{
    "tender_id": 5408553,
    "check": {
        "ok": true,
        "versions": 5,
        "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/3876460/dostawa-srodkow-czystosci\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Dostawa środków czystości\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876460\", \"deadline_at\": \"2026-11-09T10:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:26Z\"}",
            "content_hash": "fac790028be1ed605af84564c417ec30a00c60d0707c7a795f73c439cf364c82",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8d074cf9bf00708e61bde2290f77af5d048624723c47449fa445c08b06050cef",
            "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/3876460/dostawa-srodkow-czystosci\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Dostawa środków czystości\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876460\", \"deadline_at\": \"2026-11-09T10:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:26Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876460/dostawa-srodkow-czystosci\"}",
            "content_hash": "6178193460514033bdc4a4f4430cc37be3fea3d55284da9fc1eb00994ecbab51",
            "prev_hash": "8d074cf9bf00708e61bde2290f77af5d048624723c47449fa445c08b06050cef",
            "hash": "dda1805923389cd5d750c1b351fb8d56a19163709acd04190d7836bfff50ea38",
            "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": "2026-11-08T08:47:31Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876460/dostawa-srodkow-czystosci\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Dostawa środków czystości\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876460\", \"deadline_at\": \"2026-11-09T10:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:26Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1404569\"}",
            "content_hash": "5f9f30c8f0ada93a1c1f46cc49ef85b6db92745012e7c0d282eea4bca4af3ccf",
            "prev_hash": "dda1805923389cd5d750c1b351fb8d56a19163709acd04190d7836bfff50ea38",
            "hash": "008f550f48f01a67c1011e5ea76b7cbd17f6c2823572bea1549e60c7a0b40fb6",
            "actor": null,
            "seal": {
                "id": 16,
                "digest": "72f8a05824ed8e52a6b46652732fcf18b4e959a25ba079607d2201da248317e1",
                "file": "https://tenderiq.pl/rejestr/pieczec-16.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-16.txt.ots",
                "bitcoin_block": 975121
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-08T16:45:46Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876460/dostawa-srodkow-czystosci\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Dostawa środków czystości\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876460\", \"deadline_at\": \"2026-11-09T10:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:26Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876460/dostawa-srodkow-czystosci\"}",
            "content_hash": "6178193460514033bdc4a4f4430cc37be3fea3d55284da9fc1eb00994ecbab51",
            "prev_hash": "008f550f48f01a67c1011e5ea76b7cbd17f6c2823572bea1549e60c7a0b40fb6",
            "hash": "1dd51a04b28527fb74c60396cda0b8fa29fe6321dbf99877a3da5cdbf8845a0f",
            "actor": null,
            "seal": {
                "id": 16,
                "digest": "72f8a05824ed8e52a6b46652732fcf18b4e959a25ba079607d2201da248317e1",
                "file": "https://tenderiq.pl/rejestr/pieczec-16.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-16.txt.ots",
                "bitcoin_block": 975121
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-08T23:38:22Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876460/dostawa-srodkow-czystosci\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"Dostawa środków czystości\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876460\", \"deadline_at\": \"2026-11-09T10:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:26Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1404569\"}",
            "content_hash": "5f9f30c8f0ada93a1c1f46cc49ef85b6db92745012e7c0d282eea4bca4af3ccf",
            "prev_hash": "1dd51a04b28527fb74c60396cda0b8fa29fe6321dbf99877a3da5cdbf8845a0f",
            "hash": "61a6073f5c68e90701b94dd8577b33cbba8b3948dbcfd7d1a7cf27b82a7db1da",
            "actor": null,
            "seal": {
                "id": 17,
                "digest": "ff8cb03aa08e7c772155df1b20fd8d51c1cab7cd026d5e31aa3d74d6ab70c7b2",
                "file": "https://tenderiq.pl/rejestr/pieczec-17.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-17.txt.ots",
                "bitcoin_block": 975226
            }
        }
    ]
}