Prelude in G Minor, Op. 23 No. 5

Recording by Virtuoso Piano Quartet.

Recording identifiers

ISRC
USRDG0218439
CopyrightID (CopyrightChains transaction hash)
0x3a3c94a32c451762ad7e579455340bd90ab119275d7b473a698f5a82ea8bb279
Copyright registration time
2026-06-21T02:55:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f34a7a2c8815190e9c731d07c60dfbedc56e2817707872780ae7772e618e5c49

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.