ISRC USSM15700508
Verified recording
USSM15700508 is “Tonight - from "West Side Story"” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0x1e430f075d413829ba7a0ed0e9e2f498b961b532c5ed0b13f21d4e6368d3f2e5 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15700508.
Recording identifiers
- ISRC
- USSM15700508
- Title
- Tonight - from "West Side Story"
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0x1e430f075d413829ba7a0ed0e9e2f498b961b532c5ed0b13f21d4e6368d3f2e5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:7951db22d0020591c002cf4fc4e3492b9ecb9f9276cfdcde6fe3f3d9ed2f190e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15700508
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Tonight - from "West Side Story" · Machine-readable JSON-LD