Nu smet katten in till grannen igen

Recording by Nisse Hellberg.

Recording identifiers

ISRC
SEPQA1400347
CopyrightID (CopyrightChains transaction hash)
0x3717dfd7921e244598b75ee71018efb2d62b81eb478b85ccd2f326f395336f79
Copyright registration time
2026-06-08T15:54:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:93876b85ec4e4157ac11d237dd0eb149c6fd30910826ca806b42f92861311053

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.