ISRC USBC16300346
Verified recording
USBC16300346 is “Trio for Piano, Violin and Cello No. 6 in E-Flat Major, Op. 70 No. 2: II. Allegretto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe6aa78050b2b9f9d3871f5cc8e3fee79358e4366f9f477d1fc304bba5bcfa993 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16300346.
Recording identifiers
- ISRC
- USBC16300346
- Title
- Trio for Piano, Violin and Cello No. 6 in E-Flat Major, Op. 70 No. 2: II. Allegretto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe6aa78050b2b9f9d3871f5cc8e3fee79358e4366f9f477d1fc304bba5bcfa993
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:2f7a851711f2f5f80b3e7c9d484d3ee729cd1d082c1947e9b3951a42c93ad877- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16300346
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Trio for Piano, Violin and Cello No. 6 in E-Flat Major, Op. 70 No. 2: II. Allegretto · Machine-readable JSON-LD