ISRC NLSB72300138
Verified recording
NLSB72300138 is “Missa Maria zart Agnus Dei II” by Jacob Obrecht,
registered on the CopyrightChains blockchain with CopyrightID
0x2044e7f328462f5e51bfb7ca70a2508587c0064cc31037a261079fa467a20f7d and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300138.
Recording identifiers
- ISRC
- NLSB72300138
- Title
- Missa Maria zart Agnus Dei II
- Artist
- Jacob Obrecht
- CopyrightID (CopyrightChains transaction hash)
0x2044e7f328462f5e51bfb7ca70a2508587c0064cc31037a261079fa467a20f7d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:0395925c5aa3d1673fc63a0ec4299753b8e80ee07a98946f02b5f52f0849c04b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300138
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Missa Maria zart Agnus Dei II · Machine-readable JSON-LD