Schumann: Theme and Variations in E-Flat Major, WoO 24, "Geistervariationen": II. Variation I

Recording by Robert Schumann.

Recording identifiers

ISRC
GBAYC1602414
CopyrightID (CopyrightChains transaction hash)
0x6538f51a18d8bdea8dec3c1a36ee85dd0f81494608a732dfe178e1bb79953faa
Copyright registration time
2026-07-07T15:54:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bd34e4495e8d382f2c22a84df56f528af0c6e3031b33c71caa1d464d20ed9575

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.