{
  "schema_version": 2,
  "snapshot_date": "2026-09-13",
  "snapshot_date_display": "13 September 2026",
  "status": "Research and formal specification; verification incomplete",
  "foundation_language": "Zig",
  "foundation_source": "TigerBeetle",
  "foundation_commit": "47aeb2212a255273dda508288412e537d11e4b7c",
  "inventory": [
    {
      "label": "TLA+ modules",
      "count": 125.0,
      "scope": "Authored foundation, resource and composed-system models."
    },
    {
      "label": "Model configurations",
      "count": 161.0,
      "scope": "Authored configurations for finite model-checking scenarios."
    }
  ],
  "inventory_by_group": [
    {
      "group": "foundation",
      "tla_modules": 28,
      "model_configurations": 40
    },
    {
      "group": "resources",
      "tla_modules": 17,
      "model_configurations": 21
    },
    {
      "group": "system",
      "tla_modules": 80,
      "model_configurations": 100
    }
  ],
  "formal_package_complete": false,
  "mira_engine_implementation_started": false,
  "implementation_conformance_attested": false,
  "production_release_qualified": false,
  "evidence_scope": [
    "Some bounded TLC runs have passed. Negative controls and reachability witnesses also exist.",
    "Checks include timeouts and stale results. Supplemental evidence is not yet fully consolidated.",
    "File counts are not passing-check counts, coverage measurements or a completion certificate.",
    "Full composition, native ABI and cryptographic obligations, and implementation refinement remain open."
  ],
  "supersedes": "The public Phase 01/02 handoff summary and source download described an earlier, superseded implementation plan.",
  "sources": [
    "MIRA_BUILD_UNIVERSE.md",
    "spec/README.md",
    "spec/COMPOSITION.md",
    "spec/VERIFICATION.md",
    "spec/VALIDATION.json"
  ]
}