ISRC GBBBC2201499
Verified recording
GBBBC2201499 is “Violin Sonata No. 21 in E Minor, K. 304: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xe8280e6d778378d8b0ca58ec0a01bed87ae06a96003a1ea0b13c5524ea1b9a8a and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201499.
Recording identifiers
- ISRC
- GBBBC2201499
- Title
- Violin Sonata No. 21 in E Minor, K. 304: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xe8280e6d778378d8b0ca58ec0a01bed87ae06a96003a1ea0b13c5524ea1b9a8a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:b0f680cd5b5c8b28cad21bff779ccb6ddf68e1093b6dfa648003f47c36895692- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201499
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Violin Sonata No. 21 in E Minor, K. 304: I. Allegro · Machine-readable JSON-LD