Kto tam u Ciebie jest

Recording by Ewa Błaszczyk.

Recording identifiers

ISRC
PLA800994111
CopyrightID (CopyrightChains transaction hash)
0xe863ff52e36c520535a3454ea2e5fe5f9d03eafbc18b8f7782df4214d39f1062
Copyright registration time
2026-07-07T20:48:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c7a928277b9dd2b6047f289f357108318e2e44ee020c422dca2917c83f3a636c

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.