ISRC DEF059631807
Verified recording
DEF059631807 is “Léonin / Pérotin: Magnus Liber / Feast of the Assumption of the Blessed Virgin Mary: Beata es, virgo Maria (à 2) (Offertory)” by Léonin,
registered on the CopyrightChains blockchain with CopyrightID
0x2183b268c6219b0f6e76de206e9e9ea92a95b2b5e4a148cf7cee1a8379c1dd37 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059631807.
Recording identifiers
- ISRC
- DEF059631807
- Title
- Léonin / Pérotin: Magnus Liber / Feast of the Assumption of the Blessed Virgin Mary: Beata es, virgo Maria (à 2) (Offertory)
- Artist
- Léonin
- CopyrightID (CopyrightChains transaction hash)
0x2183b268c6219b0f6e76de206e9e9ea92a95b2b5e4a148cf7cee1a8379c1dd37
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:4b9b9ae5514f58227ad32f6cabafa5afc8f3bb8a60eebe4aae86664a83f4e6de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059631807
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Léonin / Pérotin: Magnus Liber / Feast of the Assumption of the Blessed Virgin Mary: Beata es, virgo Maria (à 2) (Offertory) · Machine-readable JSON-LD