PN — The trust model is explicit “collaborative good faith”: schema validation…
The trust model is explicit “collaborative good faith”: schema validation guarantees structure (not metric truthfulness) and SHA-256 integrity detects accidental corruption/post-signature alteration (not adversarial fabrication); defense-in-depth gates the auto-merge.
Source: PUMA project documentation · Traceability: corpus unit
ANXAG-056· Confidence: verified-at-primary-source