Milonga for Three (Arr. for Piano): I.

Recording by Astor Piazzolla.

Recording identifiers

ISRC
FROV62436807
CopyrightID (CopyrightChains transaction hash)
0xd939dac5244387d7216a64c9851a9275017c5b86f7d6f9525408febd3791e63e
Copyright registration time
2026-07-06T19:17:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6d699c766427109f903cf63c2ccef70eb8969cab189b278c4cea5388100a7cee

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.