ISRC USB8U1004158
Verified recording
USB8U1004158 is “Sinfonia concertante in E Major, W. C44: II. Larghetto” by Johann Christian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x8f00a9d96bf9bd4226b90511d6263454211f5be0b12dce9f0e6fddda5e807a3e and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1004158.
Recording identifiers
- ISRC
- USB8U1004158
- Title
- Sinfonia concertante in E Major, W. C44: II. Larghetto
- Artist
- Johann Christian Bach
- CopyrightID (CopyrightChains transaction hash)
0x8f00a9d96bf9bd4226b90511d6263454211f5be0b12dce9f0e6fddda5e807a3e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:23153bd966f32e7a5dbfcc3ab5460f18d98e4c712b65ecae2f95995b6edbe820- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1004158
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Sinfonia concertante in E Major, W. C44: II. Larghetto · Machine-readable JSON-LD