Lost&Found

Recording by Cozko.

Recording identifiers

ISRC
QZK6H2309296
CopyrightID (CopyrightChains transaction hash)
0x862e3ef081be62b93773feafa2e46b270b76621f7682629c948783a4573a5cee
Copyright registration time
2026-07-07T09:01:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:f2d89761dcc02e5c390ec54920377c40eb66ab2b9c673e116a157fc5a7ed8842

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.