ISRC NLSB72300121
Verified recording
NLSB72300121 is “Missa Maria zart Kyrie I” by Jacob Obrecht,
registered on the CopyrightChains blockchain with CopyrightID
0xaaddbcf23cc36ee4e506b62883b405ff97b08584f9efafeeabc87acb1e46100a and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300121.
Recording identifiers
- ISRC
- NLSB72300121
- Title
- Missa Maria zart Kyrie I
- Artist
- Jacob Obrecht
- CopyrightID (CopyrightChains transaction hash)
0xaaddbcf23cc36ee4e506b62883b405ff97b08584f9efafeeabc87acb1e46100a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:c25deb81f06927aae80bcfbd03c77f4b6998e5a6be03402c89e4a5cc00083acc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300121
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Missa Maria zart Kyrie I · Machine-readable JSON-LD