Ciszej

Recording by Gosia Andrzejewicz.

Recording identifiers

ISRC
PLC061403837
CopyrightID (CopyrightChains transaction hash)
0x31adbaf1093f65c2fe8204b5e5545206a5195b15ab0c81f3b694a6524a0c2b1d
Copyright registration time
2026-07-30T06:49:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:0caf588fe5878f2102de7f4cd4c8eed78cf8c6bfb5b5cac8d0146d597138d47a

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.