Kochanie

Recording by Artur Sikorski.

Recording identifiers

ISRC
PLUM72200700
CopyrightID (CopyrightChains transaction hash)
0xafd5bbb6a1962aee664922500c352068533666e40302db807d0264d651b2484b
Copyright registration time
2026-07-06T03:49:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:5e69c884ee9f4ef8c7fb959da10b71b4fc3d754b955fef4cda542d5f5020a9ca

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.