Derecho Viejo

Recording by Osvaldo Pugliese.

Recording identifiers

ISRC
DEXO52455449
CopyrightID (CopyrightChains transaction hash)
0x3a1c287afb8167ff12c254607a3d6f1ebcc569b3c74be039928a47ff8a88db54
Copyright registration time
2026-07-07T22:01:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c001583bed8c650a5d13e666e8762b705190e03006d5e456ad8cc246012698aa

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.