ISRC DEF059504380
Verified recording
DEF059504380 is “Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Antiphon: Tenebre diffugiunt/Psalm 112: Laudate pueri Dominum” by Guillaume Dufay,
registered on the CopyrightChains blockchain with CopyrightID
0x3e6c4ee635ad986f5a7202614011aadea33f77dbcf6dbefe5549332f7a67865b and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504380.
Recording identifiers
- ISRC
- DEF059504380
- Title
- Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Antiphon: Tenebre diffugiunt/Psalm 112: Laudate pueri Dominum
- Artist
- Guillaume Dufay
- CopyrightID (CopyrightChains transaction hash)
0x3e6c4ee635ad986f5a7202614011aadea33f77dbcf6dbefe5549332f7a67865b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:a1591256c90d52ddc2092bf048fd7dd7113a8d611484187cbea48bbe15956ec1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504380
- Bitcoin block existence check
- https://blockstream.info/api/block/960381
Full record
Track page: Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Antiphon: Tenebre diffugiunt/Psalm 112: Laudate pueri Dominum · Machine-readable JSON-LD