{ "seal_id": "sl_example002", "issued_at": "2026-02-03T14:55:10Z", "issuer": { "id": "urn:crovia:issuer:crovia-trust", "pubkey_alg": "Ed25519", "pubkey": "" }, "generator": { "vendor": "anthropic", "model": "claude-web" }, "subject": { "input_hash": "sha256:", "output_hash": "sha256:", "output_length": 891 }, "signature": "Ed25519:", "_note": "Synthetic example. Not a real seal." }