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Recording by Polska Wersja.

Recording identifiers

ISRC
PLC061705647
CopyrightID (CopyrightChains transaction hash)
0x41646551a79aa86e3f424a34936b8c559810a14645b2d3c3e001169dbd72f74e
Copyright registration time
2026-06-18T20:21:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7a8d3121d48c9246dfba870c38adbcdc51f1f1da500519fafb9ee0e87b2213f5

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.