12 Études, Op. 10: No. 10 in A-Flat Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEN961330110
CopyrightID (CopyrightChains transaction hash)
0xdda6f59d90a10bff091e627171ffebc3544d95a8faafb467fd5abdf0330babab
Copyright registration time
2026-06-19T06:24:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b3edb75191f00053e8c9a41f1ba0dfcc03d13d4ea18dfc68dc8b52b0d98b3417

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.