C.P.K.

Recording by Unwritten Law.

Recording identifiers

ISRC
USS1N1130701
CopyrightID (CopyrightChains transaction hash)
0x700e93d2714c3feb519dce94237b9b3bc99fbf54b75c447eb7f8ca4f3223f2e0
Copyright registration time
2026-06-07T23:32:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:502c6b28f19ae54888b77a2ac294f819dc0ba12421b523429db19d729d193479

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.