Las maracas de Cuba

Recording by Trio Matamoros.

Recording identifiers

ISRC
QMDA71363249
CopyrightID (CopyrightChains transaction hash)
0xe2dc4bd337425e5926048d00292b1190e09807501fcca5207a9dff71014f7306
Copyright registration time
2026-07-07T21:44:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c836d3abec62638736dd9fc4f2b96be6a47693dd7acd6f9d02792328d235d2d7

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.