Carmen's Libertango

Recording by The Piano Guys.

Recording identifiers

ISRC
QZRDE2300060
CopyrightID (CopyrightChains transaction hash)
0x5ca4130bae9c14909d37e4c5b41c364a83a8a4cb3fdca7ec6e7ee5030ebe815b
Copyright registration time
2026-06-07T20:01:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1593f2db5f7a6599246a83e623024abc8e07ec8fabc03536661469099a6438ef

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.