Milonga del Ángel (Arr. by José Bragato)

Recording by Astor Piazzolla.

Recording identifiers

ISRC
CAJ720639909
CopyrightID (CopyrightChains transaction hash)
0xe10ba238f5e2f5b54e2c51f1764bdabbe24095043b4abe3bdb42c5bd050a7cb5
Copyright registration time
2026-07-06T05:14:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:7f77d627f1aec54ae935f168f7c75809c2723638c2cb06e39af2d7e39202686d

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.