L'art de Délier Les Doigts, Op. 740.: Octaves Doubles

Recording by Carl Czerny.

Recording identifiers

ISRC
FRU620702320
Release date of the album this recording appears on
2007
CopyrightID (CopyrightChains transaction hash)
0x325bbd59dbda7d51b36a02df0c980a657575176379f67abfdaaeb127c64d2c80
Copyright registration time
2026-07-30T06:04:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:39:12Z
Bitcoin block
960216
Canonical record hash
sha256:c9a2544854e1e9163796867a0a036243a060921c7a95d577b85c94f1ec3a5d04

What this proof establishes

This recording was released in 2007, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.