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

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0835310
CopyrightID (CopyrightChains transaction hash)
0x2a81a3a3c865396a030b91600dad5b7f2fe5bc1b19ad8b2c9c4ce4a544826fd5
Copyright registration time
2026-07-31T09:24:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:50:11Z
Bitcoin block
960381
Canonical record hash
sha256:a83db1d718a87305a2addb72c69c72c7dac94eaf34c002641f6f675f64b29c2b

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.