Concert Allegro with Introduction, Op. 134

Recording by Robert Schumann.

Recording identifiers

ISRC
DEN961501400
CopyrightID (CopyrightChains transaction hash)
0x51e5232c92befc17c91b15d55ca5d593d9c3b49d0bd45625dd3f14569ca80aff
Copyright registration time
2026-06-20T07:11:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9325ae9e0e30f6dbf9f7d5e27949a48d51b8fd9fdbb63fdc9ec96eec19036964

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.