Utopia

Recording identifiers

ISRC

NLCK42238325

CopyrightID (CopyrightChains transaction hash)

0xb9f0a291f0a774b6ee0ad0f833da174093b7ddf71c9fda03f0729b5208e3bcc4

Copyright registration time

2026-07-05T04:37:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-06T07:53:57Z

Bitcoin block

956894

Canonical record hash

sha256:a157f5c897bd46cafa78e6f6e1a4801e28ba4b2fb94bba23541f2915a0942255

• 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.