El 5-5

Recording by Martin Castillo.

Recording identifiers

ISRC
USA2P2126459
CopyrightID (CopyrightChains transaction hash)
0x68f3a82c796113e35bb73f0e92f0a40148225fd462ce9db3d893d20ab0943e8a
Copyright registration time
2026-07-06T07:14:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:af1d1038e1cbdfda5e363b9ae4aca2297b9bc036d7b5b039f15d27803cf6e297

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.