ISRC NLA508642007
Verified recording
NLA508642007 is “Cassation in B-Flat Major, K. 99: I. Marche” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb61ae8bbe6f1f0f71dc4517950ba08e55be4bb9518725563312b382fe7934fa1 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508642007.
Recording identifiers
- ISRC
- NLA508642007
- Title
- Cassation in B-Flat Major, K. 99: I. Marche
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb61ae8bbe6f1f0f71dc4517950ba08e55be4bb9518725563312b382fe7934fa1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:f410ccb0d48e8d44b59d021ab220b11b3aa1f7900fccc4a3460d63b257f05443- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508642007
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Cassation in B-Flat Major, K. 99: I. Marche · Machine-readable JSON-LD