Hold On - Sub Focus Remix

Recording identifiers

ISRC

USZ4V1000170

CopyrightID (CopyrightChains transaction hash)

0x3d5883b1738149157b802a67c8f13c2d3d61b9e3f992f7fe9a945e5fb5e6da47

Copyright registration time

2026-06-19T08:26:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:30:09Z

Bitcoin block

956302

Canonical record hash

sha256:bd7d8274c46af056e54eb4df7f8d1d2af038ea5b88792090fe0ed6924f24ebc6

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.