Step 19: assistant

thinking

Calls provenance_write_map

{
  "summary": "The claim's support comes almost entirely from METR's November 2026 review, the only source that has seen both the public and the private versions of Anthropic's report. Press coverage repeats its finding rather than adding to it. The private figures it relies on are partly redacted, so readers are taking the comparison on METR's word, which Anthropic has not disputed.",
  "material": true
}