ISRC USSM10411925
Verified recording
USSM10411925 is “West Side Story (Original Broadway Cast): Act I: Cool” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0x71086a8bc6bb2a5c7a03740f408f6fda0b1b7d69871e409d5771cb582f25a0ae and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10411925.
Recording identifiers
- ISRC
- USSM10411925
- Title
- West Side Story (Original Broadway Cast): Act I: Cool
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0x71086a8bc6bb2a5c7a03740f408f6fda0b1b7d69871e409d5771cb582f25a0ae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:567f2927aca91329a4f3ea7cdea035cea1906964b814fdd288114f81df135ee8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10411925
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: West Side Story (Original Broadway Cast): Act I: Cool · Machine-readable JSON-LD