A Perfect Day

Recording by Klaus Schulze.

Recording identifiers

ISRC
DEBL61317446
CopyrightID (CopyrightChains transaction hash)
0x8373376c6044db6a615bc7362037913579fbe01d4ed7df02c4ea9de4c4f595ce
Copyright registration time
2026-07-31T13:13:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:26:30Z
Bitcoin block
960407
Canonical record hash
sha256:82658db841c77bd572e1828db69964c04a1839ddd1e258bedf73fcfd74787f31

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.