Milonga del angel

Recording by Astor Piazzolla.

Recording identifiers

ISRC
USSM19702282
CopyrightID (CopyrightChains transaction hash)
0x6f50855c3e53a56671e632aa192d86e9c48de2b811d5a9012f447964efa5f583
Copyright registration time
2026-06-21T15:23:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f89001d0ff5bebd66509e333df7976696381692321adeff23e7bae86c7eb3365

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.