El 30

Recording by Dupla Real.

Recording identifiers

ISRC
USANG2258504
CopyrightID (CopyrightChains transaction hash)
0x57f2a07d2fe92c35d3f387afd05f27d4ae992e4a16fc259e70c003489e9de197
Copyright registration time
2026-07-06T08:19:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T13:25:45Z
Bitcoin block
957041
Canonical record hash
sha256:eb7e68dd8accd6c02e079e89c380f6f450ca2b46c60d0129b46b065b66f40d91

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.