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 0xc3450538138c0ba3e39fbbccf2f8d877b98c2b935ad49dfe07ab5becfb6fea5a. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/066c9399-205e-4d22-a5a4-38f44418dbb0.json and https://artists.proofprofile.net/proofs/artist/066c9399-205e-4d22-a5a4-38f44418dbb0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Guillaume Tell (William Tell): Overture (arr. C. Dawson)
8 Short Preludes and Fugues, BWV 553-560: No. 2. Prelude and Fugue in D Minor, BWV 554 (arr. J. Barnes)
Symphonie fantastique, Op. 14: V. Songe d'un nuit de Sabbat (Dream of a Witches' Sabbath) (arr. T. Fiegel)
Adagio for Strings, Op. 11 (arr. J. Stevens)
Jason and the Golden Fleece: I. Jason and the Argonauts
Jason and the Golden Fleece: II. The Symplegades (Clashing Islands)
Jason and the Golden Fleece: IV. Sowing the Dragon's Teeth
Jason and the Golden Fleece: V. The Golden Fleece
Les feuilles mortes (Autumn Leaves) (arr. R. Perry): Autumn Leaves (arr. R. Perry)
A Super Sonic Ensemble in the Alternate Clef, Vol. 1
The Planets, Op. 32: I. Mars, the Bringer of War (Arr. D. Butler)
Passacaglia and Fugue in C Minor, BWV 582 (Arr. J. Garrett)
The Planets, Op. 32: I. Mars, the Bringer of War (arr. D. Butler)
Passacaglia and Fugue in C Minor, BWV 582 (arr. J. Garrett)
William Tell: Guillaume Tell (William Tell): Overture [arr. C. Dawson]
8 Short Preludes and Fugues, BWV 553-560: No. 2, Prelude and Fugue in D Minor, BWV 554 (Arr. J. Barnes)
Symphonie fantastique, Op. 14 H 48: Symphonie fantastique, Op. 14: V. Songe d'un nuit de Sabbat (Dream of a Witches' Sabbath) [arr. T. Fiegel]
Adagio for Strings, Op. 11 (Arr. J. Stevens)
Symphonia, Vol. 2: La Morte dell' Oom (No Pah Intended)
Suite No. 2 in F Major, Op. 28, No. 2: I. March
4 Motets sur des themes gregoriens, Op. 10: No. 1. Ubi caritas (arr. for wind ensemble)
Festive Overture, Op. 96 (arr. for wind ensemble)
Le Villi, Act II: La tregenda (arr. for wind ensemble)
1941 (arr. for wind ensemble): 1941: The March (arr. for wind ensemble)
A Nightingale Sang in Berkeley Square (arr. for wind ensemble)
Second Suite in F Major, Op. 28 No. 2, H. 106: Suite No. 2 in F Major, Op. 28, No. 2: I. March
4 Motets sur des themes gregoriens, Op. 10: No. 1, Ubi caritas (Arr. For wind ensemble)
Festive Overture, Op. 96 (Arr. For wind ensemble)
Le Villi, Act II: La tregenda (Arr. For wind ensemble)
1941: The March (Arr. For wind ensemble)
A Nightingale Sang in Berkeley Square (Arr. For wind ensemble)
Festive Overture, Op. 96 (Arr. J. Oliver)
Ubi caritas, Op. 10 - Dance (Arr. R.W. Morris and K.D. Wilson)
2nd Suite for Military Band in F Major: 1941: The March (Arr. T. Fiegel)
Autumn Leaves: Les feuilles mortes (Autumn Leaves) [arr. R. Perry]
Festive Overture, Op. 96 (arr. J. Oliver)
Ubi caritas, Op. 10 - Dance (arr. R.W. Morris and K.D. Wilson)
1941 (arr. T. Fiegel): 1941: The March (arr. T. Fiegel)
Les feuilles mortes (Autumn Leaves) (arr. R. Perry)
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 0xf0ce82b7d25e6dd5821874b6dc24fc9dfff1c4d8a99403233e4497c03314f614. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/ZAA011500383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73cd25222b41455d063e7682c593bc23e8ac6dc012e8667da83be74cc4abbe16. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ZAA011500391.