The Joker

Recording identifiers

ISRC

USSM19913584

CopyrightID (CopyrightChains transaction hash)

0x637110237b252528ac56aa236e9dde03236ae313e444d1798f08a0f5b8e3960f

Copyright registration time

2026-06-22T16:01:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:d7ead2362c1523bb234d2a84d88bce9f43e806e56698058f26b7cc8c4701ad98

• 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.