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Recording identifiers

ISRC

NLF290900021

CopyrightID (CopyrightChains transaction hash)

0xd21123bba4c773b79b4a0365728e4424d340e3f22f72fe8f75a59453d7afa9ea

Copyright registration time

2026-07-31T12:50:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T13:04:34Z

Bitcoin block

960403

Canonical record hash

sha256:11fc57f5ff3eef54451126ec2e1f4b78a4d5c2555d6de847dc058c056c944382

• 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.