Worried Man Blues

Recording identifiers

ISRC

GBCQT2200132

CopyrightID (CopyrightChains transaction hash)

0x9f8c5575ce985dfe329ce6668d1c0274e5230afad29e6c1b86df47b52f789e82

Copyright registration time

2026-06-17T07:11:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-17T19:07:14Z

Bitcoin block

954130

Canonical record hash

sha256:ddc15f2d80b51b1c659bc40fc0671bb79f82256f156a940b4e19382e9e3492ea

• 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.