ISRC USBC19400376
Verified recording
USBC19400376 is “Sonata for 2 Pianos in D Major, K. 448: III. Allegro molto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x43521e987c9dc727a485d587b198d654771b43f501819fe3358c31ba5feb41ee and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400376.
Recording identifiers
- ISRC
- USBC19400376
- Title
- Sonata for 2 Pianos in D Major, K. 448: III. Allegro molto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x43521e987c9dc727a485d587b198d654771b43f501819fe3358c31ba5feb41ee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0101b1c3dad2422600670eb59d891ec4f3b67940271d30d1a5c40673c823cc3b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400376
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata for 2 Pianos in D Major, K. 448: III. Allegro molto · Machine-readable JSON-LD