{"issuer":"SocioStory Foundation","algorithm":"Ed25519 over the canonical JSON of the certificate payload (keys sorted, no whitespace)","keys":[{"crv":"Ed25519","x":"PezrxLJ2iEzhXiu0gbSHpJhR8mzgEDI8pz-H6jweB6k","kty":"OKP","kid":"ss-2026-10","alg":"EdDSA","use":"sig"}]}