ISRC USUM71502520
Verified recording
USUM71502520 is “Call Ya Bluff” by Ludacris,
registered on the CopyrightChains blockchain with CopyrightID
0x03bab8ff4802078d84e6b018e36dbe6ba88155e8f79b9817b994cd0872407123 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/USUM71502520.
Recording identifiers
- ISRC
- USUM71502520
- Title
- Call Ya Bluff
- Artist
- Ludacris
- CopyrightID (CopyrightChains transaction hash)
0x03bab8ff4802078d84e6b018e36dbe6ba88155e8f79b9817b994cd0872407123
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:f9fb09ae403732fc7e949081c47e7c25c9de45717c61404efdb1bf6bf9eb8b89- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71502520
- Bitcoin block existence check
- https://blockstream.info/api/block/953513