Cumbia de las Castañuelas

Recording by La Sonora Matancera.

Recording identifiers

ISRC
QM6MZ2547314
CopyrightID (CopyrightChains transaction hash)
0xf173a36bfc727bfa76e5adf4f8bf1def31bf1f8b5046d03e547bc441857d2788
Copyright registration time
2026-07-31T08:27:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:b77395ddfe299fdbbe12e880d4942fa825e8d46b6c9cff596432aea114089c98

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.