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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf02e1e83731bb4ab14845997d167315862785fa145b04d57d499985baa9e125b. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b31922ed-0a29-4f6e-bbe3-7f6a99bf298c.json and https://artists.proofprofile.net/proofs/artist/b31922ed-0a29-4f6e-bbe3-7f6a99bf298c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sonatas and Interludes: Second Interlude
Sonata for Microtonal Piano: Movement II
Sonata for Microtonal Piano: Movement III
Sonata for Microtonal Piano: Movement IV
Three Short Fantasies: No. 1, Piccole Armonie
Three Short Fantasies: No. 2, Piccola Fantasia Davenniana
Three Short Fantasies: No. 3, For Robert Miller
Music for Computers, Electronic Sounds and Players
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 1, I. Morning Music (Genesis II)
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 1, II. The Mystic Chord
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 1, III. Rain-Death Variations
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 1, IV. Twin Suns (Doppelgänger aus der Ewigkeit)
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 2, V. Ghost Nocturne for the Druids of Stonehenge (Night-Spell II)
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 2, VI. Gargoyles
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 2, VII. Tora! Tora! Tora! (Cadenza Apocalittica)
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 2, VIII. A Prophecy of Nostradamus
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 3, IX. Cosmic Wind
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 3, X. Voices from "Corona Borealis"
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 3, XI. Litany of the Galactic Bells
Makrokosmos, Vol. II - Twelve Fantasy-Pieces after the Zodiac for Amplified Piano: Part 3, XII. Agnus Dei
Concerto for Oboe and Violin in C Minor, BWV 1060: I. Allegro
Johann Sebastian Bach: Orchestral Favourites, Vol. XV
Concerto for Oboe and Violin in C Minor, BWV 1060: II. Adagio
Concerto for Oboe and Violin in C Minor, BWV 1060: III. Allegro assai
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b8014fa5f145687f4520fd01cc5553f286a56fe1a04d3e9d50cf7d6082b82f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJU8400018.
Harbison: Piano Concerto & Stock: Inner Space
Piano Concerto: II. Alla marcia – alla canzona – alla danza