ISRC USUM70735520
Verified recording
USUM70735520 is “Question Existing” by Rihanna,
registered on the CopyrightChains blockchain with CopyrightID
0xc7876cc503b44c1ca3612fdc0a2a2285292541a3a7cfea7cdd879d1afae659f0 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/USUM70735520.
Recording identifiers
- ISRC
- USUM70735520
- Title
- Question Existing
- Artist
- Rihanna
- CopyrightID (CopyrightChains transaction hash)
0xc7876cc503b44c1ca3612fdc0a2a2285292541a3a7cfea7cdd879d1afae659f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:0976f28808317f650061c14667a102692976dc984d70eced52d4d740e13dd6a2- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70735520
- Bitcoin block existence check
- https://blockstream.info/api/block/953513