{
    "tender_id": 6350920,
    "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": "2026-11-10T13:20:16Z",
            "content": "{\"cpv\": \"30100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887673/dostawa-rolek-termicznych-do-zebra-q521\", \"buyer\": \"Zakład Usług Wodnych dla Potrzeb Rolnictwa w Mławie\", \"title\": \"Dostawa rolek termicznych do ZEBRA Q521\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3887673\", \"deadline_at\": \"2026-11-17T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T13:20:17Z\"}",
            "content_hash": "e2273c99f1566d8e0b92cc15166dfdd541731fa5e92be0d9a6571aeb9b349c73",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f6fdfe1c36e52ac64122e22730ce663d8d4f369a21013b94fc5cab4e3978394b",
            "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": "2026-11-10T19:41:05Z",
            "content": "{\"cpv\": \"30100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887673/dostawa-rolek-termicznych-do-zebra-q521\", \"buyer\": \"Zakład Usług Wodnych dla Potrzeb Rolnictwa w Mławie\", \"title\": \"Dostawa rolek termicznych do ZEBRA Q521\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3887673\", \"deadline_at\": \"2026-11-17T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T13:20:17Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1407161\"}",
            "content_hash": "fe129fe81c6e93314e27694f089a87216c024b15c6c9300e6f46676266e448f6",
            "prev_hash": "f6fdfe1c36e52ac64122e22730ce663d8d4f369a21013b94fc5cab4e3978394b",
            "hash": "fe15d9b6566e6153c7483af47f47f17e1a32a9c0ef03b4c7a40c3bc6d19b3a0c",
            "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": "2026-11-10T22:45:21Z",
            "content": "{\"cpv\": \"30100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887673/dostawa-rolek-termicznych-do-zebra-q521\", \"buyer\": \"Zakład Usług Wodnych dla Potrzeb Rolnictwa w Mławie\", \"title\": \"Dostawa rolek termicznych do ZEBRA Q521\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3887673\", \"deadline_at\": \"2026-11-17T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T13:20:17Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887673/dostawa-rolek-termicznych-do-zebra-q521\"}",
            "content_hash": "1439726eea9f544e34b17b68e3e541f699f10fe2320f1e6c1ffdf1600c7c1c4e",
            "prev_hash": "fe15d9b6566e6153c7483af47f47f17e1a32a9c0ef03b4c7a40c3bc6d19b3a0c",
            "hash": "dd305768fb2dbd17564cf4f629c5506a79e468b98d823b689cfa85b61bdb146b",
            "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": 4,
            "recorded_at": "2026-11-11T16:45:58Z",
            "content": "{\"cpv\": \"30100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887673/dostawa-rolek-termicznych-do-zebra-q521\", \"buyer\": \"Zakład Usług Wodnych dla Potrzeb Rolnictwa w Mławie\", \"title\": \"Dostawa rolek termicznych do ZEBRA Q521\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3887673\", \"deadline_at\": \"2026-11-17T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T13:20:17Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1407161\"}",
            "content_hash": "fe129fe81c6e93314e27694f089a87216c024b15c6c9300e6f46676266e448f6",
            "prev_hash": "dd305768fb2dbd17564cf4f629c5506a79e468b98d823b689cfa85b61bdb146b",
            "hash": "6483d3f0995b2cc42ae21299e3c59c93fcd6cbb2e9de8780f12807d6a5d21b48",
            "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": "2026-11-12T05:45:51Z",
            "content": "{\"cpv\": \"30100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887673/dostawa-rolek-termicznych-do-zebra-q521\", \"buyer\": \"Zakład Usług Wodnych dla Potrzeb Rolnictwa w Mławie\", \"title\": \"Dostawa rolek termicznych do ZEBRA Q521\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3887673\", \"deadline_at\": \"2026-11-17T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T13:20:17Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887673/dostawa-rolek-termicznych-do-zebra-q521\"}",
            "content_hash": "1439726eea9f544e34b17b68e3e541f699f10fe2320f1e6c1ffdf1600c7c1c4e",
            "prev_hash": "6483d3f0995b2cc42ae21299e3c59c93fcd6cbb2e9de8780f12807d6a5d21b48",
            "hash": "3009bbba8a28419434a057bef986f65c384a48174fd9ebdee196f7c40756314d",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-11-14T13:45:38Z",
            "content": "{\"cpv\": \"30100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887673/dostawa-rolek-termicznych-do-zebra-q521\", \"buyer\": \"Zakład Usług Wodnych dla Potrzeb Rolnictwa w Mławie\", \"title\": \"Dostawa rolek termicznych do ZEBRA Q521\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3887673\", \"deadline_at\": \"2026-11-17T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T13:20:17Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1407161\"}",
            "content_hash": "fe129fe81c6e93314e27694f089a87216c024b15c6c9300e6f46676266e448f6",
            "prev_hash": "3009bbba8a28419434a057bef986f65c384a48174fd9ebdee196f7c40756314d",
            "hash": "1fd5cf151a1d361220534cfd06c7e24a2c907170ab1a2ed45f5ccf3700411605",
            "actor": null,
            "seal": null
        }
    ]
}