ISRC USI4R1127030
Verified recording
USI4R1127030 is “Hearts” by John Fox,
registered on the CopyrightChains blockchain with CopyrightID
0x83bb0097403cc7aab9693e227bb261af0127de95a864c5a394c6578d1040c914 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R1127030.
Recording identifiers
- ISRC
- USI4R1127030
- Title
- Hearts
- Artist
- John Fox
- CopyrightID (CopyrightChains transaction hash)
0x83bb0097403cc7aab9693e227bb261af0127de95a864c5a394c6578d1040c914
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:98e4d9c6cb188f061f1a80f90b5607952e4573e014292c3a67b8b253e9cf71a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R1127030
- Bitcoin block existence check
- https://blockstream.info/api/block/960220