Bylo By Dobré

Recording by Janek Ledecky.

Recording identifiers

ISRC
CZH681500047
CopyrightID (CopyrightChains transaction hash)
0x94a1e1ca4ceb7f2e256f2a880d4257b6886e930f6d05c3e41012033311d2b018
Copyright registration time
2026-07-07T04:37:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d9b588447e0f2f60186ec6975d59a9e2fdd123a9a660a8da34df2c24f7cd4e6e

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.