Focus

Recording by Hefner.

Recording identifiers

ISRC
QZNWX2033430
CopyrightID (CopyrightChains transaction hash)
0xf5b520a58d7b03cd1fc325a3d007a8343cf6c18b848012b2dbede9e1c612a719
Copyright registration time
2026-06-18T21:14:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8a734fd8ae96605c01d0fd07beeea52d46e6a7efd0418f59bb92916b9790525e

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.