ISRC USRW50200231
Verified recording
USRW50200231 is “UMI Says” by Mos Def,
registered on the CopyrightChains blockchain with CopyrightID
0xa4c4578fea8631f98040cd9275cf5d7f71c48dd9a0ef637f7b43677e2c11ee34 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/USRW50200231.
Recording identifiers
- ISRC
- USRW50200231
- Title
- UMI Says
- Artist
- Mos Def
- CopyrightID (CopyrightChains transaction hash)
0xa4c4578fea8631f98040cd9275cf5d7f71c48dd9a0ef637f7b43677e2c11ee34
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:e84d7b330140fb15af63ff7a73aa9a93382d00a723637a13aaca16c6f16bd5af- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRW50200231
- Bitcoin block existence check
- https://blockstream.info/api/block/953513