El Opio

Recording by Carlos Di Sarli y su Orquesta Típica.

Recording identifiers

ISRC
NLHR52070968
CopyrightID (CopyrightChains transaction hash)
0x6949dacef4d19cbaf1f235ff97056ed9b0007f0dffbf82d277f28578079e4fe6
Copyright registration time
2026-07-07T19:20:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:77a007e9d2d8b9438157a1d8dceda32b88019bc6cf77871602bd25a3d1839613

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.