ISRC NLSB72300135
Verified recording
NLSB72300135 is “Missa Maria zart Benedictus” by Jacob Obrecht,
registered on the CopyrightChains blockchain with CopyrightID
0xddefffd352d36b455a41c09eff6714e3755571fa21bcff735d952c0f6fe4cb47 and independently timestamped
in Bitcoin block 960497 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300135.
Recording identifiers
- ISRC
- NLSB72300135
- Title
- Missa Maria zart Benedictus
- Artist
- Jacob Obrecht
- CopyrightID (CopyrightChains transaction hash)
0xddefffd352d36b455a41c09eff6714e3755571fa21bcff735d952c0f6fe4cb47
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T02:22:04+00:00
- Bitcoin block
- 960497
- Canonical record hash
sha256:8811c33f21fcdbbc1f8a812e8c1d862b238c86a38bcd235ce81d483a94658a2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300135
- Bitcoin block existence check
- https://blockstream.info/api/block/960497
Full record
Track page: Missa Maria zart Benedictus · Machine-readable JSON-LD