ISRC GBBBC2201502
Verified recording
GBBBC2201502 is “Violin Sonata No. 21 in E Minor, K. 304: IIb. Dolce” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4720a0338e45bca4a66970464487532388375f4a8115889b4ec8e8b2ce01ca7d and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201502.
Recording identifiers
- ISRC
- GBBBC2201502
- Title
- Violin Sonata No. 21 in E Minor, K. 304: IIb. Dolce
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4720a0338e45bca4a66970464487532388375f4a8115889b4ec8e8b2ce01ca7d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:0c9f3e559b33ceea40956c448daa1949c9cc383865f1d1f7a8b55b75023d925c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201502
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Violin Sonata No. 21 in E Minor, K. 304: IIb. Dolce · Machine-readable JSON-LD