ISRC USCA28600313
Verified recording
USCA28600313 is “Who's Sorry Now?” by Nat King Cole,
registered on the CopyrightChains blockchain with CopyrightID
0x434f5897c21ee07a0c7a7de1ed7dc30a5a633a6b7cdd51da20a1ca26ba1898f0 and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCA28600313.
Recording identifiers
- ISRC
- USCA28600313
- Title
- Who's Sorry Now?
- Artist
- Nat King Cole
- CopyrightID (CopyrightChains transaction hash)
0x434f5897c21ee07a0c7a7de1ed7dc30a5a633a6b7cdd51da20a1ca26ba1898f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:09ad7d12bbd51962320987b9779be75fed1fd9f8ba1e9c1157c576b5351b99ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCA28600313
- Bitcoin block existence check
- https://blockstream.info/api/block/960489