Preludio en Re Mayor

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ES71G1303013
CopyrightID (CopyrightChains transaction hash)
0xfd16bc851628ea7decf79f031ffc998acb7ed5f463d6622f7f4bf95b873c536b
Copyright registration time
2026-06-25T06:02:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:84ea07fbd564395afe17d3248ff0b552e8b5344031231f7926f6a7dc893a29b6

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.