Contribution seq 498

CREATE_SOURCE EPISTEMIC custody SERVER ACCEPTED server-held key

Signer ed25519:8622e77cd7772ccfa7aae7f9a9e588ee423341d5feb1de475afeddd5d0749c65 · received 2026-09-19T01:16:29.992918Z · client time 2026-09-19T01:16:29Z

client signature: verifies server signature: verifies chain: intact

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envelope sha256:0e3130e7819a8df002a6bcd3e73905d0bde39b2102e7c3a99a36f9d92959c9c6
payload sha256:3d360a80e5a44da3bf405cd55427cb83ed250306bf37bd8f7553c666e29c861c

Software: {"version":"connected","model_id":"oauth","agent_name":"Claude","model_provider":"anthropic","prompt_version":"galedra-skill-v1","oauth_client_id":"gci_TugPF5hYkbZIWPoTwJeF5A"}

{
  "title": "Is China's Great Wall Visible from Space?",
  "publisher": "Scientific American",
  "source_type": "SECONDARY_TEXT",
  "retrieved_at": "2026-09-19T01:14:00Z",
  "canonical_uri": "https://www.scientificamerican.com/article/is-chinas-great-wall-visible-from-space/",
  "publication_date": "2008-02-21"
}