ISRC USUM70845549
Verified recording
USUM70845549 is “Contagious” by Ludacris,
registered on the CopyrightChains blockchain with CopyrightID
0x895d7b4c103d205878facc1f21a5b9c266a26ce75501c77eef44c933fd448977 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/USUM70845549.
Recording identifiers
- ISRC
- USUM70845549
- Title
- Contagious
- Artist
- Ludacris
- CopyrightID (CopyrightChains transaction hash)
0x895d7b4c103d205878facc1f21a5b9c266a26ce75501c77eef44c933fd448977
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:d8de0a21d15b8429ae94453bffd14ee2f90e318893369c5bcdf8fcda3fc81e60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70845549
- Bitcoin block existence check
- https://blockstream.info/api/block/953520