ISRC USB8U1004136

Verified recording

USB8U1004136 is “Symphonie concertante in A Major, W. C34: II. Rondeau: Allegro assai” by Johann Christian Bach, registered on the CopyrightChains blockchain with CopyrightID 0x0867e1c5c65261c6fbe4f39e08b22f7037761fda041ab6fe0e3080b942b2bc01 and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1004136.

Recording identifiers

ISRC
USB8U1004136
Title
Symphonie concertante in A Major, W. C34: II. Rondeau: Allegro assai
Artist
Johann Christian Bach
CopyrightID (CopyrightChains transaction hash)
0x0867e1c5c65261c6fbe4f39e08b22f7037761fda041ab6fe0e3080b942b2bc01

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:31eea9687051c6754ef53cafcde40bc7872f16f39c68e3a315f47719bc355f0d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1004136
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: Symphonie concertante in A Major, W. C34: II. Rondeau: Allegro assai · Machine-readable JSON-LD