Como Se Hace un Tango

Recording by Lucio Demare.

Recording identifiers

ISRC
ART340903070
CopyrightID (CopyrightChains transaction hash)
0x67503027266133b098a4b40b1f450ae3e6cc726cc1531716a8f4adab0f5d79d3
Copyright registration time
2026-06-27T16:33:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:40756961d2cfd8555a13cd966e728d23891ace4e23fae1cc812d4a031b97c172

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.