2 Chatki (2 Cabins), Op. 1: Overture

Recording by Karol Kazimierz Kurpinski.

Recording identifiers

ISRC
PLB359601901
CopyrightID (CopyrightChains transaction hash)
0x53a55277b26aff4070422c0215debe7538d3df087c3d398286ecddbf43a03b02
Copyright registration time
2026-07-31T07:01:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:c7f25b83b2b92421e83937732a57739cb7d9a875a6c0d0e555fa0909b46f2119

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.