Volver

Recording by Astor Piazzolla.

Recording identifiers

ISRC
ARU8P2100002
CopyrightID (CopyrightChains transaction hash)
0x2c77c8548c0ed0582e9d71dc61e6143882af8ebde69b50ce715a398da46d633e
Copyright registration time
2026-07-06T10:49:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:a6171e076a8f9047ae44800aba72594f4eea5180a22b68fa97e02f1554390aa3

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.