Rachmaninov: Piano Concerto No. 4 in G Minor, Op. 40: II. Largo

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBAYC1001324
Release date of the album this recording appears on
2012-09-03
CopyrightID (CopyrightChains transaction hash)
0x84522651494a21fe3963af87c878dba7015e6b766cf75a2262a4b4c3c64b2247

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48Z
Bitcoin block
960337
Canonical record hash
sha256:1ec36c31f6a9df36563051d6873ec19b7a12e55b8cb6261375efd2db694e292d

What this proof establishes

This recording was released in 2012, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.