Testimonio

Recording by Juan Luis Guerra 4.40.

Recording identifiers

ISRC
USJ3V1861924
CopyrightID (CopyrightChains transaction hash)
0x0baeebbf4b779acb0286d63b8520bfa3fc840cbd9c94897c96ea56498920064e
Copyright registration time
2026-06-05T11:40:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ea5b32e020463b38dec28074b008f48e08632fe53a91cdfed33648392b7ee1ef

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.