ISRC US6W62119799
Verified recording
US6W62119799 is “Could I Leave You?” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xde65ff0cd3494aed87cdb28d53e1dbcac33dc44b85de8da0f4419d20d0c1760c and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6W62119799.
Recording identifiers
- ISRC
- US6W62119799
- Title
- Could I Leave You?
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xde65ff0cd3494aed87cdb28d53e1dbcac33dc44b85de8da0f4419d20d0c1760c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:3871339e3394064aceb1289159d33efe377088e24f3004503eae6748eee6c529- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6W62119799
- Bitcoin block existence check
- https://blockstream.info/api/block/960468