Use when an agent wants the record behind a seller check: the signed test-buy receipts Lumi Trades holds for one x402 seller (domain, resource URL or payTo), newest first, with date, endpoint, network (Base, XRP Ledger, Stellar), amount, transaction hash, explorer link and outcome (delivered, not delivered or inconclusive). Anyone can verify a receipt for free at /v1/trust/receipts/verify. Not charged on bad input or when Lumi has no test-buy of the seller. Observations, not a guarantee.

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