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Recording identifiers

ISRC

CZUM71900315

CopyrightID (CopyrightChains transaction hash)

0xea67381f6202bd2fb3e1f820b41c14ee71932e4a7cfe61f12fd0d1bb0b1a0d78

Copyright registration time

2026-06-18T04:14:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:30:09Z

Bitcoin block

956302

Canonical record hash

sha256:aa8ea926bbadb89f22b6396bdff954c6e809f42eb3dfb71f3d5670acf5c76e1f

• 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.