Kochana

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLA551800821
CopyrightID (CopyrightChains transaction hash)
0x04ae00ccad9b1e7e0db7a47e8113c8d648795c6db21d7eeb6678db0554935cc8
Copyright registration time
2026-07-06T04:22:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:6888f66a46cf5729be9e17516ed5ca9333a9be085b58ac07feaacfda40849135

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.