To By Nebylo Fér

Recording by Hana Zagorová.

Recording identifiers

ISRC
CZA161100952
CopyrightID (CopyrightChains transaction hash)
0x0b602fbdf84be09dc044af60500ad6cbc96da545caba54fb30338fe2ba945368
Copyright registration time
2026-06-08T19:34:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:c117b6a0ab44998591b286b966594beaf70bc2063b3fb769c0e8d321f0d45553

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.