Olhos de Ressaca

Recording by Astor Piazzolla.

Recording identifiers

ISRC
ITJ641800057
CopyrightID (CopyrightChains transaction hash)
0x76892d4034c5829b60e4dabbb57222132c3615a07ee52406dc38d0b2e7755fca
Copyright registration time
2026-07-07T14:52:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:26026f54934db0fedc093500e2b93a4a803bf5088e59995bb9a0e17f1d3ca79b

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.