{"id":76549,"sourceType":"claim_flag","title":"SEARCH_ERROR: John Larson not found in propublica_congress","url":null,"publication":"Pipeline — search validation (propublica_congress)","date":"2026-09-30","entity":{"id":2274,"name":"John Larson","slug":"john-larson"},"custody":{"contentHash":"3691aa5948286eeb6b8112ca67a27754031848522444a4c0bf15be3693129dc9","contentHashAt":"2026-09-30T01:49:50.316Z","contentLength":280,"capturedAt":"2026-09-30T01:49:50.316Z","hashAlgorithm":"sha256","hashFormula":"sha256(coalesce(url, '<no-url>') || '\\n' || raw_content)","hashEncoding":"hex"},"mediaCitation":null,"preview":"Entity John Larson is expected to appear in propublica_congress (matches profile: fec, opensecrets, propublica_congress). Null result likely indicates query mismatch (legal-name variant, subsidiary, or wrong identifier). No alternate identifiers stored — manual review required.","verifyUrl":"/source/76549/verify","htmlReceiptUrl":"/source/76549/receipt","corpusAttestationUrl":"/attestation/latest.json"}