To Bych Si Přál

Recording by Karel Zich.

Recording identifiers

ISRC
CZA168400296
CopyrightID (CopyrightChains transaction hash)
0x3e3d1511a36d0d758e2d6fcd660cccefd634abbc933b954fd2ea6e12da3fcc16
Copyright registration time
2026-07-07T00:24:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b8b25a0784df085edc226a92f04b30d3e96c94a3f31b466d2ab56a316a6f43ce

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.