ISRC US4KV1200049
Verified recording
US4KV1200049 is “This Shit Hard” by E-40,
registered on the CopyrightChains blockchain with CopyrightID
0x3af65accee8955c5b7e4dd21e6125f07bf3e0a3379ed039a593e469b9e0472e2 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1200049.
Recording identifiers
- ISRC
- US4KV1200049
- Title
- This Shit Hard
- Artist
- E-40
- CopyrightID (CopyrightChains transaction hash)
0x3af65accee8955c5b7e4dd21e6125f07bf3e0a3379ed039a593e469b9e0472e2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:c012c24097208302b9a56287cd4e58d5aeb9fba7ec725f8262061bd2255e972e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1200049
- Bitcoin block existence check
- https://blockstream.info/api/block/956302