ISRC USBC19400374
Verified recording
USBC19400374 is “Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x843c214b054553876bdab1efe96503a9b861577294db8e85dad58f4ef86c49fc and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400374.
Recording identifiers
- ISRC
- USBC19400374
- Title
- Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x843c214b054553876bdab1efe96503a9b861577294db8e85dad58f4ef86c49fc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:a7c9c2c9bf8bbff9c5db89f426bf2d8b0cf1889b6f105bcbd5a40ecd7d199ab6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400374
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito · Machine-readable JSON-LD