ISRC DEF059504440
Verified recording
DEF059504440 is “Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Responsorium: Surge propera, columba mea” by Guillaume Dufay,
registered on the CopyrightChains blockchain with CopyrightID
0x9d62982e1f5b7673933b7ac8436b51723effc00827e78ebfc017651a9988e250 and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504440.
Recording identifiers
- ISRC
- DEF059504440
- Title
- Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Responsorium: Surge propera, columba mea
- Artist
- Guillaume Dufay
- CopyrightID (CopyrightChains transaction hash)
0x9d62982e1f5b7673933b7ac8436b51723effc00827e78ebfc017651a9988e250
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:2d45281aa76f77178df5e123a270e5f7b3db6badf9b039480b5848d8a4ae4c01- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504440
- Bitcoin block existence check
- https://blockstream.info/api/block/960354
Full record
Track page: Plainchant for Vespers I (Recollectio festorum beate Marie virginis): Responsorium: Surge propera, columba mea · Machine-readable JSON-LD