{
    "tender_id": 4138605,
    "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": "2026-10-30T13:43:33Z",
            "content": "{\"cpv\": \"38540000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863907/dostawa-zawor-ww-1-tem-2-m-62\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA ZAWÓR WW-1 TEM-2, M-62\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863907\", \"deadline_at\": \"2026-11-04T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:43:34Z\"}",
            "content_hash": "16cfb4827a2be87b65ceaea4bbfb91c2bb2182a49be5afe6dd8d8bf5a99d145d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "fb3be1794c1040d6e2b027c2ac714302bf74508bdfbdb0107176e65be7ee6cdc",
            "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": "2026-10-30T15:31:08Z",
            "content": "{\"cpv\": \"38540000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863907/dostawa-zawor-ww-1-tem-2-m-62\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA ZAWÓR WW-1 TEM-2, M-62\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863907\", \"deadline_at\": \"2026-11-04T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:43:34Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128059\"}",
            "content_hash": "6fecd84645af5eaeb352831e5c4c1fe9d0fff19493d966f14e178490699db3a3",
            "prev_hash": "fb3be1794c1040d6e2b027c2ac714302bf74508bdfbdb0107176e65be7ee6cdc",
            "hash": "9234b52ce67d39b78c0a62d14a678f809d15a0ee0fe1bc7f6e67b60459859b62",
            "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": "2026-10-30T20:45:18Z",
            "content": "{\"cpv\": \"38540000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863907/dostawa-zawor-ww-1-tem-2-m-62\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA ZAWÓR WW-1 TEM-2, M-62\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863907\", \"deadline_at\": \"2026-11-04T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:43:34Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863907/dostawa-zawor-ww-1-tem-2-m-62\"}",
            "content_hash": "34d482d100300601c3ced16fef7dd2764d56cee61a88d91825dd1c17612339cb",
            "prev_hash": "9234b52ce67d39b78c0a62d14a678f809d15a0ee0fe1bc7f6e67b60459859b62",
            "hash": "ae09cbee73dbc3868159918ecfac42c7e2696a7deb599457e65b5909c85c2bde",
            "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": 4,
            "recorded_at": "2026-10-31T04:45:47Z",
            "content": "{\"cpv\": \"38540000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863907/dostawa-zawor-ww-1-tem-2-m-62\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA ZAWÓR WW-1 TEM-2, M-62\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863907\", \"deadline_at\": \"2026-11-04T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:43:34Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128059\"}",
            "content_hash": "6fecd84645af5eaeb352831e5c4c1fe9d0fff19493d966f14e178490699db3a3",
            "prev_hash": "ae09cbee73dbc3868159918ecfac42c7e2696a7deb599457e65b5909c85c2bde",
            "hash": "2657fbfd1a7645ffd8c038543c7fb998e5a711600cc514c0e40ba41e7d17c586",
            "actor": null,
            "seal": null
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T10:46:11Z",
            "content": "{\"cpv\": \"38540000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863907/dostawa-zawor-ww-1-tem-2-m-62\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA ZAWÓR WW-1 TEM-2, M-62\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863907\", \"deadline_at\": \"2026-11-04T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:43:34Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863907/dostawa-zawor-ww-1-tem-2-m-62\"}",
            "content_hash": "34d482d100300601c3ced16fef7dd2764d56cee61a88d91825dd1c17612339cb",
            "prev_hash": "2657fbfd1a7645ffd8c038543c7fb998e5a711600cc514c0e40ba41e7d17c586",
            "hash": "121e91fbca112ad2bd479cfd354c818da669af90d51bb087e7b5e1bdf11c616b",
            "actor": null,
            "seal": null
        },
        {
            "version": 6,
            "recorded_at": "2026-10-31T17:45:46Z",
            "content": "{\"cpv\": \"38540000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863907/dostawa-zawor-ww-1-tem-2-m-62\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA ZAWÓR WW-1 TEM-2, M-62\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863907\", \"deadline_at\": \"2026-11-04T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:43:34Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128059\"}",
            "content_hash": "6fecd84645af5eaeb352831e5c4c1fe9d0fff19493d966f14e178490699db3a3",
            "prev_hash": "121e91fbca112ad2bd479cfd354c818da669af90d51bb087e7b5e1bdf11c616b",
            "hash": "ce26682e8abbda3b0791b379e9f9fc7736e3c72ef3025fa942b69860b81e3d49",
            "actor": null,
            "seal": null
        }
    ]
}