ISRC USB8U1004149
Verified recording
USB8U1004149 is “Sinfonia concertante in E-Flat Major, W. C41: II. Larghetto” by Johann Christian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x39e2a3defa53555f38dc012db8e68b910c6f12b81208ae84fc008f6e20a5db8d 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/USB8U1004149.
Recording identifiers
- ISRC
- USB8U1004149
- Title
- Sinfonia concertante in E-Flat Major, W. C41: II. Larghetto
- Artist
- Johann Christian Bach
- CopyrightID (CopyrightChains transaction hash)
0x39e2a3defa53555f38dc012db8e68b910c6f12b81208ae84fc008f6e20a5db8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7b773339ece5707c07254d08d051c72c86164aa35fd187d3162ee8601bc7bbbd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1004149
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sinfonia concertante in E-Flat Major, W. C41: II. Larghetto · Machine-readable JSON-LD