{
    "tender_id": 4222562,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-30T21:20:47Z",
            "content": "{\"cpv\": \"77310000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401575\", \"buyer\": \"Urząd Miejski w Słubicach\", \"title\": \"ZP.271.42.2026.PG Nasadzenia na terenie Gminy Słubice (drzewa, rośliny ogrodowe, kwiaty).\", \"region\": \"lubuskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"77211600\", \"03121100\", \"03452000\"], \"location\": \"Polska\", \"source_id\": \"1401575\", \"deadline_at\": \"2026-11-10T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T21:20:54Z\", \"notice_number\": \"1401575\"}",
            "content_hash": "70f0ec0486bafd2e19a4602369ff12cc0d39166d6166afc73e2354bfab59e730",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9254c85c3f43f195154ee3fb3ac1ad4a49583264cb455a60256f30153b4b223a",
            "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": "2026-10-30T21:45:30Z",
            "content": "{\"cpv\": \"77310000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401575\", \"buyer\": \"Urząd Miejski w Słubicach\", \"title\": \"ZP.271.42.2026.PG Nasadzenia na terenie Gminy Słubice (drzewa, rośliny ogrodowe, kwiaty).\", \"region\": \"lubuskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"77211600\", \"03121100\", \"03452000\"], \"location\": \"Polska\", \"source_id\": \"1401575\", \"deadline_at\": \"2026-11-10T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T21:20:54Z\", \"notice_number\": \"1401575\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401575\"}",
            "content_hash": "b8dd6fb55643f69a5d0386bc48094d633d3405cfbf4c7417a70392b19f815dc2",
            "prev_hash": "9254c85c3f43f195154ee3fb3ac1ad4a49583264cb455a60256f30153b4b223a",
            "hash": "6d60fe1d661252f6a044cd622e10d564e928df1958a5bcae126edc9e83d573c5",
            "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": "2026-10-31T01:19:21Z",
            "content": "{\"cpv\": \"77310000\", \"url\": \"https://platformazakupowa.pl/transakcja/1401575\", \"buyer\": \"Urząd Miejski w Słubicach\", \"title\": \"ZP.271.42.2026.PG Nasadzenia na terenie Gminy Słubice (drzewa, rośliny ogrodowe, kwiaty).\", \"region\": \"lubuskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"77211600\", \"03121100\", \"03452000\"], \"location\": \"Polska\", \"source_id\": \"1401575\", \"deadline_at\": \"2026-11-10T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T23:00:00Z\", \"notice_number\": \"1401575\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401575\"}",
            "content_hash": "bd1182a54431a200c69377552807952fb95f29a6d86f6847ba279bf3c088185f",
            "prev_hash": "6d60fe1d661252f6a044cd622e10d564e928df1958a5bcae126edc9e83d573c5",
            "hash": "e3f75539e02078614cd56a38d34eaca49d71da9342fccf27b4489fa0166c373f",
            "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
            }
        }
    ]
}