Dotazník

Recording by Petr Rezek.

Recording identifiers

ISRC
CZA167800023
CopyrightID (CopyrightChains transaction hash)
0xea284c06b11b445712060e7cbc63eee7bde7ce8cd63b475d5d9267b5558b3082
Copyright registration time
2026-07-29T12:59:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:cd2f1e609e852a8008905ad4ce05ed6013c723e9d415cdb341287c2c770c2ac3

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.