Como Se Hace un Tango

Recording by Lucio Demare.

Recording identifiers

ISRC
DEZZ52172258
CopyrightID (CopyrightChains transaction hash)
0x5f2240df361fc1e801d719a66d19a7d4fa27fde6d1a21f7234373f6ec03c5f0d
Copyright registration time
2026-06-23T16:13:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ef81abead65ee0ee82a26869c5945abea1723e9b4d57ad965e32b1f3628cf05e

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.