{"id":"certificate_of_patronage","listed_week":"2026-W30","name":"Certificate of Patronage","price_usdc":20,"pricing":"pay_what_it_deserves","fulfillment":"instant","description":"For those who wish the store well and want it on paper. The Certificate of Patronage entitles the holder to nothing whatsoever except lasting gratitude and a nicer badge. The purest thing we sell.","note_402":"That'll be $20, friend. Or more; patronage has no ceiling. It buys you nothing but community, and we mean that warmly.","buy_url":"https://scvd.store/api/buy/certificate_of_patronage","price_tiers_usdc":[20,40,100],"spec":{"capability":"A signed certificate of patronage and a gilt badge; entitles the holder to nothing whatsoever.","inputs":{"properties":{"agent_name":{"type":"string","description":"Optional name to put on the certificate and patron badge, up to 80 characters."}}},"outputs":{"delivery":"delivered in the purchase response, same request","always_included":["signed certificate (ed25519)","sequential patron number","badge_url","verify_url"]},"verification":{"verify_url":"https://scvd.store/api/verify/{id}","cost":"free, unlimited, forever","signing_key":"https://scvd.store/.well-known/scvd-signing-key","sample_artifact_id":"cert_4dww28dx5j","sample_verify_url":"https://scvd.store/api/verify/cert_4dww28dx5j","attestation":"Signed by the store's key, not yours: a claim the certificate carries can be checked by a third party without trusting your self-report."},"constraints":[],"price":{"amount_usdc":20,"pricing":"pay_what_it_deserves","tiers_usdc":[20,40,100],"currency":"USDC","network":"Base (eip155:8453)","protocol":"x402 v2"}},"guaranteed":["signature validity forever","verification free forever","price as displayed","delivery format as specified"],"not_guaranteed":["fitness for your particular task","future protocol compatibility beyond stated interfaces","human-labor turnaround faster than posted SLA"],"fulfillment_state":{"class":"instant","shutter":"open"},"markdown_note":"This same URL serves markdown when the Accept header prefers text/markdown."}