Pozdro Bis

Recording by Kleszcz.

Recording identifiers

ISRC
PL14O2100006
CopyrightID (CopyrightChains transaction hash)
0xd8ccd30cd84e782b5d681f06a9db81c46a535757b02bbeffe37321cf84043065

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:843460204943b08a9d21b816dcb25d5e7750d906b022b24a91cd4844332da691

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.