{
  "title": "MENA-RTD release-clock schema",
  "version": "0.1.0",
  "status": "seed",
  "primary_key": ["country", "reference_period", "indicator", "release_channel", "release_type", "observed_public_date"],
  "fields": {
    "country": "Economy name",
    "iso3": "ISO-3 code",
    "reference_period": "Economic reference period",
    "period_end": "Reference-period end date",
    "indicator": "Indicator name",
    "release_channel": "Observed dissemination channel",
    "release_type": "Flash, preliminary, full release, revision, catalogue publication, etc.",
    "observed_public_date": "Date the release was observed publicly",
    "formal_catalog_date": "Date assigned by the statistical agency catalogue/archive when available",
    "latency_days": "Days from period_end to observed_public_date",
    "reported_value": "Value in the source where captured",
    "unit": "Unit of the reported_value",
    "source_tier": "1=official statistical agency; 2=other official; 3=secondary",
    "date_status": "verified, verified_catalogue, metadata_conflict, provisional, unresolved",
    "source_url": "Canonical source URL",
    "source_note": "Qualification or provenance note"
  },
  "rules": [
    "Never collapse flash and full releases into one release object.",
    "Preserve conflicting official dates rather than choosing silently.",
    "A formal catalogue date is not automatically the first date economic information was publicly available.",
    "All derived latency metrics must declare the release-type clock used."
  ]
}