ISRC USI4R1130140
Verified recording
USI4R1130140 is “Warsaw Concerto” by John Fox,
registered on the CopyrightChains blockchain with CopyrightID
0x0e05696ff3c0cb90f598b8921dfb8abe52c9a50a65f9bcb4c5c0a4e85e19353e and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R1130140.
Recording identifiers
- ISRC
- USI4R1130140
- Title
- Warsaw Concerto
- Artist
- John Fox
- CopyrightID (CopyrightChains transaction hash)
0x0e05696ff3c0cb90f598b8921dfb8abe52c9a50a65f9bcb4c5c0a4e85e19353e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:2ce79034cab4864cefccc5d3f461532113bb76fc6ae8fd63267a73572ece6f3b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R1130140
- Bitcoin block existence check
- https://blockstream.info/api/block/960334