Lék

Recording by Jan Nedved.

Recording identifiers

ISRC
CZA100110074
CopyrightID (CopyrightChains transaction hash)
0xab77b5e0d768fba83bc57e4a1ab97bf05234e0fc6bb270a82c4b755a02a3b761
Copyright registration time
2026-06-23T18:00:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:03086609600163ab94e2fb5e5bd6580e8f6ae705c73d76c8f52153e071f93682

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.