ISRC NLA507101038
Verified recording
NLA507101038 is “The London Sketchbook, K. 15a-ss (Orch. Smith): [Notturno. Andantino] in D Major, K. 15bb” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xc94811ee6d9d384ea86b266c56d2dae75fe18f44c8c00e3ed7c4cdfda2c49016 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101038.
Recording identifiers
- ISRC
- NLA507101038
- Title
- The London Sketchbook, K. 15a-ss (Orch. Smith): [Notturno. Andantino] in D Major, K. 15bb
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xc94811ee6d9d384ea86b266c56d2dae75fe18f44c8c00e3ed7c4cdfda2c49016
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:f83cff9792e9605dd45b14100e4e043088b74094537601dca588313b14ac4fa5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101038
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: The London Sketchbook, K. 15a-ss (Orch. Smith): [Notturno. Andantino] in D Major, K. 15bb · Machine-readable JSON-LD