Katharina

Recording by Jan Smit.

Recording identifiers

ISRC
DEN120403009
CopyrightID (CopyrightChains transaction hash)
0x45e04aaf8643f814b553619d29f6134b359c929f21c5c6d60f0e90ea8ad235a0
Copyright registration time
2026-07-31T19:42:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:e64bca30a4fe697f4312fbac96b47fd7b42635f00b19490d67bf417df6b6d477

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.