1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x343b275fcc45fced22e606bac68b4b5137717c1078dc34353fa1c143576ac1d4. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/31c3034c-d6e5-4d4a-801d-d98045960364.json and https://artists.proofprofile.net/proofs/artist/31c3034c-d6e5-4d4a-801d-d98045960364.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kernis: Before Sleep And Dreams: Play Before Lullaby
Kernis: Before Sleep And Dreams: Lullaby
Kernis: Before Sleep And Dreams: Lights Before Sleep
Kernis: Before Sleep And Dreams: Before Sleep And Dreams
Wizards & Wildmen - Piano Music of Charles Ives, Henry Cowell and Lou Harrison
from Piano Sonata No. 2, Concord Mass. 1840-1860: III. The Alcotts
Third Piano Sonata: I. Slowing & singing
Third Piano Sonata: III. Very slow, very singing & solemn
Prelude for Grandpiano (to Henry Cowell)
Five Encores to Dynamic Motion: What's This
Five Encores to Dynamic Motion: Amiable Conversation
Five Encores to Dynamic Motion: Advertisement
Five Encores to Dynamic Motion: Antinomy
Five Encores to Dynamic Motion: Time Table
Statue of Liberty (arr. D. McIntire and A. de Mare)
Statue of Liberty (Arr. D. McIntire and a. De Mare)
Not While I'm Around - Arranged By Thomas Newman
Music of Chester Biscardi and David Olan
Butterfield: Music for Klein and Beuys - Pillar of Snails - Schwitters: Ursonate