ISRC USSM16001109
Verified recording
USSM16001109 is “West Side Story: Act II: Somewhere” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0xe6383bf652c47bdd363288fd59b29b81e29b4a9acba741ad82fc8380c93ee7a9 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM16001109.
Recording identifiers
- ISRC
- USSM16001109
- Title
- West Side Story: Act II: Somewhere
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0xe6383bf652c47bdd363288fd59b29b81e29b4a9acba741ad82fc8380c93ee7a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:38fc630563b7a42076b0767693f43c2d968c1739caa1bb203f30cfd5966444b4- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM16001109
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: West Side Story: Act II: Somewhere · Machine-readable JSON-LD