Mass in C, K.317 "Coronation": 1. Kyrie

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
DEF059103252
CopyrightID (CopyrightChains transaction hash)
0x2eda4213a8dde8227dff86464073a6bdc4ee1e056067b2e8a15869b02f5183b4
Copyright registration time
2026-06-20T08:09:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:55fbc7ce96f9ca5ce48c47c6c8adfcb702da506c6c559b1e68baa4712321f820

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.