6 Morceaux, Op. 11: I. Barcarolle

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBELX1706571
CopyrightID (CopyrightChains transaction hash)
0x5ff377ea9c12e4a642ac6bb9f28a8d7fcfdd88e6fbf99021254ec2a43141b935
Copyright registration time
2026-07-30T21:26:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:09ecd8ee176012e3b880cd1034f3bea0533b19f73054b42995b1f3f5e5d8928a

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.