ISRC USUM71100953
Verified recording
USUM71100953 is “Mamma Knows Best” by Jessie J,
registered on the CopyrightChains blockchain with CopyrightID
0xc4bf97c0368be2c10f00aac2d4bae24e0afd7706c50eb564df8cf78b291bd28d 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/USUM71100953.
Recording identifiers
- ISRC
- USUM71100953
- Title
- Mamma Knows Best
- Artist
- Jessie J
- CopyrightID (CopyrightChains transaction hash)
0xc4bf97c0368be2c10f00aac2d4bae24e0afd7706c50eb564df8cf78b291bd28d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:1bf3a840b2290093ce326efeffebb69dce43405b290317010066c7cbc67e9ae4- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71100953
- Bitcoin block existence check
- https://blockstream.info/api/block/953513