Requiem in D Minor, K. 626: II. Kyrie

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
GBASH1444902
CopyrightID (CopyrightChains transaction hash)
0xf5fc2fbf87244f8208ae93b002706befb1ed7fee86473792c42e5ae790af582a
Copyright registration time
2026-07-30T09:18:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:57:33Z
Bitcoin block
960240
Canonical record hash
sha256:2e67cf3c114ce5db356ae4236b063bb872ce380aba31b2e873451823b5165656

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.