ISRC NLSB72300136
Verified recording
NLSB72300136 is “Missa Maria zart Osanna ut supra” by Jacob Obrecht,
registered on the CopyrightChains blockchain with CopyrightID
0xd8b6a86b2e2a74d2936bea5817b9c492c893f2ee132f4fb39924e5d5dab8a524 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300136.
Recording identifiers
- ISRC
- NLSB72300136
- Title
- Missa Maria zart Osanna ut supra
- Artist
- Jacob Obrecht
- CopyrightID (CopyrightChains transaction hash)
0xd8b6a86b2e2a74d2936bea5817b9c492c893f2ee132f4fb39924e5d5dab8a524
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:9d663ca1a78c18859ae305e3bfeb23c70aac899c134624669576fa8c9b7cba6f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300136
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Missa Maria zart Osanna ut supra · Machine-readable JSON-LD