{
    "tender_id": 5678049,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-11-06T20:01:50Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://platformazakupowa.pl/transakcja/1405951\", \"buyer\": \"Szkoła Policji w Pile\", \"title\": \"P 628/2026 Materiały medyczne.\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1405951\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T13:42:00Z\", \"notice_number\": \"1405951\"}",
            "content_hash": "2ec22f6f5799e32b3531099c6d97c53c69ae859935b67bc3acc1de18a6ba5d7f",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8b202644b130c5ae70e7f353a725bd943b955c661189ccd4ef0c4899e246399f",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-06T20:45:41Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://platformazakupowa.pl/transakcja/1405951\", \"buyer\": \"Szkoła Policji w Pile\", \"title\": \"P 628/2026 Materiały medyczne.\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1405951\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T13:42:00Z\", \"notice_number\": \"1405951\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3880956/materialy-medyczne-\"}",
            "content_hash": "0ac00aff2141e53ef3ea144a7a95770711a212aeebfd4c152e3eb01fee5e57fb",
            "prev_hash": "8b202644b130c5ae70e7f353a725bd943b955c661189ccd4ef0c4899e246399f",
            "hash": "0d821849400053dd28e80bdeb2eece44c1e76a27e70be36f6a96f67884105b7d",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-08T08:47:09Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://platformazakupowa.pl/transakcja/1405951\", \"buyer\": \"Szkoła Policji w Pile\", \"title\": \"P 628/2026 Materiały medyczne.\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1405951\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T13:42:00Z\", \"notice_number\": \"1405951\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1405951\"}",
            "content_hash": "6ffde87c40532d4afe1d1def672bd3db0ef6fbbd12a74a2bddfcd7494059a434",
            "prev_hash": "0d821849400053dd28e80bdeb2eece44c1e76a27e70be36f6a96f67884105b7d",
            "hash": "36d78932c7fdc98fa56999c529c10137c33156d9a5481f5de35518f1c97ff87b",
            "actor": null,
            "seal": {
                "id": 16,
                "digest": "72f8a05824ed8e52a6b46652732fcf18b4e959a25ba079607d2201da248317e1",
                "file": "https://tenderiq.pl/rejestr/pieczec-16.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-16.txt.ots",
                "bitcoin_block": 975121
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-08T16:46:04Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://platformazakupowa.pl/transakcja/1405951\", \"buyer\": \"Szkoła Policji w Pile\", \"title\": \"P 628/2026 Materiały medyczne.\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1405951\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T13:42:00Z\", \"notice_number\": \"1405951\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3880956/materialy-medyczne-\"}",
            "content_hash": "0ac00aff2141e53ef3ea144a7a95770711a212aeebfd4c152e3eb01fee5e57fb",
            "prev_hash": "36d78932c7fdc98fa56999c529c10137c33156d9a5481f5de35518f1c97ff87b",
            "hash": "57fd453c0e5b082d03a58167e99b2a50fe435d77acf6e3f5ed3e84a31f59c266",
            "actor": null,
            "seal": {
                "id": 16,
                "digest": "72f8a05824ed8e52a6b46652732fcf18b4e959a25ba079607d2201da248317e1",
                "file": "https://tenderiq.pl/rejestr/pieczec-16.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-16.txt.ots",
                "bitcoin_block": 975121
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-08T23:38:26Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://platformazakupowa.pl/transakcja/1405951\", \"buyer\": \"Szkoła Policji w Pile\", \"title\": \"P 628/2026 Materiały medyczne.\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1405951\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T13:42:00Z\", \"notice_number\": \"1405951\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1405951\"}",
            "content_hash": "6ffde87c40532d4afe1d1def672bd3db0ef6fbbd12a74a2bddfcd7494059a434",
            "prev_hash": "57fd453c0e5b082d03a58167e99b2a50fe435d77acf6e3f5ed3e84a31f59c266",
            "hash": "684fb502d30ee9e3a15d1cb0b86edabc0e7740260a3c46cf391fd1fee92660ce",
            "actor": null,
            "seal": {
                "id": 17,
                "digest": "ff8cb03aa08e7c772155df1b20fd8d51c1cab7cd026d5e31aa3d74d6ab70c7b2",
                "file": "https://tenderiq.pl/rejestr/pieczec-17.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-17.txt.ots",
                "bitcoin_block": 975226
            }
        }
    ]
}