Korek

Recording by Sidney Polak.

Recording identifiers

ISRC
PLX311800008
CopyrightID (CopyrightChains transaction hash)
0x7ba7e80096cd5838a83d39cde81f4c53b2ecf30a019604f9b9ab2db79197cda0
Copyright registration time
2026-06-26T02:25:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:264270d5256ec64f8682a519bd506166bfbe0f4e9c21f509613cfb5cafd9f293

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.