ISRC USI4R1130182
Verified recording
USI4R1130182 is “Begin the Beguine” by John Fox,
registered on the CopyrightChains blockchain with CopyrightID
0x71cc14804a6cdbfe6663046a9107ab369d6afa763fc041acc2b43f60cd224d69 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R1130182.
Recording identifiers
- ISRC
- USI4R1130182
- Title
- Begin the Beguine
- Artist
- John Fox
- CopyrightID (CopyrightChains transaction hash)
0x71cc14804a6cdbfe6663046a9107ab369d6afa763fc041acc2b43f60cd224d69
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:32216b48a2394be8f51bd8404a4e7900494f5bb53107095fc02db184d67803eb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R1130182
- Bitcoin block existence check
- https://blockstream.info/api/block/960273