ISRC NLA507101040
Verified recording
NLA507101040 is “The London Sketchbook, K. 15a-ss (Orch. Smith): [Minuet] in A Major, K. 15i - [Trio] in A Minor, K. 15k” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xa89854037ebad78e94a1819392f321032f7dd3fafa71d1e7ef85c47721667777 and independently timestamped
in Bitcoin block 960294 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101040.
Recording identifiers
- ISRC
- NLA507101040
- Title
- The London Sketchbook, K. 15a-ss (Orch. Smith): [Minuet] in A Major, K. 15i - [Trio] in A Minor, K. 15k
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xa89854037ebad78e94a1819392f321032f7dd3fafa71d1e7ef85c47721667777
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:46:00+00:00
- Bitcoin block
- 960294
- Canonical record hash
sha256:34511ad3aa195c19f5fdbd786462da3de24f76f590e18d1a69e84e257e4beef2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101040
- Bitcoin block existence check
- https://blockstream.info/api/block/960294
Full record
Track page: The London Sketchbook, K. 15a-ss (Orch. Smith): [Minuet] in A Major, K. 15i - [Trio] in A Minor, K. 15k · Machine-readable JSON-LD