Estudio en Re Mayor (3)

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ES71G2008407
CopyrightID (CopyrightChains transaction hash)
0xa55ada2bc35e82a1e78b651bbf100b9be7027ac06ecabb5058d0b7095e256c8a
Copyright registration time
2026-07-07T05:33:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:954831afb519a74bce15c432431700557fcd2e56e4e96db2c86247ea42a1b6ed

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.