ISRC USSM11509695
Verified recording
USSM11509695 is “Piano Concerto No. 21 in C Major, K. 467: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xffb9f57d21fb1aa70034044344eee49ea3d9146325740bfb9b92a2119f7f440e and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11509695.
Recording identifiers
- ISRC
- USSM11509695
- Title
- Piano Concerto No. 21 in C Major, K. 467: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xffb9f57d21fb1aa70034044344eee49ea3d9146325740bfb9b92a2119f7f440e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:34499ac1512276188fb0bf9e4b4c962be19d8b99ba4997c4b3b4431cb04f8105- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11509695
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Piano Concerto No. 21 in C Major, K. 467: II. Andante · Machine-readable JSON-LD