Un Poquito de Carino

Recording by La Sonora Matancera.

Recording identifiers

ISRC
ES71G2058982
CopyrightID (CopyrightChains transaction hash)
0xcd77f322df10cc59800c09c8b2484c1116fd018328e814a6d7f5a1a9e6547c2b
Copyright registration time
2026-07-29T15:35:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:38:18Z
Bitcoin block
960125
Canonical record hash
sha256:5a8423c25b9d3b6618084403e99be4a5bf7f70e3cf0bd59954d39e5d3c10a1a5

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.