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Recording by Marta Kubišová.

Recording identifiers

ISRC
CZA166700042
CopyrightID (CopyrightChains transaction hash)
0x848d963062a472bc75deea984e974a7670419a7537f5127962fd8588605ef72d
Copyright registration time
2026-06-04T14:26:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:57d2e32efe0d25b3ac7a7cc4f059ca182ef594fbfd231995475e4261b5f24a8a

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.