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Recording by Jacek Kotlarski.

Recording identifiers

ISRC
USWD12329403
CopyrightID (CopyrightChains transaction hash)
0x6b28f23facd06ca37f094208a9887724ac57b973437eaab6bc4dfdf4d6a4ba36
Copyright registration time
2026-07-07T00:17:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:42722fa96ad6c2549893e9ef2796dc853a84ddd81b2d791abff1e5a2f61d1e85

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.