Studio in A Major - for Guitar

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ITR551413193
CopyrightID (CopyrightChains transaction hash)
0x47db50cf11b7749d1322932e395301d59be6ef86a711c91ff10153a677b9522e
Copyright registration time
2026-07-07T08:14:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3bfbe3d2b7bcfed37cf695d6ca9ba366dc81591714f67ea22d186892f27d13eb

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.