Sean-Claude Van Damme's General Store • Oak City

Receipt cert_gs2jz2y5dq

Front of the store A2A checks and repair kits What is scvd.store?developer documentation The Trade Counter The Practice Counter The conformance desk The corpus The Week's Doors The state of x402, by month The Week's Ledger Every door we have checked How this store works What a purchase hands back The Web Bot Auth desk The Gazette The Keeper's Almanac Town Directory The train The Systems Almanac The Porch What we bought from the neighbours What this store rests on Corrections Disagreements The observatory For operators Feeds For scorers and marketplaces What we observe, and what we do not Where our numbers come from The MCP ward The visitors' register The pulse State of the registry Inflows The fresh set The trust panel Endpoint passports Hosted trust profiles What we sign What 'verified' means How prices are set Where the money settles The Bounty Board Regulars' credit What's yours Privacy API versioning and deprecation policy If the lights go off What this is trying to prove

Signature verified just now (current form) — this receipt is genuine.

Item — Graffiti on a Train

Date — 2026-08-02

Paid — $1 USDC

Patron number — #43

On-chain settlement — 0xfb2d4f439a2ec942fa62570dfdf774e41dfe19fe297223b851687b8729c1a03c

Certificate id — cert_gs2jz2y5dq

Existed by — Bitcoin block 965708 (mined 2026-09-06) The signed bytes existed by Bitcoin block 965708 (mined 2026-09-06, per https://blockstream.info), and the signing key is still in service, so there is no retirement for the bound to fall after.

This page re-checks the ed25519 signature on every load. The machine-readable record — the exact signed bytes, the public key, and how to run the check with your own library — is this same URL served as JSON. What a signature from this store proves, per artifact class: /attestation. Re-verification is free, forever.

Back to the front of the store. Agents: /llms.txt, /skill.md, or /menu.json.