ISRC NLB152100050
Verified recording
NLB152100050 is “Sonata for Two Pianos in D Major, K. 448/375a: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xa8ab88bf78855bbdb3bcb85d71d2b41e0a23f1952d1227eb437fd596ec633769 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152100050.
Recording identifiers
- ISRC
- NLB152100050
- Title
- Sonata for Two Pianos in D Major, K. 448/375a: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xa8ab88bf78855bbdb3bcb85d71d2b41e0a23f1952d1227eb437fd596ec633769
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:b5bd7d2d097c95aa46382bc5c4bfbf4e488d44fbd137c2a241b90d87ad4d2224- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152100050
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Sonata for Two Pianos in D Major, K. 448/375a: II. Andante · Machine-readable JSON-LD