{"version":1,"id":"https://rtpledger.com/data/evidence/slots/london-tube/primary-rtp","claimType":"primary theoretical RTP","subject":{"name":"London Tube","provider":"Red Tiger","recordUrl":"https://rtpledger.com/slot/london-tube"},"claim":{"value":95.7,"unit":"percent","sourceStatus":"secondary_verified","checkedAt":"2026-07-16"},"sources":[{"id":"slotreport","name":"slot.report","type":"independent_database","url":"https://slot.report"}],"retainedObservation":{"sourceId":"slotreport","observedAt":"2026-07-16","value":95.7,"ledgerSequence":1268,"observationHash":"sha256:42e70e341b7ff4f0388cb130a15e727c07f38b1f5bba49ea720056e01b373a63","snapshotFingerprint":"sha256:8427a99241818f5e0db33c1e49d313db21f940ca12d30b36730f204870835946"},"limitations":["This record describes a theoretical RTP value, not a measured player return or tracked-spin sample.","A retained secondary-source match does not prove independent upstream origins, a provider default, an active game build or a casino configuration.","The external source URL may identify the source publication rather than a permanent game-specific page; the retained observation above is RTP Ledger’s claim-specific locator."],"methodologyUrl":"https://rtpledger.com/methodology","sourcePolicyUrl":"https://rtpledger.com/source-policy","correctionsUrl":"https://rtpledger.com/corrections-policy"}