ISRC USSM11703233
Verified recording
USSM11703233 is “West Side Story (Original Broadway Cast): Act II: Somewhere (Ballet) - 2017 Remastered Version” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0x8abd0c6bda01e006ee841fd6f346758b358997aabdc3f97eeb4e02c2b7499d8d and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11703233.
Recording identifiers
- ISRC
- USSM11703233
- Title
- West Side Story (Original Broadway Cast): Act II: Somewhere (Ballet) - 2017 Remastered Version
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0x8abd0c6bda01e006ee841fd6f346758b358997aabdc3f97eeb4e02c2b7499d8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:94c27bd0fc6934959448f4ba019a29e0f1ec8d67de0139db1fe80538d2d4cae0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11703233
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: West Side Story (Original Broadway Cast): Act II: Somewhere (Ballet) - 2017 Remastered Version · Machine-readable JSON-LD