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Recording by Zbigniew Preisner.

Recording identifiers

ISRC
PLX352100043
CopyrightID (CopyrightChains transaction hash)
0x1450423b663554df17ae04809d77751c5c0ac0d1b77bcd55a981acb9ca0c66f3
Copyright registration time
2026-06-21T00:09:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a767c687854bb9b84bc1b5dc57d3a4b801db7af50ff5057c7dd2d44ff2c2ca40

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.