Requiem, K. 626: Rex tremendae

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
GBMY51300205
CopyrightID (CopyrightChains transaction hash)
0xba99db64383af864bd75ef94a278a2aca886d9c4b1308c06d8c01790af613346
Copyright registration time
2026-06-07T01:14:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:4f2167017c0b1acfcc53ee0503b6b6f8f4dc3a1b64a16a8d7487d2ec6b6445f0

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.