ISRC USX761695113
Verified recording
USX761695113 is “Smile” by Nat King Cole,
registered on the CopyrightChains blockchain with CopyrightID
0xdb5f1a119b045dcefc6b26b05ef83b677fe42b59e770a66e042ed80dcfeac4a6 and independently timestamped
in Bitcoin block 960376 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761695113.
Recording identifiers
- ISRC
- USX761695113
- Title
- Smile
- Artist
- Nat King Cole
- CopyrightID (CopyrightChains transaction hash)
0xdb5f1a119b045dcefc6b26b05ef83b677fe42b59e770a66e042ed80dcfeac4a6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:09:19+00:00
- Bitcoin block
- 960376
- Canonical record hash
sha256:c57ddf1fb9a78b8c9120c91ac85a3fdb46e36d366beb7a640b24f4746b07e0f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761695113
- Bitcoin block existence check
- https://blockstream.info/api/block/960376