La Lengua

Recording by La Sonora Matancera.

Recording identifiers

ISRC
ESA012071559
CopyrightID (CopyrightChains transaction hash)
0xf30403de1f316f98c0001b931cfb7e900cf30dc094c6b5ef4605e5d7269e4e79
Copyright registration time
2026-07-22T16:26:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T16:43:41Z
Bitcoin block
959155
Canonical record hash
sha256:f883b777b8168e2f9af958aa85e691a08d58c48d9c27c9935707d9f53544c284

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.