Kumzitz 1

Recording by Leibish Posen.

Recording identifiers

ISRC
QZNWX2508671
CopyrightID (CopyrightChains transaction hash)
0xf3f547da84637611039855798267e5773ff162986540147e8e5a50d28d6c65e6
Copyright registration time
2026-07-07T07:59:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6219a25fa60070c454caa18c9802bdda5ca87e7ae2a8915338bfbec501064fdd

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.