Mata Siguaraya

Recording by Omara Portuondo.

Recording identifiers

ISRC
CUA011904707
CopyrightID (CopyrightChains transaction hash)
0xfe7be395551f07f552e6b319468e4a7eed62e771641fabdc203fd62d21ab4626
Copyright registration time
2026-07-06T19:24:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:882723b4b884040f19fc3cb19555bed418da05e70f203964731a35afe7dadbbc

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.