ISRC USSM10112742
Verified recording
USSM10112742 is “Company - Original Broadway Cast: The Ladies Who Lunch” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xa4449c319b3eaf5b5d047d86ea6d915d16f8ccc7c8bccd5d37307c10006028ac and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10112742.
Recording identifiers
- ISRC
- USSM10112742
- Title
- Company - Original Broadway Cast: The Ladies Who Lunch
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xa4449c319b3eaf5b5d047d86ea6d915d16f8ccc7c8bccd5d37307c10006028ac
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:d0a01601aaa196273b3f9d96827e70053c48bb92bba7a21077791eae68ff7d92- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10112742
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Company - Original Broadway Cast: The Ladies Who Lunch · Machine-readable JSON-LD