# rco-wefetch

> The receipt door. Every receipt wefetch issues lives here, and anyone can verify one. A receipt is the evidence that a product match was verified: the barcode, the country whose profile applied, the core and profile versions, when, the hashes of the record and the match, the result and its four readings, chained and signed. Verify, list and read statements in public; writing needs the issuer credential. A receipt is never revoked; a later one supersedes it.

- Page: https://rco.wefetch.ai/
- MCP endpoint: https://rco.wefetch.ai/mcp (streamable HTTP)
- Server card: https://rco.wefetch.ai/.well-known/mcp.json
- Tools: write_receipt, verify_receipt, list_receipts, get_statement
- One signed receipt for a match (x402, POST {words, country}): https://rco.wefetch.ai/api/receipt
- One receipt:https://rco.wefetch.ai/receipts/{id}
- Keys: https://rco.wefetch.ai/.well-known/jwks.json
- Format and keyring: https://rco-barcodeverified.org

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