ISRC USB8U1011313
Verified recording
USB8U1011313 is “Viola da Gamba Sonata in C Major, Wq. 136, H. 558: II. Allegretto” by Carl Philipp Emanuel Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x387defcd8c86c145a0a711821135c837f14ba25a77eecc1f8855c500a786b094 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/USB8U1011313.
Recording identifiers
- ISRC
- USB8U1011313
- Title
- Viola da Gamba Sonata in C Major, Wq. 136, H. 558: II. Allegretto
- Artist
- Carl Philipp Emanuel Bach
- CopyrightID (CopyrightChains transaction hash)
0x387defcd8c86c145a0a711821135c837f14ba25a77eecc1f8855c500a786b094
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2f23fdd3e6976224ea9ebfa608a90a84d6f3d58c81b1b795498d49458b5a48c5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1011313
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Viola da Gamba Sonata in C Major, Wq. 136, H. 558: II. Allegretto · Machine-readable JSON-LD