Por Dos Caminos

Recording by La Sonora Matancera.

Recording identifiers

ISRC
US6R21224993
CopyrightID (CopyrightChains transaction hash)
0xd28ac8b8ebb89cdd203c816027db08d5e31b707cc94994e2821aab14c6954d08
Copyright registration time
2026-07-30T17:13:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:4383ef29096a8f961bd70b90cfae4302e2cd4e3bb31510f6cf15a10b467d6b94

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.