Pražský "Haus"

Recording by Petr Kotvald.

Recording identifiers

ISRC
CZA168900011
CopyrightID (CopyrightChains transaction hash)
0xc80ae74e9f135cc599c062b9c1dc1db75415e772ba6079ad528efbf7d5e90a45

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:5b9812d6db05a466b73ab69cdcbb889010b1a9277e766f1f2e2e02616dee6878

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.