Violin Concerto in D Minor, WoO 23: 2. Langsam

Recording by Robert Schumann.

Recording identifiers

ISRC
GBF079411182
CopyrightID (CopyrightChains transaction hash)
0x9eabd40c50676ee728d361efff6a913fbc76bbd0a7c62febd2e595b9ff825b06
Copyright registration time
2026-07-07T13:02:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:28ea205547127b9cde63b4c9480091d7646b41ba320853e15eed7da8978f64d4

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.