ISRC HKI191246407
Verified recording
HKI191246407 is “3 Black Kings (Completed by M. Ellington): No. 3, Martin Luther King” by Duke Ellington,
registered on the CopyrightChains blockchain with CopyrightID
0x8ff125a1f667ee1276eee96c2b7457908b86125d9bc4fe1a9f8bb7656983ff66 and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191246407.
Recording identifiers
- ISRC
- HKI191246407
- Title
- 3 Black Kings (Completed by M. Ellington): No. 3, Martin Luther King
- Artist
- Duke Ellington
- CopyrightID (CopyrightChains transaction hash)
0x8ff125a1f667ee1276eee96c2b7457908b86125d9bc4fe1a9f8bb7656983ff66
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:a05965e72a2047bd39dbcfe266313250d7f509d21b215bb50af8369a071285e5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191246407
- Bitcoin block existence check
- https://blockstream.info/api/block/960381
Full record
Track page: 3 Black Kings (Completed by M. Ellington): No. 3, Martin Luther King · Machine-readable JSON-LD