La Vuelta Del Matador

Recording by Cacho Castaña.

Recording identifiers

ISRC
ARUM71600222
CopyrightID (CopyrightChains transaction hash)
0x92e914244d125c23bcf93896a2e8505b7b387df4d3ff123b66df10ca8ce028e0
Copyright registration time
2026-07-29T11:06:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:30:20Z
Bitcoin block
960099
Canonical record hash
sha256:b789bccaf83fb1b241dc169cc4a388a2f6a34ac89bc1d06e19711d7a66cd14ec

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.