Puerto Rico

Recording by Cristian Castro.

Recording identifiers

ISRC
USUL19700132
CopyrightID (CopyrightChains transaction hash)
0xadb7721e9a327d4a28551cd4107292a41817a412e8f687179924a6ce9bc71d51
Copyright registration time
2026-06-11T04:26:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:6f6c64f01365aefd7b97e267ebd75239a3e919ef066bfa352ba3c65af1587623

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.