Milonga para Gardel

Recording by Ángel Vargas.

Recording identifiers

ISRC
QMBZ91433075
CopyrightID (CopyrightChains transaction hash)
0x1c71e1dd7a023a2e93b8c21f29ed52a76a3a75bc171e624e6ccf855aa9504d1c
Copyright registration time
2026-07-07T13:10:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:20d904c492136ede5d838913662f2281dffa8ed0e9c89865681168bf0247d527

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.