ISRC USSM12209967
Verified recording
USSM12209967 is “Piano Concerto No. 25 in C Major, K. 503: III. Allegretto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x0bef93b800da19d4a76ee97f8a18ad17ec330fc14bfbcd31aae29814cefb5b43 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/USSM12209967.
Recording identifiers
- ISRC
- USSM12209967
- Title
- Piano Concerto No. 25 in C Major, K. 503: III. Allegretto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x0bef93b800da19d4a76ee97f8a18ad17ec330fc14bfbcd31aae29814cefb5b43
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:c12f7b948d2a95e10d036021d8780f878ac9fb36879464c6905ea815b694fc5b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12209967
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Piano Concerto No. 25 in C Major, K. 503: III. Allegretto · Machine-readable JSON-LD