ISRC FRZ149915030
Verified recording
FRZ149915030 is “Isorhythmic Motets: O gemma, lux et speculum - Sacer pastor Barensium (Franco-Flemish Polyphony)” by Guillaume Dufay,
registered on the CopyrightChains blockchain with CopyrightID
0xf23ac553ea3aab086ca7912b6ea8baa034ec308bff1291d5a413b4da85076b90 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149915030.
Recording identifiers
- ISRC
- FRZ149915030
- Title
- Isorhythmic Motets: O gemma, lux et speculum - Sacer pastor Barensium (Franco-Flemish Polyphony)
- Artist
- Guillaume Dufay
- CopyrightID (CopyrightChains transaction hash)
0xf23ac553ea3aab086ca7912b6ea8baa034ec308bff1291d5a413b4da85076b90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:321214135d221bc3591c28871470787b699f547808ac4e5f673d2df5a4906b52- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149915030
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Isorhythmic Motets: O gemma, lux et speculum - Sacer pastor Barensium (Franco-Flemish Polyphony) · Machine-readable JSON-LD