{
  "claim": "Cross-tenant zero leakage at store + replay + injection layers; distinct state_ids",
  "isolation_matrix": {
    "a_events_contain_no_b_identifiers": true,
    "a_snapshot_contains_no_b_identifiers": true,
    "b_events_contain_no_a_identifiers": true,
    "b_snapshot_contains_no_a_identifiers": true,
    "fetch_a_returns_only_a": true,
    "fetch_b_returns_only_b": true,
    "injection_a_events_under_b_root_rejected": true,
    "injection_active_grants_after_attack": 0,
    "state_id_distinct": true
  },
  "proof_id": "first-multi-tenant-proof",
  "replay_until_ms": 1800000000000,
  "tenant_a": {
    "active_grants_count": 1,
    "authority_id": "auth_44962d9b-25f5-5622-bd9a-98d5580bb8a2_v101_export",
    "events_count": 2,
    "principal": "princ_customer_9",
    "state_id": "24a06e845ce573dd773298451ad9a05da213cea52068e8b93e054ae9166f9db9",
    "tenant_id": "tenant_v101_44962d9b-25f5-5622-bd9a-98d5580bb8a2",
    "tenant_root": "princ_root_v101_44962d9b-25f5-5622-bd9a-98d5580bb8a2",
    "verdict": "Valid"
  },
  "tenant_b": {
    "active_grants_count": 1,
    "authority_id": "auth_7905888e-56fd-59ea-86cb-82661e13a851_v101_export",
    "events_count": 2,
    "principal": "princ_customer_99001",
    "state_id": "c11b3ca74742c191bf1f2846970f91a104b78a2e375bcceef23c48f116e20f15",
    "tenant_id": "tenant_v101_7905888e-56fd-59ea-86cb-82661e13a851",
    "tenant_root": "princ_root_v101_7905888e-56fd-59ea-86cb-82661e13a851",
    "verdict": "Valid"
  }
}