ISRC USB961110524
Verified recording
USB961110524 is “Could I Leave You?” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xdc0f5d49e06bd3344b4cd8ffbd7327e68d9fb291f8c0d4773df0d57ae98319fc and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB961110524.
Recording identifiers
- ISRC
- USB961110524
- Title
- Could I Leave You?
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xdc0f5d49e06bd3344b4cd8ffbd7327e68d9fb291f8c0d4773df0d57ae98319fc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:8f5dad8497988b0c4280aae981bfd8a328bbd916bc3ed1c3305f8b27b2553e7f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB961110524
- Bitcoin block existence check
- https://blockstream.info/api/block/953520