ISRC DEF059504450
Verified recording
DEF059504450 is “Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Antiphon: Vidi speciosam sicut columbam/Magnificat sexti toni” by Guillaume Dufay,
registered on the CopyrightChains blockchain with CopyrightID
0x785b6a7e72da0d4deacb5419e633175a3b840734e5d03994b7bfeab4e7b28800 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504450.
Recording identifiers
- ISRC
- DEF059504450
- Title
- Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Antiphon: Vidi speciosam sicut columbam/Magnificat sexti toni
- Artist
- Guillaume Dufay
- CopyrightID (CopyrightChains transaction hash)
0x785b6a7e72da0d4deacb5419e633175a3b840734e5d03994b7bfeab4e7b28800
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:3947b47015b2c347759ce10c456f7d07fad624c4419d16974668c9a98a9ed358- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504450
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Antiphon: Vidi speciosam sicut columbam/Magnificat sexti toni · Machine-readable JSON-LD