Septet in E-Flat Major, Op. 20 (arr. F. Tarrega): IV. Theme and variations: Theme

Recording by Francisco Tárrega.

Recording identifiers

ISRC
FINDE0200233
CopyrightID (CopyrightChains transaction hash)
0xd01e22caaf7e2562fec1bbd099eb44dc4eb82d6951f79620992e77dab47be6a9
Copyright registration time
2026-07-07T16:46:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2b223f183d2cb204b44cb9e430f5b5c28072f30569dcef18d8e80352188e8a4b

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.