ISRC USQ4E1804020
Verified recording
USQ4E1804020 is “Karen” by Justin Hurwitz,
registered on the CopyrightChains blockchain with CopyrightID
0x605bed66cec5a2762c064013472830e499d269aebf2ae2012f4acc6dc13eae8b and independently timestamped
in Bitcoin block 953536 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E1804020.
Recording identifiers
- ISRC
- USQ4E1804020
- Title
- Karen
- Artist
- Justin Hurwitz
- CopyrightID (CopyrightChains transaction hash)
0x605bed66cec5a2762c064013472830e499d269aebf2ae2012f4acc6dc13eae8b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T17:25:41+00:00
- Bitcoin block
- 953536
- Canonical record hash
sha256:00354167e29a435c5e5c248501be1132078a7eee01c357928f30549b05ebd81e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E1804020
- Bitcoin block existence check
- https://blockstream.info/api/block/953536