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Recording by Marta Kubišová.

Recording identifiers

ISRC
CZA549506614
CopyrightID (CopyrightChains transaction hash)
0xd6d5683a073a5ccfbc04ccdb5ea236ec4ada5e394d8f0974c7f949c26e4ec1d5
Copyright registration time
2026-07-29T21:25:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:51:49Z
Bitcoin block
960150
Canonical record hash
sha256:3d44b13a0030977c5cd59ca84e0307c9c2235c32292282437110e83eb93db39f

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.