Schumann: Symphonic Etudes, Op. 13: Variation II

Recording by Robert Schumann.

Recording identifiers

ISRC
GBELP0600217
CopyrightID (CopyrightChains transaction hash)
0x9d350eecc4c6d7e130787219a631ce526e167684afd403359d5876c8630b9b24
Copyright registration time
2026-07-07T08:23:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5fd47fc486f7f21cefb5014c5e307fd6bfe2b124c67faf931da5efca60efb871

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.