ISRC USI4R1126987
Verified recording
USI4R1126987 is “I. O. U” by John Fox,
registered on the CopyrightChains blockchain with CopyrightID
0x12d8f3de135027fe5391fa8e92a3b772138bb2d7ce6b4c7ea9ade7d18a710ee2 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R1126987.
Recording identifiers
- ISRC
- USI4R1126987
- Title
- I. O. U
- Artist
- John Fox
- CopyrightID (CopyrightChains transaction hash)
0x12d8f3de135027fe5391fa8e92a3b772138bb2d7ce6b4c7ea9ade7d18a710ee2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7a3d09bf06de9d24ae27a83867751b16a9b46a59cfe6df15d7e605d26848679a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R1126987
- Bitcoin block existence check
- https://blockstream.info/api/block/957118