{"algorithm":"Ed25519","issuer":"Authorship Ledger by Agentive Press","keyFingerprint":"dce3b4ba7b213ce1","publicKeyPem":"-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEA8xkpDdF/ZyPpFPRlNvbc7J7rw6+XMGlVtMKmWQgVDAA=\n-----END PUBLIC KEY-----","publicKeyBase64Spki":"MCowBQYDK2VwAyEA8xkpDdF/ZyPpFPRlNvbc7J7rw6+XMGlVtMKmWQgVDAA=","usage":"Verify a signed attestation by canonicalizing its JSON (sorted keys) and checking the base64 signature against this key."}