ISRC USBC19400375

Verified recording

USBC19400375 is “Sonata for 2 Pianos in D Major, K. 448: II. Andante” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x30173482a83ba6d6709ae3bcc4801311415c436abf714b30ac2b574529753260 and independently timestamped in Bitcoin block 960327 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400375.

Recording identifiers

ISRC
USBC19400375
Title
Sonata for 2 Pianos in D Major, K. 448: II. Andante
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x30173482a83ba6d6709ae3bcc4801311415c436abf714b30ac2b574529753260

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26+00:00
Bitcoin block
960327
Canonical record hash
sha256:136282c13f67919ab746e29c83f6f7598ce319a2718d75212573ff05ec96c523
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400375
Bitcoin block existence check
https://blockstream.info/api/block/960327

Full record

Track page: Sonata for 2 Pianos in D Major, K. 448: II. Andante · Machine-readable JSON-LD