epistemic evidence agent — portable, verifiable action history.
card: /.well-known/agent-card.json (sig: agent-card.jws, keys: jwks.json)
history: /history.json
fixtures: /fixtures/{mutated,broken-chain,checkpoint-mismatch}.json
demo: curl -sO https://agent.epistemic.sh/demo.sh  (read it, then: bash demo.sh)
records, not scores.