{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.infrastructure.delta-lake-current",
  "version": "1.0.0",
  "title": "Delta Lake current infrastructure boundary",
  "summary": "Official-source query, mutation, authorization, deployment, and interpretation boundaries for Delta Lake current infrastructure.",
  "content": {
    "kind": "infrastructure-boundary",
    "facts": [
      {
        "id": "fact.delta.delta-lake-current.role",
        "statement": "Delta Lake documents transactional batch table creation, reads, appends, overwrite, update, delete, merge, schema handling, and history.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.delta.delta-lake-current"
        ]
      },
      {
        "id": "fact.delta.delta-lake-current.read",
        "statement": "Snapshot reads and time travel are distinct from writes, vacuum, optimize, protocol upgrades, schema mutation, and table replacement.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.delta.delta-lake-current"
        ]
      },
      {
        "id": "fact.delta.delta-lake-current.write",
        "statement": "Object-store and catalog credentials, table permissions, retention policy, concurrent writers, engine version, and storage configuration bound operations.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.delta.delta-lake-current"
        ]
      },
      {
        "id": "fact.delta.delta-lake-current.boundary",
        "statement": "ACID table semantics do not prove source facts, cross-system transactions, complete reader compatibility, successful maintenance, or a secured deployment.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.delta.delta-lake-current"
        ]
      }
    ]
  },
  "language": "en",
  "category": "data-knowledge-infrastructure",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/data-knowledge-infrastructure/delta-lake-current.json",
  "contentHash": "sha256:f266925e004dfed70d6350e41068b6fd9d50fddb85b565a333877275a71197d7",
  "owner": {
    "id": "platos-kallipolis",
    "name": "Plato's Kallipolis",
    "type": "organization",
    "accountabilityUrl": "https://platoskallipolis.com/about"
  },
  "access": {
    "mode": "public",
    "url": "https://platoskallipolis.com/resources/data-knowledge-infrastructure/delta-lake-current.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.delta.delta-lake-current",
        "url": "https://docs.delta.io/latest/delta-batch.html",
        "title": "Delta Lake Batch Table Operations",
        "publisher": "Delta Lake",
        "observedAt": "2026-08-28T09:25:24Z"
      }
    ]
  },
  "observedAt": "2026-08-28T09:25:24Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-04T09:25:24Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://github.com/delta-io/delta/blob/master/LICENSE.txt",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.delta.delta-lake-current",
      "type": "source-claim",
      "url": "https://docs.delta.io/latest/delta-batch.html",
      "observedAt": "2026-08-28T09:25:24Z"
    }
  ]
}