ISRC USCA20200180
Verified recording
USCA20200180 is “Unfair” by Nat King Cole,
registered on the CopyrightChains blockchain with CopyrightID
0x72a048b8c3feff87d861f29b07dbc320fd737fa99174652367a656a0f0a76f3b and independently timestamped
in Bitcoin block 960250 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCA20200180.
Recording identifiers
- ISRC
- USCA20200180
- Title
- Unfair
- Artist
- Nat King Cole
- CopyrightID (CopyrightChains transaction hash)
0x72a048b8c3feff87d861f29b07dbc320fd737fa99174652367a656a0f0a76f3b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T11:13:28+00:00
- Bitcoin block
- 960250
- Canonical record hash
sha256:807ad1f10b85364412ec9e1d009c1aec6bde0448b0d396a13c4e20a8d9b8221d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCA20200180
- Bitcoin block existence check
- https://blockstream.info/api/block/960250