Cicha Noc

Recording by Aleksandra Kurzak.

Recording identifiers

ISRC
PLUM71201125
CopyrightID (CopyrightChains transaction hash)
0xf22126a46e39ccc5ed04127b1dac14a540293431d8e05a1d911be4450d52118f
Copyright registration time
2026-06-19T12:27:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f203258ef60033ee88d45dfa2c550f0a669fe6f6ef81c357436ad412d43a81af

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.