300px|thumb|Isochronic tones Isochronic tones are regular beats of a single tone that are used alongside monaural beats and binaural beats in the process called brainwave entrainment (synchronization
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 0x6294a99bf748ef96298a833f139475a1473c8f518c665cf4d8c6d6ffa0fa10ed. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9c51ec2-6aa6-4d4b-adfa-1a902c9075dd.json and https://artists.proofprofile.net/proofs/artist/a9c51ec2-6aa6-4d4b-adfa-1a902c9075dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Isochronic Tones Focus And Concentration