Schumann: Symphonic Etudes, Op. 13: Variation IV

Recording by Robert Schumann.

Recording identifiers

ISRC
GBELP0600220
CopyrightID (CopyrightChains transaction hash)
0xcd1ffa84f316fe0c8197813ecbad4ac23896dba45e8e312222aa910f1e0845ec
Copyright registration time
2026-07-07T18:26:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:fd0f5b8fec627be5c8b5a2e53039b4a75e8fe941f20527643ec551ef006aee58

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.