ISRC NLA508642009
Verified recording
NLA508642009 is “Cassation in B-Flat Major, K. 99: III. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4f9b0f15235dd078ed6dc3f2fa2be803800f514b7b81075689eb837fe1cac407 and independently timestamped
in Bitcoin block 960379 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508642009.
Recording identifiers
- ISRC
- NLA508642009
- Title
- Cassation in B-Flat Major, K. 99: III. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4f9b0f15235dd078ed6dc3f2fa2be803800f514b7b81075689eb837fe1cac407
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:25:34+00:00
- Bitcoin block
- 960379
- Canonical record hash
sha256:d404700d8bc8bd4462eb441f2638d7557888867d764b1c4c548c9b8ed084857f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508642009
- Bitcoin block existence check
- https://blockstream.info/api/block/960379
Full record
Track page: Cassation in B-Flat Major, K. 99: III. Andante · Machine-readable JSON-LD