Pieśn Ciszy

Recording by Wojciech Trzcinski.

Recording identifiers

ISRC
PLI061500003
CopyrightID (CopyrightChains transaction hash)
0x67ac51647b279cb93c5ac531b7a18cdc1f6ca0247fc5cb9fda89b0a3c344586e
Copyright registration time
2026-06-08T17:57:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6b1f0d0ededd00b4bd8da57a87522a612f0a2c38e62e59716935e9c385a09aa0

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.