Koncert

Recording by Hana Zagorová.

Recording identifiers

ISRC
CZA168300083
CopyrightID (CopyrightChains transaction hash)
0x0d1fe74a3aa15e0c083d7fee3e9703ce01a916511349cc56bef3c954a58d959c
Copyright registration time
2026-07-31T18:07:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:36b5d5b6b507e98c2021dac2a4a292925ee88ab61a8591e1f61426bff2179f90

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.