Requiem. Missa della morte in C: No. 6, Kyrie eleison II

Recording by Frantisek Tuma.

Recording identifiers

ISRC
CZA162100949
Release date of the album this recording appears on
2021-10-15
CopyrightID (CopyrightChains transaction hash)
0x59872ad90b046c895d464ee42b4ee524db1de3ce4add53454ac93e25751c1405
Copyright registration time
2026-07-07T09:13:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:791f1c1d23ff2d4e430e944108cb1ebb2e5448e2a0c3c68d433e9543efda011f

What this proof establishes

This recording was released in 2021, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.