ISRC USBC19100470
Verified recording
USBC19100470 is “Piano Sonata in C Major, K. 309: I. Allegro con spirito” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xfd9a4e2fecdff771e53a7ebfecf9b83631fed31f9d26b517e09755486d398117 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/USBC19100470.
Recording identifiers
- ISRC
- USBC19100470
- Title
- Piano Sonata in C Major, K. 309: I. Allegro con spirito
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xfd9a4e2fecdff771e53a7ebfecf9b83631fed31f9d26b517e09755486d398117
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:968b5aeb1467119de315eb211a3e3d98e0388d9bcedb5447fae22f33fd287d06- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100470
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata in C Major, K. 309: I. Allegro con spirito · Machine-readable JSON-LD