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Recording by Petra Janů.

Recording identifiers

ISRC
CZA168400093
CopyrightID (CopyrightChains transaction hash)
0x3f481ba0173840fb7280fd1a338f73e7fc1861b4b895763ae680195311844c96
Copyright registration time
2026-07-06T08:50:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:70beaa1b83d72e1e4577b7f33332d99672df83bf721d0bde6d212f6a1b74fe2f

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.