Bouřka

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA167000061
CopyrightID (CopyrightChains transaction hash)
0xb4adea85a0fc07d9946ea6114a19c399f5a26a2b35de32d78cd343f128d5b5b4
Copyright registration time
2026-07-07T16:34:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:758e9ea697df0e26553985cdc71beb289e556cb838a1db5f38d03eff44c481d1

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.