Al Compas de un Tango

Recording by Alberto Castillo.

Recording identifiers

ISRC
NLHR52064144
CopyrightID (CopyrightChains transaction hash)
0xe067924a9867932de47b4efbb3f048da578bb7d70ea3f233e6d0f8e63b6b7ebf
Copyright registration time
2026-07-31T06:33:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:0e13c5c7998400491c9e9636bf3d0860f9a875423754101a1453a89d8c7e0e2f

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.