Pražský "Haus"

Recording by Petr Kotvald.

Recording identifiers

ISRC
CZA161300739
CopyrightID (CopyrightChains transaction hash)
0x96f9272663f08f3f360cd72ae541ccc60b37553f0e49b09cdf1d1b3fc0854b21
Copyright registration time
2026-07-07T16:17:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:9e4298831d1d096fc2ad31a72d3f8abfbc8336ce19eadd1c43650c4151031f04

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.