ISRC US4KV1100021
Verified recording
US4KV1100021 is “Barbarian” by E-40,
registered on the CopyrightChains blockchain with CopyrightID
0xa0593f2ae69c9b019f284e95a82f4cdc2ea5f28da98530e895c4af53a26841f3 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1100021.
Recording identifiers
- ISRC
- US4KV1100021
- Title
- Barbarian
- Artist
- E-40
- CopyrightID (CopyrightChains transaction hash)
0xa0593f2ae69c9b019f284e95a82f4cdc2ea5f28da98530e895c4af53a26841f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:f2d52a486b574b60a8cb68017285cb5021d76e0248f4676ab50160b9fc4c0a4e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1100021
- Bitcoin block existence check
- https://blockstream.info/api/block/953515