The Tournament

Recording by Marcin Przybyłowicz.

Recording identifiers

ISRC
PLI364217840
CopyrightID (CopyrightChains transaction hash)
0xceb6f2d315114a0e0ac5b7ab566a0e5f7b690140b51fe9af93baf2b5cd79976c
Copyright registration time
2026-06-09T18:32:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ec2678998249526ab53e633b93c745abebffd0d85b0c9ca7b6669f855a1bdf6b

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.