ISRC DEE861600080
Verified recording
DEE861600080 is “London Sketchbook No. 32: Duo for Violin and Viola, K. 15gg” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xe3e7fb671a9704bdeab04a7a3c832d7b9c0e96d280c7b35d952cc9cbe671263c and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE861600080.
Recording identifiers
- ISRC
- DEE861600080
- Title
- London Sketchbook No. 32: Duo for Violin and Viola, K. 15gg
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xe3e7fb671a9704bdeab04a7a3c832d7b9c0e96d280c7b35d952cc9cbe671263c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:9bc0d506e338621b2e7b996b6afdf680d5c2343d3ea1bfed60be2e2616bc781f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE861600080
- Bitcoin block existence check
- https://blockstream.info/api/block/960381
Full record
Track page: London Sketchbook No. 32: Duo for Violin and Viola, K. 15gg · Machine-readable JSON-LD