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Recording by Marta Kubišová.

Recording identifiers

ISRC
CZA166900054
CopyrightID (CopyrightChains transaction hash)
0x13b61ee0400cebb37995eb4ff4038d7f19b0621ed7c73ec40d381f5416a6e78e
Copyright registration time
2026-07-30T00:58:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:10:20Z
Bitcoin block
960183
Canonical record hash
sha256:76c7ba9f250df70f2bdd8edf0201d1285da5324226fcd8a2cf7c3908e7e2baf3

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.