Toxic

Recording identifiers

ISRC

USSM12109633

CopyrightID (CopyrightChains transaction hash)

0xe479b8b5bde492a7662ceeead9d54226f4a7e0280100d028ad77f17b98bd704a

Copyright registration time

2026-06-04T06:57:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T15:41:10Z

Bitcoin block

953528

Canonical record hash

sha256:383d651605df6b2f710e34f72dfbd0a1e582ea8dc2f0bb2f21be0c4a14c89ac2

• 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.