ISRC USQX91400394
Verified recording
USQX91400394 is “Ground Rules” by Hans Zimmer,
registered on the CopyrightChains blockchain with CopyrightID
0x67f9422247be8fba15624376d5472f2fd4aa0b534da337e228673def2531604b and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91400394.
Recording identifiers
- ISRC
- USQX91400394
- Title
- Ground Rules
- Artist
- Hans Zimmer
- CopyrightID (CopyrightChains transaction hash)
0x67f9422247be8fba15624376d5472f2fd4aa0b534da337e228673def2531604b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:4e4092e1ac6d10f8ecef2586414b8151ba29ae13b407195de683c318e9c26147- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91400394
- Bitcoin block existence check
- https://blockstream.info/api/block/956302