Blazen Muzh, Op. 37

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBELX0400683
CopyrightID (CopyrightChains transaction hash)
0xcffd23911fecbe0b9716d02cf519db780a0b467e189a9825acc9a41ae8798195
Copyright registration time
2026-07-07T12:29:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2176bfbca13be0cfd4ccba5533389ccf7d47c81c896543bbe771bdc62c38399d

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.