12 Études, Op. 10: No. 1 in C Major "Waterfall"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEN961330101
CopyrightID (CopyrightChains transaction hash)
0x9125d427684a438a3f20d2745abf3ae9e50035425e7ef495c6b808a6f0dd52d8
Copyright registration time
2026-06-07T22:10:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6f9d75de135f77b55ef0bcf8479bad83b5ad6d517f537d21e8e125a6b47be887

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.