ISRC NLA507101035
Verified recording
NLA507101035 is “The London Sketchbook, K. 15a-ss (Orch. Smith): [Andante] in B-Flat Major, K. 15q” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xdbb599a9ae3a15e0c88edbf3ae837a11de0ed05789ad2874fc3d884039487d54 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101035.
Recording identifiers
- ISRC
- NLA507101035
- Title
- The London Sketchbook, K. 15a-ss (Orch. Smith): [Andante] in B-Flat Major, K. 15q
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xdbb599a9ae3a15e0c88edbf3ae837a11de0ed05789ad2874fc3d884039487d54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:57fd0b1e05cb9e2c2f12f3d80ed5c88a9c3f282357418e83c2f465be10faf9f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101035
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: The London Sketchbook, K. 15a-ss (Orch. Smith): [Andante] in B-Flat Major, K. 15q · Machine-readable JSON-LD