Requiem in E-Flat Minor: V. Confutatis

Recording by Józef Kozłowski.

Recording identifiers

ISRC
NLE422312505
CopyrightID (CopyrightChains transaction hash)
0x3d500fb9db5c2589aefeb2645a0d04c81422706970622647da1a149f50b4105e
Copyright registration time
2026-07-07T06:07:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6bd73fef8e7a9a400c21b9723daf897f46943dcb87222985bae8c2c0a25aaf40

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.