Kombinatoryka

Recording by Polska Wersja.

Recording identifiers

ISRC
PLC061605009
CopyrightID (CopyrightChains transaction hash)
0x1d4ef41e50d66a47cd0c1f797ec0e8c0ae2f474b868c6d46113b6d86665f0ded
Copyright registration time
2026-06-09T19:05:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cd1de890a96854f5d1f73dd70481af17e9cfc1643ed31eab4515d2d91133b07e

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.