Vals en Re

Recording by Francisco Tárrega.

Recording identifiers

ISRC
QZFZ42001745
CopyrightID (CopyrightChains transaction hash)
0xa08de890d1c62041e0e02e54dbe20669b9e2046e61b0b363276d93801fc264e6
Copyright registration time
2026-07-07T19:09:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ac3154f8ac7b14af3ebc156299784aecef56e4f0d3e434d478b299c5e893407c

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.