Niczyja

Recording by Agnieszka Chylińska.

Recording identifiers

ISRC
PLH012400009
CopyrightID (CopyrightChains transaction hash)
0xe98b6ded134c1adcd4f9461196f1502396e422f97826edce0c2c25f25314f0a3
Copyright registration time
2026-06-19T20:12:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2ca95961bf54b5d705b7b736eae10cf7ec4407fb85dc6eb7c500e06ed4e3b27b

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.