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 0x3df44cfd2e069cb5fcc956ec7c67c7b4d7214d6c021d65afc5a8f5bafcb8619e. 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/85718492-cb76-4ad4-809d-2519d885c4a2.json and https://artists.proofprofile.net/proofs/artist/85718492-cb76-4ad4-809d-2519d885c4a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Scandinavian Express: Scandinavian Express
Roumanian Gypsy Dance: Roumanian Gypsy Dance
Bird Songs At Eventide: Bird Songs At Eventide
Sunshine Over Capri: Sunshine Over Capri
To Wander Around the World: To Wander Around the World
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 0x9ef4512d3bf911ca7ea466faa45f36f731cb89958da6c589b171a4fb9dd4970e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBABV0610640.
Chanson de Nuit and Chanson de Matin, Op. 15: No. 1, Chanson de Nuit
Chanson de Nuit and Chanson de Matin, Op. 15: No. 2, Chanson de Matin
In das Album der Fürstin Metternich in C Major, WWV 94
Fantasia on Themes from Mendelssohn's A Midsummer Night's Dream
Peer Gynt, Op. 23: No. 1, Solveig's Song
La finta giardiniera (Ouverture), K. 198 - Overture K198 / W A Mozart Arr Sabac-el-Cher
Marietta's Song (The Dead City) - The Dead City / Erich Korngold Arr Artok
The Palm Court - Music from the Age of Romance and Elegance
An Evening in St. Petersburg - Russian Suite: No. 1 Moonlit Night in Winter Time
An Evening in St. Petersburg - Russian Suite: No. 2 With the Russian Gypsy Orchestra
An Evening in St. Petersburg - Russian Suite: No. 3 In the Troika
The Palm Court: Music from the Age of Romance and Elegance
Gypsy Songs, Op. 55: No. 4, Songs My Mother Taught Me
21 Hungarian Dances, WoO 1: No. 5, Allegro
Slavonic Dances, Op. 46: No. 8, Furiant in G Minor
The Sleeping Beauty, Op. 66: No. 17, Panorama
An Evening in St. Petersburg "Russian Suite": No. 1, Moonlit Night in Winter Time
An Evening in St. Petersburg "Russian Suite": No. 2, With the Russian Gypsy Orchestra
An Evening in St. Petersburg "Russian Suite": No. 3, In the Troika