Compositum II - Instrumental

Recording by Leszek Możdżer.

Recording identifiers

ISRC
PL6A22331331
CopyrightID (CopyrightChains transaction hash)
0xee0e716dfd826e8a7c5acd14393357842247668902f870ad4f8e1de487e281ca
Copyright registration time
2026-07-30T01:19:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48Z
Bitcoin block
960185
Canonical record hash
sha256:4ebe33f67cbbac57297c214a0898181e6e8257279cbacade4a76da83c403a13b

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.