Polarizing Whirl

Recording by Justine Perry.

Recording identifiers

ISRC
CH6542211600
CopyrightID (CopyrightChains transaction hash)
0x93b23447568732d7fb249da2d867afc5b775d94cbcfd48cc4f997ed88c3e4540
Copyright registration time
2026-07-07T19:20:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0ce882a137c847d55ad90cfc8c23b65ff7d8f471e07bdbb5e7d87cd5a8b6741c

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.