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Recording by Jan Janga Tomaszewski.

Recording identifiers

ISRC
PLB171101156
CopyrightID (CopyrightChains transaction hash)
0xdbd4daffd4c9dcd4d32980a62cb049921cd337eab6094977d7109d712f9e89ac
Copyright registration time
2026-06-26T03:24:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0ec7895fa39f181d36c238abf135d3b56042d8ed01a1d973bcf117636732f307

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.