12 Etudes d'execution transcendante, Op. 11: No. 9 Aeolian Harps

Recording by Sergei Lyapunov.

Recording identifiers

ISRC
HKI199355309
CopyrightID (CopyrightChains transaction hash)
0xa8c3aadd9bc1f8a2d314d68d849bf28ee871017fa40b1d0e816aca6ed0b14314
Copyright registration time
2026-07-07T21:52:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9af3fe23581f437b5fea16ca4b9fc5804de058a66166bf9084129e5b59a5077b

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.