ISRC USUM72408367
Verified recording
USUM72408367 is “Focus (skit)” by Big Sean,
registered on the CopyrightChains blockchain with CopyrightID
0xd4b3fe19759ab7a0317a5eca7d87f7304b9c937df9ec90e1d27177092da4656d and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72408367.
Recording identifiers
- ISRC
- USUM72408367
- Title
- Focus (skit)
- Artist
- Big Sean
- CopyrightID (CopyrightChains transaction hash)
0xd4b3fe19759ab7a0317a5eca7d87f7304b9c937df9ec90e1d27177092da4656d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:1a1cd8f46bdcc8cd815f84d0cbb1272ae00bf70243f9673768e582ce7762d384- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72408367
- Bitcoin block existence check
- https://blockstream.info/api/block/953520