{
    "tender_id": 4768532,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-11-02T12:26:35Z",
            "content": "{\"cpv\": \"55321000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38d2-71ab-f5b7-e2d6-6b000120c703\", \"buyer\": \"Szkoła Podstawowa nr 26 im. Z. Lubertowicza\", \"title\": \"„Świadczenie usług cateringowych polegających na przygotowaniu i dostarczeniu posiłków dla Szkoły Podstawowej nr 26 w Bielsku-Białej”\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Bielsko-Biała, śląskie\", \"buyer_nip\": \"9372012263\", \"source_id\": \"2026/BZP 00516083/01\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T11:14:21Z\", \"notice_number\": \"2026/BZP 00516083/01\"}",
            "content_hash": "42df3c4ddf2103a4745473597eb2c25538ff2f8b693c8408ac205a9697d093a6",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "769fb4838b0f260b12a3aef2f1c157a71fb53895c303c4040048cde2e42bfff0",
            "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": 2,
            "recorded_at": "2026-11-02T16:45:19Z",
            "content": "{\"cpv\": \"55321000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38d2-71ab-f5b7-e2d6-6b000120c703\", \"buyer\": \"Szkoła Podstawowa nr 26 im. Z. Lubertowicza\", \"title\": \"„Świadczenie usług cateringowych polegających na przygotowaniu i dostarczeniu posiłków dla Szkoły Podstawowej nr 26 w Bielsku-Białej”\", \"region\": \"slaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Bielsko-Biała, śląskie\", \"buyer_nip\": \"9372012263\", \"source_id\": \"2026/BZP 00516083/01\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T11:14:21Z\", \"notice_number\": \"2026/BZP 00516083/01\", \"procedure_url\": \"https://um-bielsko.logintrade.net/zapytania_email,244092,0a5cfd93089d05dd37e20a1d78f3f6fd.html\"}",
            "content_hash": "88d01283fe84780a08002689ec26fd4da17b30a36f72bcf2a5d7f57db272ae9a",
            "prev_hash": "769fb4838b0f260b12a3aef2f1c157a71fb53895c303c4040048cde2e42bfff0",
            "hash": "f08237c5576ef77addf9878872b43ef32f1fd0a472926dc225411b0b08b199e7",
            "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
            }
        }
    ]
}