Call to Arms (Berlin 2011)

Recording identifiers

ISRC

UKKY81900014

CopyrightID (CopyrightChains transaction hash)

0x5880ab2d028c7f86a0b39bb5573dc7dfe194363dc38124a5a631c8a009e25801

Copyright registration time

2026-07-06T10:17:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T18:39:05Z

Bitcoin block

957073

Canonical record hash

sha256:fad6d72249a3e34fc35b6156d86958d332da3ef5c99bd06e33a43fd81251528a

• 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.