ISRC US92U1409211
Verified recording
US92U1409211 is “Changing Keys” by K-Def & 45 King,
registered on the CopyrightChains blockchain with CopyrightID
0xa57f2745be076f20474ea563a428121000ff6842a7dd04fcf60435f90b6bdc2f and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US92U1409211.
Recording identifiers
- ISRC
- US92U1409211
- Title
- Changing Keys
- Artist
- K-Def & 45 King
- CopyrightID (CopyrightChains transaction hash)
0xa57f2745be076f20474ea563a428121000ff6842a7dd04fcf60435f90b6bdc2f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:dd78a122a121cdb4116891c83f14c1c28a1b664daa3b4545e4d4eb2580fb42a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US92U1409211
- Bitcoin block existence check
- https://blockstream.info/api/block/957120