Introduction to the Study of the guitar, Op. 60: No. 11 in G Major

Recording by Fernando Sor.

Recording identifiers

ISRC
HKI199513017
Release date of the album this recording appears on
1996-03-26
CopyrightID (CopyrightChains transaction hash)
0x36750cfba0c46a438e0c4713264853e7a02924fa7cb6dae820f3e428498dc2c6
Copyright registration time
2026-08-01T00:40:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:e593a3757ec41a527d4fa3725461f9ceeadbb1f84a1eca01adf2f15b9d943416

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.