El 805

Recording by Martin Marquez.

Recording identifiers

ISRC
USL4R2128844
CopyrightID (CopyrightChains transaction hash)
0x4dc9dfe914243ef117b087ab7fc2baa76d84fb8298af8a5bedfc3d8ebb3ddd68
Copyright registration time
2026-07-07T00:19:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c89a9374ecaa45c3e1522181143210814d1ecf5500c27995dbadb49aebf055b0

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.