Introduction to the Study of the guitar, Op. 60: No. 10 in C Major

Recording by Fernando Sor.

Recording identifiers

ISRC
HKI199513016
Release date of the album this recording appears on
1996-03-26
CopyrightID (CopyrightChains transaction hash)
0xae49a28e599a8e251539d1ae8c0d63f0f6e8d8476ef54d56b95678076e02ec39
Copyright registration time
2026-07-31T17:57:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:2c4fb8e44986127fe59b484c24a5ba858ee6a24e674898d21f945b3b645b5fe7

What this proof establishes

This recording was released in 1996, 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.