ISRC GBBZS1826813
Verified recording
GBBZS1826813 is “Sonata for 2 Pianos in D Major, K. 448: III. Allegro molto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb835e7768b684d50953bd9ef9e7cafb150ccb62ef48c5c47a7df0c2d36a8d256 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/GBBZS1826813.
Recording identifiers
- ISRC
- GBBZS1826813
- Title
- Sonata for 2 Pianos in D Major, K. 448: III. Allegro molto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb835e7768b684d50953bd9ef9e7cafb150ccb62ef48c5c47a7df0c2d36a8d256
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:a0a4470e6233b5ef00258feef147601d20172f3a578eaed441e405e2d53ad46d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBZS1826813
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Sonata for 2 Pianos in D Major, K. 448: III. Allegro molto · Machine-readable JSON-LD