Snad jsem to zavinil já

Recording by David Deyl.

Recording identifiers

ISRC
CZA163303802
CopyrightID (CopyrightChains transaction hash)
0xec1d72b19a7b0f9bea5972f2d2185deefcacba684cfa5e279ad1e0ed0e1531f3
Copyright registration time
2026-06-23T18:02:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2e565684aed55eee64fc3199b1de9d5fd049e3979f804ccd5b94658cd91aa912

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.