{
    "tender_id": 3683354,
    "check": {
        "ok": true,
        "versions": 11,
        "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": "2026-10-27T23:22:17Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\"}",
            "content_hash": "42973e662d2fe731ee944c15efbdec32d4f43dcb7d27acd4230bdd13f538f492",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "66fe1f03d51885dc71572e7fba0d8e510a787e728fb75f3b84a99d713b45224f",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T03:33:57Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3842533/zakup-i-dostawa-magazynow-energii-powerbankow-solarnych\"}",
            "content_hash": "d1e00b4744f93606ccf9bbf5649ba6dd917bd24082a4b5f8b32c63b66e80b5e6",
            "prev_hash": "66fe1f03d51885dc71572e7fba0d8e510a787e728fb75f3b84a99d713b45224f",
            "hash": "aa54483d5677f8ec6cd92d8ff169318dfc8a5f644e9fbe188b50eda69cc8472c",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-28T22:45:56Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\"}",
            "content_hash": "97a99373ac96df8bd21a89e4dc75ac8a4676228e124eaa4a6012901f05e51679",
            "prev_hash": "aa54483d5677f8ec6cd92d8ff169318dfc8a5f644e9fbe188b50eda69cc8472c",
            "hash": "fe39d21a7bce4210c30ef3c56ce8949250179a3844b076cc91739b4f1322b1c2",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-29T05:45:35Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3842533/zakup-i-dostawa-magazynow-energii-powerbankow-solarnych\"}",
            "content_hash": "d1e00b4744f93606ccf9bbf5649ba6dd917bd24082a4b5f8b32c63b66e80b5e6",
            "prev_hash": "fe39d21a7bce4210c30ef3c56ce8949250179a3844b076cc91739b4f1322b1c2",
            "hash": "f7f4c10757997ae6744dac1821434928d716ccc87e6c8c61f18d33170c2742bf",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T04:45:50Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\"}",
            "content_hash": "97a99373ac96df8bd21a89e4dc75ac8a4676228e124eaa4a6012901f05e51679",
            "prev_hash": "f7f4c10757997ae6744dac1821434928d716ccc87e6c8c61f18d33170c2742bf",
            "hash": "3bc279d067b00356c57cf8d9e7ce78db5b1e7cbc17fb421babca20db7c027f42",
            "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": 974039
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-31T10:45:34Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3842533/zakup-i-dostawa-magazynow-energii-powerbankow-solarnych\"}",
            "content_hash": "d1e00b4744f93606ccf9bbf5649ba6dd917bd24082a4b5f8b32c63b66e80b5e6",
            "prev_hash": "3bc279d067b00356c57cf8d9e7ce78db5b1e7cbc17fb421babca20db7c027f42",
            "hash": "3c21a86fa1a8a88a318c9e4ade4583ebd99c16978d33d8f22b136b488f764b14",
            "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": 974039
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-10-31T17:45:19Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\"}",
            "content_hash": "97a99373ac96df8bd21a89e4dc75ac8a4676228e124eaa4a6012901f05e51679",
            "prev_hash": "3c21a86fa1a8a88a318c9e4ade4583ebd99c16978d33d8f22b136b488f764b14",
            "hash": "9302a11d04b05aae7364db0e9611d3c2412296e38efbf130611c3bb69f346e22",
            "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": 974039
            }
        },
        {
            "version": 8,
            "recorded_at": "2026-11-01T00:45:31Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3842533/zakup-i-dostawa-magazynow-energii-powerbankow-solarnych\"}",
            "content_hash": "d1e00b4744f93606ccf9bbf5649ba6dd917bd24082a4b5f8b32c63b66e80b5e6",
            "prev_hash": "9302a11d04b05aae7364db0e9611d3c2412296e38efbf130611c3bb69f346e22",
            "hash": "877be0f10703799b49940b8098e4ef393219700b73659f8546cd9019ed700d60",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 9,
            "recorded_at": "2026-11-01T06:45:31Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\"}",
            "content_hash": "97a99373ac96df8bd21a89e4dc75ac8a4676228e124eaa4a6012901f05e51679",
            "prev_hash": "877be0f10703799b49940b8098e4ef393219700b73659f8546cd9019ed700d60",
            "hash": "50f3782731c0b5fda0efc307c40f1418f98faab70166a796a0ad6ea22042d035",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 10,
            "recorded_at": "2026-11-02T01:45:48Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3842533/zakup-i-dostawa-magazynow-energii-powerbankow-solarnych\"}",
            "content_hash": "d1e00b4744f93606ccf9bbf5649ba6dd917bd24082a4b5f8b32c63b66e80b5e6",
            "prev_hash": "50f3782731c0b5fda0efc307c40f1418f98faab70166a796a0ad6ea22042d035",
            "hash": "e9055633658c977346f7a5d89791dec001c4718c56fb185ce1aa7ce52e3cb3b9",
            "actor": null,
            "seal": null
        },
        {
            "version": 11,
            "recorded_at": "2026-11-02T07:35:39Z",
            "content": "{\"cpv\": \"31158100\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\", \"buyer\": \"Miasto Stołeczne Warszawa\", \"title\": \"Zakup i dostawa magazynów energii powerbanków solarnych\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240607\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-20T11:27:00Z\", \"procedure_url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/240607/details\"}",
            "content_hash": "97a99373ac96df8bd21a89e4dc75ac8a4676228e124eaa4a6012901f05e51679",
            "prev_hash": "e9055633658c977346f7a5d89791dec001c4718c56fb185ce1aa7ce52e3cb3b9",
            "hash": "6a32da60af25962424d35c8b1c85e6193657b9a06470ac84a28dd125a9a0f1a9",
            "actor": null,
            "seal": null
        }
    ]
}