Leken Hos Kokk-Sofia

Recording by Sven Nyhus.

Recording identifiers

ISRC
USA560560269
CopyrightID (CopyrightChains transaction hash)
0xfb64431523447173108bb2589104c1b4ed941f65322cb7ec391a0ad962c266f2
Copyright registration time
2026-07-31T09:58:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T10:20:10Z
Bitcoin block
960389
Canonical record hash
sha256:607c522a34e9b4ed73e7ad20fab50236a639c5348a23db02b0cd9d147e7a23c9

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.