Jako Tenkrát

Recording by Hana Zagorová.

Recording identifiers

ISRC
CZA161602161
CopyrightID (CopyrightChains transaction hash)
0x59811c51d2ba04716d5e004484f46a3fd8ce8d197e7ec46667596869b7cc97f4
Copyright registration time
2026-07-29T14:26:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:39cc962bb6372b3da91ecb9ec371d24ab4f1349ebd69a55c5cbaba75378b2b2d

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.