Estudio en Re Mayor

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ES71G2008405
CopyrightID (CopyrightChains transaction hash)
0xaf889492d7f8f473f255bd125a1524c4475986ee4f8c0757993b435585ffe901
Copyright registration time
2026-07-07T00:14:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7952df9ea8ec6286bd8892f33befea07bb90cfee3d0d0209bc0dd296e8bb6a81

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.