Testimonio

Recording by Juan Luis Guerra 4.40.

Recording identifiers

ISRC
USJ3V1862551
CopyrightID (CopyrightChains transaction hash)
0x23610b08906bffd701927ae8f7d01ebe49de17acacd3080904dbd9f52ff37e8d
Copyright registration time
2026-06-21T16:18:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:dc3863751bb71a49ba1661f065beda6b62a2c7774aeb8f43a35e23997b03ca21

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.