12 Études d'exécution transcendante, Op. 11: Idylle in A Major

Recording by Sergei Lyapunov.

Recording identifiers

ISRC
FR3Z52000074
CopyrightID (CopyrightChains transaction hash)
0x3d1a4ef2271fdfb9913b67a234e925f361a86b85fa0e6b69a2088fd2f7b0a6a4
Copyright registration time
2026-07-07T15:11:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5093fc4dfbdf6837d4543aff6e9dd2a178d2c0e7dee886d697b942ec74acd5f1

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.