Tylko oczka zmruż

Recording by Natalia Kukulska.

Recording identifiers

ISRC
PLC591800130
CopyrightID (CopyrightChains transaction hash)
0x6da467742e4e24ab1594a3469e876f348805d49b2a0781246b154c5b9a4b1d04
Copyright registration time
2026-07-29T11:18:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:30:20Z
Bitcoin block
960099
Canonical record hash
sha256:d683fcf10e4a3c5977b718eb483bc0bcd234145d949a9b787a99387d84941ab4

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.