A perfect day

Recording by Christian Janssen.

Recording identifiers

ISRC
NLG6Y2500003
CopyrightID (CopyrightChains transaction hash)
0x03f0680c077305226010c12eb9c1565d78efe13bf28198279fd53122a9a59506
Copyright registration time
2026-06-04T16:16:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:f31c75ccc19054661129bd0700efc28a1d077f1cdafa71b8c623edb9176df484

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.