ISRC NLB152100049
Verified recording
NLB152100049 is “Sonata for Two Pianos in D Major, K. 448/375a: I. Allegro con spirito” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb778d0285986b8d69589f9e5fcbf1ea6496fec1046a683369586f25b7fd1fbc6 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152100049.
Recording identifiers
- ISRC
- NLB152100049
- Title
- Sonata for Two Pianos in D Major, K. 448/375a: I. Allegro con spirito
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb778d0285986b8d69589f9e5fcbf1ea6496fec1046a683369586f25b7fd1fbc6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:a874df7a571e2129b1d9a5bb5452a8e1c1bccf34a9747f08c11a8bba99c9975f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152100049
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Sonata for Two Pianos in D Major, K. 448/375a: I. Allegro con spirito · Machine-readable JSON-LD