{
    "tender_id": 4016230,
    "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": "2026-10-29T19:12:37Z",
            "content": "{\"cpv\": \"32420000\", \"url\": \"https://platformazakupowa.pl/transakcja/1400459\", \"buyer\": \"Śląska Sieć Metropolitalna Spółka z ograniczoną odpowiedzialnością\", \"title\": \"SSM/48/ZO/2026 Zakup oraz dostawa licencji dla urządzeń Firewall FortiGate 120G, FortiGate 40F, FortiGate 90G\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400459\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T10:29:00Z\", \"notice_number\": \"1400459\"}",
            "content_hash": "b4f78f7697217e6ceeeb8f8fa471d12e1db0c817c444f46f8096ae1b92b629c3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "118e3b14a6aa10df6736ff36436b548885df7db41296b9fb671e22e19fbd94f3",
            "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": 2,
            "recorded_at": "2026-10-29T19:46:03Z",
            "content": "{\"cpv\": \"32420000\", \"url\": \"https://platformazakupowa.pl/transakcja/1400459\", \"buyer\": \"Śląska Sieć Metropolitalna Spółka z ograniczoną odpowiedzialnością\", \"title\": \"SSM/48/ZO/2026 Zakup oraz dostawa licencji dla urządzeń Firewall FortiGate 120G, FortiGate 40F, FortiGate 90G\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400459\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T10:29:00Z\", \"notice_number\": \"1400459\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400459\"}",
            "content_hash": "33202019278c804b3a42df522cdffa31e7dca14affd30cc05ed1e7db31a8c6bf",
            "prev_hash": "118e3b14a6aa10df6736ff36436b548885df7db41296b9fb671e22e19fbd94f3",
            "hash": "091137e11541c36fd2abbd68ef08079a0d66ad73e622ca39c4e6bdaa16ee7288",
            "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
            }
        }
    ]
}