ISRC DEF059504420
Verified recording
DEF059504420 is “Plainchant for Vespers I (Recollectio festroum beate Marie virginis): Antiphon: Virgo puerum sistit in templo/Psalm 147: Lauda Iherusalem Dominum” by Guillaume Dufay,
registered on the CopyrightChains blockchain with CopyrightID
0x9f566667609f4c90b926a7caa70291498733c13b5a31569308804a8cc3ae13b3 and independently timestamped
in Bitcoin block 960513 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504420.
Recording identifiers
- ISRC
- DEF059504420
- Title
- Plainchant for Vespers I (Recollectio festroum beate Marie virginis): Antiphon: Virgo puerum sistit in templo/Psalm 147: Lauda Iherusalem Dominum
- Artist
- Guillaume Dufay
- CopyrightID (CopyrightChains transaction hash)
0x9f566667609f4c90b926a7caa70291498733c13b5a31569308804a8cc3ae13b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T04:52:22+00:00
- Bitcoin block
- 960513
- Canonical record hash
sha256:f0af2d8e0863767163e2243c3694b2ee04f7a1f20c33370966a47e67a0eb8f04- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504420
- Bitcoin block existence check
- https://blockstream.info/api/block/960513
Full record
Track page: Plainchant for Vespers I (Recollectio festroum beate Marie virginis): Antiphon: Virgo puerum sistit in templo/Psalm 147: Lauda Iherusalem Dominum · Machine-readable JSON-LD