Buenos Aires Hora Cero

Recording by Astor Piazzolla.

Recording identifiers

ISRC
ARF109700639
CopyrightID (CopyrightChains transaction hash)
0x342ab2626ac3adb7620a7e962219cdfa9cc6902f7382ccd4e0fdb92a9189ec92
Copyright registration time
2026-07-07T18:30:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:426ff7aa6010378b2be918fee38c438a281d20f5ba56725f9ebb39b5919047a2

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.