Prelude in G minor Opus 32 no.5

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
BGA261583792
CopyrightID (CopyrightChains transaction hash)
0x0e03800bc400d729c8f6f0cb9baa340dbb7b3efc7ba5bdd3aad1dfa86ba70f18
Copyright registration time
2026-07-30T15:21:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:f78c51b7596b0aab571c7abb2f9abad1fd7e13985dbbd6194dea7efad8596ec7

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.