"Tumbling Dice" is a song by the English rock band the Rolling Stones. It was released worldwide as the lead single from the band's 1972 double album Exile on Main St. on 14 April 1972 by Rolling Ston
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ea9d11f67142a3720c084eab4812267af94379945959ce0462294993a3942de. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/86f085cf-9bb7-4de3-9eef-46578dd76cfc.json and https://artists.proofprofile.net/proofs/artist/86f085cf-9bb7-4de3-9eef-46578dd76cfc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).