Tango Azul

Recording by Jorge Guillermo & Edgrado Acuña Quinteto.

Recording identifiers

ISRC
ARF050600109
CopyrightID (CopyrightChains transaction hash)
0xd0e6daae3b59e628425b3b4a6103aa7f6f0907f3fe91dcbe0c56dd8136ba584e
Copyright registration time
2026-06-19T12:36:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:91a55163a8e43fe89b1433892999ea97c5c9ac7adff8a0404420465f0c76ea28

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.