Otázky

Recording by Lucie Bílá/Petr Janda.

Recording identifiers

ISRC
CZA231100481
CopyrightID (CopyrightChains transaction hash)
0x1452fa357be3359105240af1bac38ea3511aa494a5c15067b8105a7be91c10d1
Copyright registration time
2026-07-06T20:08:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5a289197ceb2d9e51db9ac4f6abefb18a245a8ddfd4df63113ae2ff823d35c5b

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.