Killer

Recording identifiers

ISRC

USMR18210016

CopyrightID (CopyrightChains transaction hash)

0x60a78336591bc3de50e76ea6ba9dd7c762e8829e32341e78aba2d3ebb25c650d

Copyright registration time

2026-07-06T20:50:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:6fb862b96efb1bd065da6486cfd8b6694e31fcad30cc8b6e678d25d8513a9963

• 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.