{
    "tender_id": 4222922,
    "check": {
        "ok": true,
        "versions": 7,
        "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": "2026-10-30T21:43:53Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\", \"buyer\": \"Zakład Komunalny \\\"PGM\\\"\", \"title\": \"Świadczenie usług pocztowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864427\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:54Z\"}",
            "content_hash": "7e6adc0ba62024311d4b2e1f300fbe7a8c792bb73df922913ce752213b7f17aa",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "70ba91580fac74b4e399aaa98c2b3762e93d8d15570c908bcfbd819063c69c7e",
            "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": "2026-10-30T21:45:30Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\", \"buyer\": \"Zakład Komunalny \\\"PGM\\\"\", \"title\": \"Świadczenie usług pocztowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864427\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:54Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df369d-49fa-339b-e2d6-6b000120bada\"}",
            "content_hash": "afb0e758b5f59ed7c932b86213bdb268cc2274864e42b6d34dc40b3606906240",
            "prev_hash": "70ba91580fac74b4e399aaa98c2b3762e93d8d15570c908bcfbd819063c69c7e",
            "hash": "63889ab767d4eda7032a8402d38b217716cad7672a476d772237bd40e92e2e64",
            "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": "2026-10-30T23:33:03Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\", \"buyer\": \"Zakład Komunalny \\\"PGM\\\"\", \"title\": \"Świadczenie usług pocztowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864427\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:54Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\"}",
            "content_hash": "19a20ccb50111b0e6c6f64b9bb354b0eb7a23c03762a1b9bd8e06473ac2ce542",
            "prev_hash": "63889ab767d4eda7032a8402d38b217716cad7672a476d772237bd40e92e2e64",
            "hash": "c0a1a7638776ba6d4bd1b3a80a4b4712e00b06596ebf0b9f33cbc92ed4f7e608",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-31T04:45:41Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\", \"buyer\": \"Zakład Komunalny \\\"PGM\\\"\", \"title\": \"Świadczenie usług pocztowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864427\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:54Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df369d-49fa-339b-e2d6-6b000120bada\"}",
            "content_hash": "afb0e758b5f59ed7c932b86213bdb268cc2274864e42b6d34dc40b3606906240",
            "prev_hash": "c0a1a7638776ba6d4bd1b3a80a4b4712e00b06596ebf0b9f33cbc92ed4f7e608",
            "hash": "e0c29d0bcf913defeec1794d71ba9ff468d7110c2273eece0b373bf4c2595041",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T10:45:57Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\", \"buyer\": \"Zakład Komunalny \\\"PGM\\\"\", \"title\": \"Świadczenie usług pocztowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864427\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:54Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\"}",
            "content_hash": "19a20ccb50111b0e6c6f64b9bb354b0eb7a23c03762a1b9bd8e06473ac2ce542",
            "prev_hash": "e0c29d0bcf913defeec1794d71ba9ff468d7110c2273eece0b373bf4c2595041",
            "hash": "8278f3db97ba65b9078b9e4f55ef5a2521a7c111becc3975a8d3340f2bd3aa27",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-31T17:45:17Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\", \"buyer\": \"Zakład Komunalny \\\"PGM\\\"\", \"title\": \"Świadczenie usług pocztowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864427\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:54Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df369d-49fa-339b-e2d6-6b000120bada\"}",
            "content_hash": "afb0e758b5f59ed7c932b86213bdb268cc2274864e42b6d34dc40b3606906240",
            "prev_hash": "8278f3db97ba65b9078b9e4f55ef5a2521a7c111becc3975a8d3340f2bd3aa27",
            "hash": "2d99727b54ae8a8a57f389baa6f4090ef84da6efb4e7fd844c7cab02c807b6c4",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-11-01T00:45:34Z",
            "content": "{\"cpv\": \"64110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\", \"buyer\": \"Zakład Komunalny \\\"PGM\\\"\", \"title\": \"Świadczenie usług pocztowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864427\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:54Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864427/swiadczenie-uslug-pocztowych\"}",
            "content_hash": "19a20ccb50111b0e6c6f64b9bb354b0eb7a23c03762a1b9bd8e06473ac2ce542",
            "prev_hash": "2d99727b54ae8a8a57f389baa6f4090ef84da6efb4e7fd844c7cab02c807b6c4",
            "hash": "dd1801174d40c9a8dfe42b2dcc98e6c9610c36e997056abdcdda909946f5c15c",
            "actor": null,
            "seal": null
        }
    ]
}