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