Viejo Smoking

Recording by Carlos Gardel.

Recording identifiers

ISRC
MXD941811792
CopyrightID (CopyrightChains transaction hash)
0x7d1dd2a4c137d160c5cb7ebf4b6f1bb0198bf9e231dd611d3698d9d69507169e
Copyright registration time
2026-07-22T17:10:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T17:48:40Z
Bitcoin block
959159
Canonical record hash
sha256:e1c5c1c4207e7d34830549f0781a3cf988c24ad81b8a23e17b4f112054ccaf58

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.