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Recording identifiers

ISRC

NL4GR2000003

CopyrightID (CopyrightChains transaction hash)

0xf2dc3ce33fc3ba5cc2817f7465aea532d6cf422c5699cb3f3ad48fb6bdc8044c

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T22:27:30Z

Bitcoin block

960321

Canonical record hash

sha256:b1a75974822193dc838cb270c73f8b4f2d4b7f002c6a65737a48fde424843b5f

• 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.