Rightshold open standards

Specs are public and free to implement; Rightshold is one issuer.

• Rights Receipt v1 (rights-receipt/1): https://www.rightshold.com/standards/rights-receipt — schema https://www.rightshold.com/schemas/rights-receipt-v1.json
• Rightshold Gate policy v1: https://www.rightshold.com/gate — schema https://www.rightshold.com/schemas/gate-policy-v1.json
• RS-KYA (Know Your Agent levels L0–L5): https://www.rightshold.com/kya/spec — schema https://www.rightshold.com/schemas/kya-credential-v1.json