Katten

Recording by Klas Widén.

Recording identifiers

ISRC
SEYOK2131571
CopyrightID (CopyrightChains transaction hash)
0x5c9f3eee1689ac13a1ad41b9280838cfe52854a75eb8bf9fe7beb453887f850b
Copyright registration time
2026-06-28T04:24:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:221e1eb88e7163092543d7a334005d6e71e0d20fc6ccd1c1b7f61a0bd3475aef

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.