Ayer

Recording by Juan Luis Guerra 4.40.

Recording identifiers

ISRC
USJ3V1861761
CopyrightID (CopyrightChains transaction hash)
0x384a49c615b18e9830fd9ca090b089291ca020dbaf29d499ecdfeae43818c4d7
Copyright registration time
2026-06-07T04:10:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:266cb266ff9de5bf224b0fb4c3d034e07a350f25f2fbca0104e3b05a5b555152

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.