Gesänge der Frühe, Op. 133: No. 5, Am Anfange ruhiges, im Verlauf bewegtes Tempo
Schumann: Gesänge der Frühe, Op. 133; 7 Fughetten, Op. 126; Kreisleriana; Op. 16; Geister-Variationen, WoO 24
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 0x526d487e06eaadd6d685f16e7d9cc508be4b68a5c7c9c33e6447ce0496590763. 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/DEAQ71021705.