{
    "tender_id": 3439401,
    "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": "2026-10-26T20:19:41Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\"}",
            "content_hash": "f4ff63b73ca8cf7e230c3adfff9b18ca5a784d1704f9f1dc26a6ec0b6044afc9",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1dae945e3b6f5b42a0e5ca1954e036013354d109f3ddeae0c8c78e66f2611d52",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T23:36:09Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853512/-remont-zatoki-autobusowej-w-ciagu-drogi-powiatowej-1508c-ul-centralna-w-osielsku-na-wys-pos-nr-9-\"}",
            "content_hash": "b5a994c8a8ecd05932d522183e6956fdd5d037e7746df7f7e7084160f3a46cec",
            "prev_hash": "1dae945e3b6f5b42a0e5ca1954e036013354d109f3ddeae0c8c78e66f2611d52",
            "hash": "aec597907a7f674bee3701e5ac877d899c8da77d8bb062ec8879b6608a0b7e7b",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-28T22:45:39Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397853\"}",
            "content_hash": "f0bb567354d1686c112a376ddccd62fdb481dcd4d9b75641c17e85c638a86ed1",
            "prev_hash": "aec597907a7f674bee3701e5ac877d899c8da77d8bb062ec8879b6608a0b7e7b",
            "hash": "2620c502e3b7302ce61d2d1c0ea61ed3d5a92737bed949d4c65d2cbf88270ad5",
            "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": "2026-10-29T05:45:58Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853512/-remont-zatoki-autobusowej-w-ciagu-drogi-powiatowej-1508c-ul-centralna-w-osielsku-na-wys-pos-nr-9-\"}",
            "content_hash": "b5a994c8a8ecd05932d522183e6956fdd5d037e7746df7f7e7084160f3a46cec",
            "prev_hash": "2620c502e3b7302ce61d2d1c0ea61ed3d5a92737bed949d4c65d2cbf88270ad5",
            "hash": "50271ed869b87814ed1f05c81f4b508158578a1fac3a0b69cb16ff9ad0d1ed3e",
            "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": "2026-10-31T04:45:45Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397853\"}",
            "content_hash": "f0bb567354d1686c112a376ddccd62fdb481dcd4d9b75641c17e85c638a86ed1",
            "prev_hash": "50271ed869b87814ed1f05c81f4b508158578a1fac3a0b69cb16ff9ad0d1ed3e",
            "hash": "6d7194acb5492ba0fbae4a30ade2e198f4331db155009d56026f0ff8f4d4f19e",
            "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": "2026-10-31T10:46:00Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853512/-remont-zatoki-autobusowej-w-ciagu-drogi-powiatowej-1508c-ul-centralna-w-osielsku-na-wys-pos-nr-9-\"}",
            "content_hash": "b5a994c8a8ecd05932d522183e6956fdd5d037e7746df7f7e7084160f3a46cec",
            "prev_hash": "6d7194acb5492ba0fbae4a30ade2e198f4331db155009d56026f0ff8f4d4f19e",
            "hash": "0c053f428c7104e9755081d2239192b8b362eef40df0768ef596f5c841597709",
            "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": "2026-10-31T17:45:41Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397853\"}",
            "content_hash": "f0bb567354d1686c112a376ddccd62fdb481dcd4d9b75641c17e85c638a86ed1",
            "prev_hash": "0c053f428c7104e9755081d2239192b8b362eef40df0768ef596f5c841597709",
            "hash": "4315933a749a6fcbd0bd2dca06b1ee58797ee013b0c67ae20e23fa4c30885749",
            "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": "2026-11-01T00:45:50Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853512/-remont-zatoki-autobusowej-w-ciagu-drogi-powiatowej-1508c-ul-centralna-w-osielsku-na-wys-pos-nr-9-\"}",
            "content_hash": "b5a994c8a8ecd05932d522183e6956fdd5d037e7746df7f7e7084160f3a46cec",
            "prev_hash": "4315933a749a6fcbd0bd2dca06b1ee58797ee013b0c67ae20e23fa4c30885749",
            "hash": "94085c8ec56743895bf336b19319307fb57eee1c3700dc066f27181cf9fec7c6",
            "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": "2026-11-01T06:45:50Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397853\"}",
            "content_hash": "f0bb567354d1686c112a376ddccd62fdb481dcd4d9b75641c17e85c638a86ed1",
            "prev_hash": "94085c8ec56743895bf336b19319307fb57eee1c3700dc066f27181cf9fec7c6",
            "hash": "90c1dfcf482fce6169a2db7b334473d41ff12cfede59b5ec2e13609f51f87dc0",
            "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": "2026-11-02T01:45:40Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853512/-remont-zatoki-autobusowej-w-ciagu-drogi-powiatowej-1508c-ul-centralna-w-osielsku-na-wys-pos-nr-9-\"}",
            "content_hash": "b5a994c8a8ecd05932d522183e6956fdd5d037e7746df7f7e7084160f3a46cec",
            "prev_hash": "90c1dfcf482fce6169a2db7b334473d41ff12cfede59b5ec2e13609f51f87dc0",
            "hash": "fd814221366564fe658e96dc51757af59844f40d27322bc09ff3383d6d6db99b",
            "actor": null,
            "seal": null
        },
        {
            "version": 11,
            "recorded_at": "2026-11-02T07:35:33Z",
            "content": "{\"cpv\": \"45233142\", \"url\": \"https://platformazakupowa.pl/transakcja/1397853\", \"buyer\": \"Powiat Bydgoski\", \"title\": \"PT-II.430.4.2026 ,,Remont zatoki autobusowej w ciągu drogi powiatowej 1508C, ul. Centralna w Osielsku (na wys. pos. nr 9)\\\".\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45233220\", \"45111200\"], \"location\": \"Polska\", \"source_id\": \"1397853\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:29:00Z\", \"notice_number\": \"1397853\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397853\"}",
            "content_hash": "f0bb567354d1686c112a376ddccd62fdb481dcd4d9b75641c17e85c638a86ed1",
            "prev_hash": "fd814221366564fe658e96dc51757af59844f40d27322bc09ff3383d6d6db99b",
            "hash": "5e9446a804c1f387ab744a36d3414d5257e93156bf2595a698cea3e912167d32",
            "actor": null,
            "seal": null
        }
    ]
}