{
    "tender_id": 4049121,
    "check": {
        "ok": true,
        "versions": 12,
        "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": "2026-10-30T00:07:57Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\"}",
            "content_hash": "9437c8b766e6be1441bfa41b2e47037fc2a417efa176f949250ccdd219e9b8ec",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a92d602697ab0757f7117338a3bfb60c63ca0f49b43bc5adc556c87b001c43d4",
            "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": "2026-10-30T01:45:38Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\"}",
            "content_hash": "154b6da076df6aeae19aee43bbd2e781e9b7d5b8e3d1af07938d6387ee456927",
            "prev_hash": "a92d602697ab0757f7117338a3bfb60c63ca0f49b43bc5adc556c87b001c43d4",
            "hash": "d49b9880a9b03fc694872eceb228c9f4fa8692dc2278fe108cc5f1fb31ff0207",
            "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": "2026-10-30T02:45:34Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3861690/cyberbezpieczne-wodociagi-w-gminie-cmolas\"}",
            "content_hash": "d740b78bf753ece96908dd17b11dd2d4b8da1ce0124b64982b452eac51f81051",
            "prev_hash": "d49b9880a9b03fc694872eceb228c9f4fa8692dc2278fe108cc5f1fb31ff0207",
            "hash": "24c3cab9738a0da4c4b16e11278c3fd194322d53f51044c5eb61086a37846251",
            "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": "2026-10-31T04:45:25Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\"}",
            "content_hash": "154b6da076df6aeae19aee43bbd2e781e9b7d5b8e3d1af07938d6387ee456927",
            "prev_hash": "24c3cab9738a0da4c4b16e11278c3fd194322d53f51044c5eb61086a37846251",
            "hash": "2df245491c47a27d6bb19a05ffda1d739b5723986b01fe9b9d8d46aeb5a96a9a",
            "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": 5,
            "recorded_at": "2026-10-31T10:45:53Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3861690/cyberbezpieczne-wodociagi-w-gminie-cmolas\"}",
            "content_hash": "d740b78bf753ece96908dd17b11dd2d4b8da1ce0124b64982b452eac51f81051",
            "prev_hash": "2df245491c47a27d6bb19a05ffda1d739b5723986b01fe9b9d8d46aeb5a96a9a",
            "hash": "22101a82ab57c0f7f3ecbd4fe9e84e1f105b40615a1e5ee336da58964b1f3202",
            "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": "2026-10-31T17:45:31Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\"}",
            "content_hash": "154b6da076df6aeae19aee43bbd2e781e9b7d5b8e3d1af07938d6387ee456927",
            "prev_hash": "22101a82ab57c0f7f3ecbd4fe9e84e1f105b40615a1e5ee336da58964b1f3202",
            "hash": "709652f924a7311e3be7f2c0d6b7d047fb9b2c46a330d942f964cb1d1da525c8",
            "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": "2026-11-01T00:45:51Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3861690/cyberbezpieczne-wodociagi-w-gminie-cmolas\"}",
            "content_hash": "d740b78bf753ece96908dd17b11dd2d4b8da1ce0124b64982b452eac51f81051",
            "prev_hash": "709652f924a7311e3be7f2c0d6b7d047fb9b2c46a330d942f964cb1d1da525c8",
            "hash": "f366e30892f8b505f91393ee07a9bda28b56937a2359d09f63cd2856f2ddd7a5",
            "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": 8,
            "recorded_at": "2026-11-01T06:45:21Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\"}",
            "content_hash": "154b6da076df6aeae19aee43bbd2e781e9b7d5b8e3d1af07938d6387ee456927",
            "prev_hash": "f366e30892f8b505f91393ee07a9bda28b56937a2359d09f63cd2856f2ddd7a5",
            "hash": "d0a25a990075e753258b60134e375fcd6742310a55ca064054f2e99fe217eed9",
            "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": "2026-11-02T01:45:49Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3861690/cyberbezpieczne-wodociagi-w-gminie-cmolas\"}",
            "content_hash": "d740b78bf753ece96908dd17b11dd2d4b8da1ce0124b64982b452eac51f81051",
            "prev_hash": "d0a25a990075e753258b60134e375fcd6742310a55ca064054f2e99fe217eed9",
            "hash": "7baf06d1e3de1e205f2c79f5e1dc3ad6dcbedc9a2edeb2b9d28cf037826586be",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 10,
            "recorded_at": "2026-11-02T07:35:50Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\"}",
            "content_hash": "154b6da076df6aeae19aee43bbd2e781e9b7d5b8e3d1af07938d6387ee456927",
            "prev_hash": "7baf06d1e3de1e205f2c79f5e1dc3ad6dcbedc9a2edeb2b9d28cf037826586be",
            "hash": "ca7a468552f0325638affdf6f25d953f104dc0452cf3b3864b40ce77a15fb9fb",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 11,
            "recorded_at": "2026-11-02T13:46:05Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3861690/cyberbezpieczne-wodociagi-w-gminie-cmolas\"}",
            "content_hash": "d740b78bf753ece96908dd17b11dd2d4b8da1ce0124b64982b452eac51f81051",
            "prev_hash": "ca7a468552f0325638affdf6f25d953f104dc0452cf3b3864b40ce77a15fb9fb",
            "hash": "16b30c421e10bf646534d2f4effedd447c705bcfa8216a62d31ec4941d5d9c90",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 12,
            "recorded_at": "2026-11-03T21:45:53Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\", \"buyer\": \"ZAKŁAD USŁUG KOMUNALNYCH W CMOLASIE\", \"title\": \"Cyberbezpieczne wodociągi w Gminie Cmolas\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [\"31154000\", \"32420000\", \"32424000\", \"48730000\", \"48732000\", \"48820000\", \"51611100\", \"72263000\", \"31120000\"], \"location\": \"Cała Polska\", \"source_id\": \"296529\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296529\"}",
            "content_hash": "154b6da076df6aeae19aee43bbd2e781e9b7d5b8e3d1af07938d6387ee456927",
            "prev_hash": "16b30c421e10bf646534d2f4effedd447c705bcfa8216a62d31ec4941d5d9c90",
            "hash": "cb2cd4b883ed06a445c4b077e7c3741232cda92d4dc8c6a30adc12d73c8e390c",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}