ISRC USHR12448069
Verified recording
USHR12448069 is “Knife Fight” by Jon Opstad,
registered on the CopyrightChains blockchain with CopyrightID
0xd4e8d75076ab292f0385ec9a4ada4f514985acf06b3ebb14dca4df9551040a05 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHR12448069.
Recording identifiers
- ISRC
- USHR12448069
- Title
- Knife Fight
- Artist
- Jon Opstad
- CopyrightID (CopyrightChains transaction hash)
0xd4e8d75076ab292f0385ec9a4ada4f514985acf06b3ebb14dca4df9551040a05
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:01c3544bbf32c81928af3c3d85000650d962fcbf173acd68208d7de6fc7bdf24- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHR12448069
- Bitcoin block existence check
- https://blockstream.info/api/block/960160