The Mask

Recording identifiers

ISRC

NLFL72000466

CopyrightID (CopyrightChains transaction hash)

0x5c784fecc30e4e1d48ba2d9019b7ebe4bd92f3eae7dd98a2ac7c3d5f2cb22c55

Copyright registration time

2026-07-29T19:45:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T21:09:47Z

Bitcoin block

960144

Canonical record hash

sha256:be2f41c79fe656ea821931bd8f043fad231d8eb291be22476057ee238366739d

• 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.