Łza Zwana Tęsknotą

Recording by Dominika Żyłka; Janusz Żyłka.

Recording identifiers

ISRC
PLJ621301412
CopyrightID (CopyrightChains transaction hash)
0xb584332d3308f46c3fce9f2cb1baaccce6b4d0ef8f6bb2fcdf9de378d70cc6bf
Copyright registration time
2026-07-31T04:30:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:e1827153b066c7ce28fe9a05f3ff2d40b033528f57674492634cd9fac75d0f9b

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.