Otázky

Recording by Petr Skoumal.

Recording identifiers

ISRC
CZA169500684
CopyrightID (CopyrightChains transaction hash)
0xbdc58820b4c4d7f837ed9a6f7713afb1504e028b05e0aa576c85f60c714d08f4
Copyright registration time
2026-07-30T12:53:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:0ca7a704f7cadea8777ea22ccc3ae76033f6eca2b2e97604ca96d893c0ce078d

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.