ISRC NLA507101054
Verified recording
NLA507101054 is “The London Sketchbook, K. 15a-ss (Orch. Smith): [Minuet] in E-Flat Major, K. 15cc - [Trio] in A-Flat Major, K. 15ff” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x09c81df5e07b5622adcfb0f2dc3f971025a094298051a2e197889a9c0fcb36dc and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101054.
Recording identifiers
- ISRC
- NLA507101054
- Title
- The London Sketchbook, K. 15a-ss (Orch. Smith): [Minuet] in E-Flat Major, K. 15cc - [Trio] in A-Flat Major, K. 15ff
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x09c81df5e07b5622adcfb0f2dc3f971025a094298051a2e197889a9c0fcb36dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:cdbe0e200fa686a7f16f251917539dd4c88d40079b82e367b583d4fc65916539- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101054
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: The London Sketchbook, K. 15a-ss (Orch. Smith): [Minuet] in E-Flat Major, K. 15cc - [Trio] in A-Flat Major, K. 15ff · Machine-readable JSON-LD