MASK

Recording by Notions.

Recording identifiers

ISRC
QZZ7N2491991
CopyrightID (CopyrightChains transaction hash)
0x7e07c815c7692f90344d62503cc759882904b4d6e8b1332ba537f213ad463da1
Copyright registration time
2026-06-19T21:57:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0386aef345adeaf7d8559d2caed05410b99d9b2f69f86a6dd5e5fdc61dbdb6c4

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.