Messa da Requiem for Soloists, Chorus and Orchestra: II. Dies Irae: Rex tremendae majestatis

Recording identifiers

ISRC

USSM17000399

Release date of the album this recording appears on

1970

CopyrightID (CopyrightChains transaction hash)

0x46cdab547930363b76218df4dbcd800c23d2dfa9b51fd08ac858278f84d53da9

Copyright registration time

2026-07-06T18:09:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-14T18:13:17Z

Bitcoin block

958041

Canonical record hash

sha256:c09c24fe9adacdd8af9eb4978460f93bcc76e674e80e3e4dd24805ab8220fb6a

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USSM17000399

What this proof establishes

This recording was released in 1970, 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.