El Cuya

Recording by Martin Castillo.

Recording identifiers

ISRC
QMFLS1400033
CopyrightID (CopyrightChains transaction hash)
0x8f7a00cc54098ae0dc9807a3ec9ac603563ba164fee1da5c4cfd0a0d3414c5ce
Copyright registration time
2026-07-29T16:40:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:de25f008f422c46bf6185a3f494829af76ac81a1cb9366e40da44ca337790201

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.