Niña (with Silvio Rodríguez)

Recording by Pedro Guerra.

Recording identifiers

ISRC
ES5021300184
CopyrightID (CopyrightChains transaction hash)
0x5e0a020ee75308009da9474f7e721129a26a1b2b08b3555cf14c2569b838fb53
Copyright registration time
2026-06-08T11:27:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:799fa73ea0ccd544013dc4606ae1787eb64471fa4b63e1c602933679d7546322

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.