ISRC NLSB72300122
Verified recording
NLSB72300122 is “Missa Maria zart Christe” by Jacob Obrecht,
registered on the CopyrightChains blockchain with CopyrightID
0xbd757b5927d428b4b2542092b60deec561e40161d310ef1dc1392d3968534468 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300122.
Recording identifiers
- ISRC
- NLSB72300122
- Title
- Missa Maria zart Christe
- Artist
- Jacob Obrecht
- CopyrightID (CopyrightChains transaction hash)
0xbd757b5927d428b4b2542092b60deec561e40161d310ef1dc1392d3968534468
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:7f69e1ac68deac6afc9c70402ba7fbc35f32d66259dd8fe090109532a5aabf32- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300122
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Missa Maria zart Christe · Machine-readable JSON-LD