Brno

Recording by Opia.

Recording identifiers

ISRC
CZB652100052
CopyrightID (CopyrightChains transaction hash)
0x3b6dad668710b5c0d05e19a699426fbbbdcda462b18a831869061caf5dd30959
Copyright registration time
2026-06-10T06:15:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:80f09e23143ae710695b4bcd1232ad6ce1df761d8a2f3ed1803118c907cb7973

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.