{"schemaVersion":2,"count":1,"evidenceChain":"historical observation → claim citation → claim → research conclusion. A citation states its own relationship: \"supports\" pins the period whose value the claim reports, \"continues\" names the series still measuring it, \"context\" names a related series that informs but does not prove the claim.","claims":[{"id":"MO-2026-0010","statement":"In Machine Observer’s October 14 x402 asking-price sample, 21 of 26 endpoints advertised a price; the observed median ask was $0.003, with a $0.001 minimum and approximately $0.02 maximum. These were unpaid payment challenges, not transacted prices.","sector":"machine-commerce","confidence":0.94,"sourceIds":["machine-observer-price-index"],"evidence":["https://machineobserver.com/"],"observedAt":"2026-10-14","status":"first-party-observed","sources":[{"sourceId":"machine-observer-price-index","name":"Machine Observer x402 Price Index","url":"https://machineobserver.com/"}],"historicalEvidence":[]}]}