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Recording by La Sonora Matancera.

Recording identifiers

ISRC
NLHR52169031
CopyrightID (CopyrightChains transaction hash)
0xc048e84fa9b74bd8df9115b2c610eda4c2c406c2bd3a1a6661af1f9f702d8ad2
Copyright registration time
2026-07-30T05:44:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:57:05Z
Bitcoin block
960218
Canonical record hash
sha256:7d1142384d9229e4c8b0172097d2dfe3468137ea8926ac3ea9d6feaf43c38793

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.