Nerwica w granicach normy

Recording by Ewa Błaszczyk.

Recording identifiers

ISRC
PLB171200261
CopyrightID (CopyrightChains transaction hash)
0x99a4406424026c64f851656f97b597a17b5baf19d825f6061edf43b005c6eb37
Copyright registration time
2026-06-19T00:40:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1890a423dfab9a0e55bbc8fe7b6b00edc4e8beb5f80345a36884e40983220a6d

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.