Lenko

Recording by Petr Spálený.

Recording identifiers

ISRC
CZA160800178
CopyrightID (CopyrightChains transaction hash)
0x0d3e148e6eabaaf190489868cbe467d30f845de95227cc8da67ff9b024b37825
Copyright registration time
2026-07-07T20:15:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:bbd63cbfa928595d335be51942af9247bbf948863c3f3df8b7090fcde571fd2e

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.