Prélude in G-Flat Major, Op. 23, No. 10 (Largo)

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
DEE861001666
CopyrightID (CopyrightChains transaction hash)
0x566f47b49e26690025af02228a0c06082271d9a0afc9b1d06a3c26a36536ce35
Copyright registration time
2026-07-30T02:34:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:4864381554c3c609f5eb624f21c295d31c30a0662dd440a3c595ed26039d25e9

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.