ISRC USSM12209965
Verified recording
USSM12209965 is “Piano Concerto No. 25 in C Major, K. 503: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xaa4313f039d203e7d91d73f822756d898f78c2ee7b7c3c1b4326b2e6fef23aef 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/USSM12209965.
Recording identifiers
- ISRC
- USSM12209965
- Title
- Piano Concerto No. 25 in C Major, K. 503: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xaa4313f039d203e7d91d73f822756d898f78c2ee7b7c3c1b4326b2e6fef23aef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:512f7c264e69143df708b4a47209dd86e0495595370c5b7a2e5c286fc616f06d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12209965
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 25 in C Major, K. 503: I. Allegro maestoso · Machine-readable JSON-LD