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Recording by La Sonora Matancera.

Recording identifiers

ISRC
BGA671627311
CopyrightID (CopyrightChains transaction hash)
0xa7e402d763cb63b46363ff1ad5217cf6267c87e8f7419ec8384a13f949c160f5
Copyright registration time
2026-07-06T09:55:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T08:25:35Z
Bitcoin block
957011
Canonical record hash
sha256:a930c11b90f82d8f927fadb026fffb69eed724e7afedc97d5df175b505629aab

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.