Purple Rain - Instrumental Version

Recording by The Cooltrane Quartet.

Recording identifiers

ISRC
ARF412400056
CopyrightID (CopyrightChains transaction hash)
0x8af6344073368b83c236fc55eb4bfbfcb7d5ee9ddccaed68c95e5fa5ec39515a
Copyright registration time
2026-07-04T00:09:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:6190723e5d0191dc6bcd697753929cff35fa01b709ccc36d13fa7be4c85b53d5

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.