Pásek mi dej

Recording by Josef Laufer.

Recording identifiers

ISRC
CZA167900480
CopyrightID (CopyrightChains transaction hash)
0x304f6883065918dc07a8220a112f791a59135f4c2a9229eb5d126db7825d6462
Copyright registration time
2026-06-23T12:06:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5752b187a19ffab03efc20e98efb5152e07e9cc4c329b0e0305aab786ea65add

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.