Tvá Byla Noc, Je Ráno

Recording by Petr Rezek.

Recording identifiers

ISRC
CZA168500023
CopyrightID (CopyrightChains transaction hash)
0x80b51214c41f0c60aa0d18d013eb85397a230e6acf35ca2df4bbb85dbe925d7d
Copyright registration time
2026-07-31T21:08:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:f0f771e075411507806b0dbd33bf3318e1fbb9c2f77c968798a2a4e6b28f7037

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.