El Vaquetón

Recording by Calibre 50.

Recording identifiers

ISRC
USUM71404228
CopyrightID (CopyrightChains transaction hash)
0xb388ad8c41ca7c6989b061135e0e130eb809f2c2c5cfdd2f9ea2efabdfb2899a
Copyright registration time
2026-06-08T10:13:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:965d31648d20597155ec010dc26ed46e5713f779fdb30db6398cb18de9ff5476

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.