ISRC USUM71501149
Verified recording
USUM71501149 is “I Know” by Big Sean,
registered on the CopyrightChains blockchain with CopyrightID
0xb9c8232a16ef5aa3a2f06362a765c50ac4c53c8ae457fb039fb462d1f4606282 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71501149.
Recording identifiers
- ISRC
- USUM71501149
- Title
- I Know
- Artist
- Big Sean
- CopyrightID (CopyrightChains transaction hash)
0xb9c8232a16ef5aa3a2f06362a765c50ac4c53c8ae457fb039fb462d1f4606282
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:e9e30808fd77361e667bd3e266e50b7373e3bae81be131ccc36b0b206916bdb1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71501149
- Bitcoin block existence check
- https://blockstream.info/api/block/953513