Requiem, K. 626: II. Kyrie (Orch. Beyer) - Live

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
DEF058802385
CopyrightID (CopyrightChains transaction hash)
0xdd50a0104c9c3fa15d176ba1f28d68489abd81c7a9d0d6a1e183f6a6ca7f45b7
Copyright registration time
2026-07-06T05:19:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:7a43bde3d4304afa54f68bd9b359de8716fb1d84e265e8b15778dafa5c8d8844

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.