Utloukat cas

Recording by Petr Hapka.

Recording identifiers

ISRC
CZA110306078
CopyrightID (CopyrightChains transaction hash)
0x332760dd3b5fa1ff2ed56578496e430f0fc6c9cb3c2b6bb63b0d6e03a3775850
Copyright registration time
2026-06-17T04:56:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:261341a51fc07716996e65032f000f50162b6accbd768d8b620490240c31ac98

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.