{
    "tender_id": 3938746,
    "check": {
        "ok": true,
        "versions": 13,
        "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": "2026-10-29T13:17:12Z",
            "content": "{\"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\"}",
            "content_hash": "bd57a2a7f515a6fcca8c15793a1092e318a94b75976e765d2ad3c66cbafcd3a6",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "15ba6c0b0af6c207d8b8bb2bd434a6018b85578b661a83a13fd1d39003c5822e",
            "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": 2,
            "recorded_at": "2026-10-29T14:20:18Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"buyer_nip\": \"5252094598\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\"}",
            "content_hash": "052889d665f41174adeca3fbc4cc17d291020904238d5ad8db478b4ea7d2ccad",
            "prev_hash": "15ba6c0b0af6c207d8b8bb2bd434a6018b85578b661a83a13fd1d39003c5822e",
            "hash": "c1d03fe94dfa09603f1f488aecdd9dd745aa06d2763f6545486f08a4942ac8d4",
            "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": 3,
            "recorded_at": "2026-10-29T15:45:25Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"buyer_nip\": \"5252094598\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "d597a8c82069487ec17e8cd16b00926c43ea67f0b9223d4c43f8d4b2129b6b7c",
            "prev_hash": "c1d03fe94dfa09603f1f488aecdd9dd745aa06d2763f6545486f08a4942ac8d4",
            "hash": "5e0ea0debf21e16a44e11a5b3dfe2e1cb32899e0a9581e2a92d9d8d1bbf3ca3e",
            "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": "2026-10-29T17:25:25Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "2cbebb124fedb5bca6732e491509315de76c4eaf2c8b2d243f4c8955dbda2a10",
            "prev_hash": "5e0ea0debf21e16a44e11a5b3dfe2e1cb32899e0a9581e2a92d9d8d1bbf3ca3e",
            "hash": "100200bbfe135a20ca92b1b2eb2daf625707a8fb3b880aee152818db2fa78520",
            "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": "2026-10-29T20:31:13Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"buyer_nip\": \"5252094598\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "d597a8c82069487ec17e8cd16b00926c43ea67f0b9223d4c43f8d4b2129b6b7c",
            "prev_hash": "100200bbfe135a20ca92b1b2eb2daf625707a8fb3b880aee152818db2fa78520",
            "hash": "0221ad74cac0850a74c17a6b1d1a067cdc313c4267d814d29037692b0f2d0c3c",
            "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": 6,
            "recorded_at": "2026-10-30T11:54:34Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "2cbebb124fedb5bca6732e491509315de76c4eaf2c8b2d243f4c8955dbda2a10",
            "prev_hash": "0221ad74cac0850a74c17a6b1d1a067cdc313c4267d814d29037692b0f2d0c3c",
            "hash": "5cf837ff7ec7a98fd8f51206f434359861a31d1d56fda5b6cc066b919a3621f6",
            "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": 7,
            "recorded_at": "2026-10-30T13:00:04Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"buyer_nip\": \"5252094598\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "d597a8c82069487ec17e8cd16b00926c43ea67f0b9223d4c43f8d4b2129b6b7c",
            "prev_hash": "5cf837ff7ec7a98fd8f51206f434359861a31d1d56fda5b6cc066b919a3621f6",
            "hash": "70b4579ff7d42d433c11f098ed386db793348d768f12a822c38142d332db3f34",
            "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": 8,
            "recorded_at": "2026-10-30T15:12:53Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "2cbebb124fedb5bca6732e491509315de76c4eaf2c8b2d243f4c8955dbda2a10",
            "prev_hash": "70b4579ff7d42d433c11f098ed386db793348d768f12a822c38142d332db3f34",
            "hash": "5c6dfead127ba3a353f3d2f67945a3417a5179e439615c6a0ba6316707527bb8",
            "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": 9,
            "recorded_at": "2026-10-30T16:18:54Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"buyer_nip\": \"5252094598\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "d597a8c82069487ec17e8cd16b00926c43ea67f0b9223d4c43f8d4b2129b6b7c",
            "prev_hash": "5c6dfead127ba3a353f3d2f67945a3417a5179e439615c6a0ba6316707527bb8",
            "hash": "24387fe9b50414b376bd3b242dde405cb88cff64f795a71fcfb7bfb16c226408",
            "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": 10,
            "recorded_at": "2026-10-30T17:24:50Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "2cbebb124fedb5bca6732e491509315de76c4eaf2c8b2d243f4c8955dbda2a10",
            "prev_hash": "24387fe9b50414b376bd3b242dde405cb88cff64f795a71fcfb7bfb16c226408",
            "hash": "0d63bfa45de2b305a802bc10eaaf47e75cf7fcc5e0657db67a34fff84ef81e6f",
            "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": 11,
            "recorded_at": "2026-10-30T18:33:46Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"buyer_nip\": \"5252094598\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "d597a8c82069487ec17e8cd16b00926c43ea67f0b9223d4c43f8d4b2129b6b7c",
            "prev_hash": "0d63bfa45de2b305a802bc10eaaf47e75cf7fcc5e0657db67a34fff84ef81e6f",
            "hash": "b98c0cd18cf6577598c3d36dd61c49775ed3e9f85dd3086d6cc2b9f94df12cdf",
            "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": 12,
            "recorded_at": "2026-10-31T00:06:11Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "2cbebb124fedb5bca6732e491509315de76c4eaf2c8b2d243f4c8955dbda2a10",
            "prev_hash": "b98c0cd18cf6577598c3d36dd61c49775ed3e9f85dd3086d6cc2b9f94df12cdf",
            "hash": "309fe6346f9b5a7a73c3c2143a8021f62593426401facecf23782b15a231254f",
            "actor": null,
            "seal": null
        },
        {
            "version": 13,
            "recorded_at": "2026-10-31T01:11:10Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35b8-d628-11cf-cfcf-e60001c06520\", \"buyer\": \"SZPITAL KLINICZNY IM. KS ANNY MAZOWIECKIEJ\", \"title\": \"DOSTAWY SPRZĘTU LABORATORYJNEGO\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"33793000\"], \"location\": \"Warszawa, mazowieckie\", \"buyer_nip\": \"5252094598\", \"source_id\": \"2026/BZP 00509317/01\", \"deadline_at\": \"2026-11-10T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:33:29Z\", \"notice_number\": \"2026/BZP 00509317/01\", \"procedure_url\": \"https://szpitalkarowa.ezamawiajacy.pl/pn/szpitalkarowa/demand/notice/public/241052/details\"}",
            "content_hash": "d597a8c82069487ec17e8cd16b00926c43ea67f0b9223d4c43f8d4b2129b6b7c",
            "prev_hash": "309fe6346f9b5a7a73c3c2143a8021f62593426401facecf23782b15a231254f",
            "hash": "33955ea04efed61c1a1d3834a744ecf798037ed4010a85bb27acc3180a7319c6",
            "actor": null,
            "seal": null
        }
    ]
}