Études-tableaux, Op. 39: No. 2 in A Minor

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
PLA162301802
CopyrightID (CopyrightChains transaction hash)
0xd0f8c91ce48512f26062fe8e291c4abafb3e40dddaca5212718698dac403f07c
Copyright registration time
2026-07-07T13:32:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:26f8e760ee4a852ff222c811daab74fe1fb0a8cf76dab4366fbcf4db40fd73ad

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.