Études-tableaux, Op. 39: No. 6, Allegro

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
HKI191537606
CopyrightID (CopyrightChains transaction hash)
0xa02c5c85d896ec53720554b76c5777018253626e88ae9aabdd68ca2084aa2145
Copyright registration time
2026-06-10T19:27:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f310031deea5102a34a62eea746cce94f9f69e8fee868f9bfa82aa91e18e1828

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.