Midnight in Buenos Aires

Recording by Astor Piazzolla.

Recording identifiers

ISRC
HKI190132913
CopyrightID (CopyrightChains transaction hash)
0x5d56ccd27aca0022740f47985757bfbd880e95db3ee359515acfdc56eb1bad12
Copyright registration time
2026-07-31T00:19:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:656dd5cdde96e4894e9eff506fc8eb8271109c49386e1b2d8f2525b4ce7f9df9

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.