9LB Hammer in Hammersmith

Recording identifiers

ISRC

UKHF72400046

CopyrightID (CopyrightChains transaction hash)

0xb8d52040a79b396d814b8ae94e0f9e25de88e9ddf37d617ee1fe7bc8c810d377

Copyright registration time

2026-06-10T17:08:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T13:32:09Z

Bitcoin block

953520

Canonical record hash

sha256:31868070773da931b2dd9bbef72f76a7960f2e13caf8b323d0c9b6e594daa118

• 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.