ISRC DEF055604000
Verified recording
DEF055604000 is “Organum duplum: Judaea et Jerusalem” by Léonin,
registered on the CopyrightChains blockchain with CopyrightID
0x331c0d22f8ac0b0ebacf82ecf7a5c8fb66cc6f77af18ce87bc9dc13eacff0890 and independently timestamped
in Bitcoin block 960145 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055604000.
Recording identifiers
- ISRC
- DEF055604000
- Title
- Organum duplum: Judaea et Jerusalem
- Artist
- Léonin
- CopyrightID (CopyrightChains transaction hash)
0x331c0d22f8ac0b0ebacf82ecf7a5c8fb66cc6f77af18ce87bc9dc13eacff0890
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:13:37+00:00
- Bitcoin block
- 960145
- Canonical record hash
sha256:69012353d63818108e375e9eea211b290a34bd639c6846a26a6b71c527392fc2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055604000
- Bitcoin block existence check
- https://blockstream.info/api/block/960145
Full record
Track page: Organum duplum: Judaea et Jerusalem · Machine-readable JSON-LD