ISRC NLB152100051
Verified recording
NLB152100051 is “Sonata for Two Pianos in D Major, K. 448/375a: III. Allegro molto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x0c6fe7239b74e0ad5313d29874fff8377c8c077528a61753a708a60fe999bc69 and independently timestamped
in Bitcoin block 957052 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152100051.
Recording identifiers
- ISRC
- NLB152100051
- Title
- Sonata for Two Pianos in D Major, K. 448/375a: III. Allegro molto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x0c6fe7239b74e0ad5313d29874fff8377c8c077528a61753a708a60fe999bc69
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:50:41+00:00
- Bitcoin block
- 957052
- Canonical record hash
sha256:1eb735fa67315c532c7ae207034046cee640028a618368eb5f724481c1a669e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152100051
- Bitcoin block existence check
- https://blockstream.info/api/block/957052
Full record
Track page: Sonata for Two Pianos in D Major, K. 448/375a: III. Allegro molto · Machine-readable JSON-LD