{"snapshot_id":257,"source_id":"entities","snapshot_date":"2026-06-19","content_hash":"4aeb61f63a3afd905ea0c5a011ee6289a520574328d8a464a1beb21b69038e9c","content_size_bytes":9225867,"source_archive_url":"https://fonteum.com/data","hash_algorithm":"SHA-256","methodology_version":"v2026.05.0","attested_at":"2026-06-19T06:15:24.56891+00:00","cache_url":null,"cache_cached_at":null,"cache_retention_expires":null,"corrections":[],"verify_url":"https://fonteum.com/verify/257","verify_instructions":"https://fonteum.com/docs/cache"}