czyszcace\"}",
            "content_hash": "6dc27f51820c7b630ff46cc345d35d519c132460ed6c3ff60f840226db43d51d",
            "prev_hash": "4c821b7e8e48c516c9bdfe03924e8d6bdcda6ad4d62a61be95f7e42c8a7c368b",
            "hash": "cecfc8765f6110866bf3d8ed5eadf6f5d9b0156609afb36e871b0681fed49917",
            "actor": null,
            "seal": null
        }
    ]
}