ISRC USRZR0594407
Verified recording
USRZR0594407 is “Empire” by Dar Williams,
registered on the CopyrightChains blockchain with CopyrightID
0x0a94d97cbc285d421ea105b3bb25ab89d7b99b56c212b3e998e047b5666ff5e1 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRZR0594407.
Recording identifiers
- ISRC
- USRZR0594407
- Title
- Empire
- Artist
- Dar Williams
- CopyrightID (CopyrightChains transaction hash)
0x0a94d97cbc285d421ea105b3bb25ab89d7b99b56c212b3e998e047b5666ff5e1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:2449a9146b4a93e3c0a6e99b3d179c2c9caa268b7c0bcf9da6d0454694d26c12- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRZR0594407
- Bitcoin block existence check
- https://blockstream.info/api/block/960144