Milonga

Recording by Astor Piazzolla.

Recording identifiers

ISRC
FRZ810303145
CopyrightID (CopyrightChains transaction hash)
0x2c1c56bc0f12f052ed2412e1e57b82aa98c7dc6b8189c807d1cf371c407ffcf7
Copyright registration time
2026-07-06T19:28:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ec7dd1a0510de44e6218913e7213274b055f179a75fd146a560feaa6e3c35dcd

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.