Marley Marl Scratch - Demo #1

Recording identifiers

ISRC

USRH10902650

CopyrightID (CopyrightChains transaction hash)

0xd6c6b97886714a5e56f53826a9a0d0c542a78f2467d7a153f2e29815d262a191

Copyright registration time

2026-07-07T22:28:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:e038c15c5f92f07b978a6c383d3d2a68bfa8944e052e8853f73929060803104a

• 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.