Symphonic Studies, Op. 13: Etude I

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058100882
CopyrightID (CopyrightChains transaction hash)
0x595c8ec2d63467ed1177b1e7e19f48cadd4cdc4453aeb54fb958fce747f5ebba

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48Z
Bitcoin block
960337
Canonical record hash
sha256:e9d8f99fd130d051a0877de3ce4cfb77f7c748881864dcf09cf3beac26a48db4

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.