ISRC GBBBC2201501
Verified recording
GBBBC2201501 is “Violin Sonata No. 21 in E Minor, K. 304: IIa. Tempo di minuetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x99e3217b067ff88e147107ea6ad50fadf78dd5ce0194ce1960af42e2df902cc6 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/GBBBC2201501.
Recording identifiers
- ISRC
- GBBBC2201501
- Title
- Violin Sonata No. 21 in E Minor, K. 304: IIa. Tempo di minuetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x99e3217b067ff88e147107ea6ad50fadf78dd5ce0194ce1960af42e2df902cc6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1e4156aeb4714ef5d9eed2574ebfcd7f212c57478ecd263d9000b871e2d7501f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201501
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Violin Sonata No. 21 in E Minor, K. 304: IIa. Tempo di minuetto · Machine-readable JSON-LD