Prelude No. 5 in G Minor, Op. 23

Recording by Michael Henry Zimmerman.

Recording identifiers

ISRC
USX9P1202312
CopyrightID (CopyrightChains transaction hash)
0x0d3d5b304640e489d3f5fc1032967f48b05e1d8f74d7f62020a0625f5a6633a0
Copyright registration time
2026-07-07T15:54:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:afd0f95c4d96b75f72abfdec498a436ed5cef1cfcebee3143d9163740c22d463

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.