ISRC US4KV1100014
Verified recording
US4KV1100014 is “F*ck Em'” by E-40,
registered on the CopyrightChains blockchain with CopyrightID
0x32aaf637369f497c5f17cc18e1fa0d713dffa535802bcfa08844911c8d7737b8 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/US4KV1100014.
Recording identifiers
- ISRC
- US4KV1100014
- Title
- F*ck Em'
- Artist
- E-40
- CopyrightID (CopyrightChains transaction hash)
0x32aaf637369f497c5f17cc18e1fa0d713dffa535802bcfa08844911c8d7737b8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:8c3b39b2b904f9b269ad2c0085cf840502fe02b44e46a2206a2d3fb56411a602- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1100014
- Bitcoin block existence check
- https://blockstream.info/api/block/953520