To Whom This May Concern

Recording by E-40.

Recording identifiers

ISRC
USJI10000440
CopyrightID (CopyrightChains transaction hash)
0x9b5d7d36c2b8d767a4280f6d60c638f2a8553f0395c2b972250c9d6759ceee5f
Copyright registration time
2026-06-25T08:20:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a61352bc7bda87eeef52800f0621f96d703b4bd25912730e305aaafe7e636569

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.