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Recording by Helena Vondráčková.

Recording identifiers

ISRC
CZUM72200504
CopyrightID (CopyrightChains transaction hash)
0x2abc63618d90e6b2e27372eadfdc0d1120956ffbc2d1a756ca5a26beeb865b83
Copyright registration time
2026-07-30T16:05:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:dc55dacda18945baa170a6842de89194389054a43ad90b71078da36bc91a21c4

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.