Sub Focus

Recording by Durs.

Recording identifiers

ISRC
DEKC41400164
CopyrightID (CopyrightChains transaction hash)
0x6627b7d879f6dec7f51ad036f51aac8258da426949882162dfc6a55b1d20fa1b
Copyright registration time
2026-07-06T00:23:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:5235e46a26e1fd85115aa6b2282f5e9a0d9af6201b35ce0d541dd73fc1ecc255

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.