ISRC GBAYC8401322

Verified recording

GBAYC8401322 is “Missa 'Mi-Mi' (Missa Quarti Toni) a 4: I. Kyrie” by Johannes Ockeghem, registered on the CopyrightChains blockchain with CopyrightID 0x583cf2504ace73b9e9d2061eb78f756c4f8af308e219542ef2b34beee9a1e46c and independently timestamped in Bitcoin block 960105 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8401322.

Recording identifiers

ISRC
GBAYC8401322
Title
Missa 'Mi-Mi' (Missa Quarti Toni) a 4: I. Kyrie
Artist
Johannes Ockeghem
CopyrightID (CopyrightChains transaction hash)
0x583cf2504ace73b9e9d2061eb78f756c4f8af308e219542ef2b34beee9a1e46c

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T12:35:17+00:00
Bitcoin block
960105
Canonical record hash
sha256:6d33f5d4fb5ae80f5b73b32cbbf38fc339370b8f080aaa9adfdc16eda58481c5
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8401322
Bitcoin block existence check
https://blockstream.info/api/block/960105

Full record

Track page: Missa 'Mi-Mi' (Missa Quarti Toni) a 4: I. Kyrie · Machine-readable JSON-LD