Rarely Pure, Never Simple

Recording by Frits Wentink.

Recording identifiers

ISRC
GB2SA1200100
Release date of the album this recording appears on
2015-03-12
CopyrightID (CopyrightChains transaction hash)
0x1ac0d8754d9908cbc47f12a75a9cc7269996ccfcc4015dfad553b0a384e7ddd9
Copyright registration time
2026-07-29T11:18:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:30:20Z
Bitcoin block
960099
Canonical record hash
sha256:71ee8f253fad93ad986976098d71710b7921285291040922f35f5f86ae5fcac4

What this proof establishes

This recording was released in 2015, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.