ISRC USBB10400437
Verified recording
USBB10400437 is “Ko-Ko” by Duke Ellington,
registered on the CopyrightChains blockchain with CopyrightID
0xfb5efa795aaf016dfcec60799c2c3972d376c4a7b0669d0277b8659a14c8c997 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/USBB10400437.
Recording identifiers
- ISRC
- USBB10400437
- Title
- Ko-Ko
- Artist
- Duke Ellington
- CopyrightID (CopyrightChains transaction hash)
0xfb5efa795aaf016dfcec60799c2c3972d376c4a7b0669d0277b8659a14c8c997
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:911559694dae874a7308af4ed0a5d6309b43299789223db47dedbd478df2a0d2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBB10400437
- Bitcoin block existence check
- https://blockstream.info/api/block/953520