ISRC US4KV1600024
Verified recording
US4KV1600024 is “Puttin' In Work” by E-40,
registered on the CopyrightChains blockchain with CopyrightID
0x91a705f56f28383904e5ecc16cb4afe419d51e75c9a5fa902e5e73d335e58185 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/US4KV1600024.
Recording identifiers
- ISRC
- US4KV1600024
- Title
- Puttin' In Work
- Artist
- E-40
- CopyrightID (CopyrightChains transaction hash)
0x91a705f56f28383904e5ecc16cb4afe419d51e75c9a5fa902e5e73d335e58185
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:99fde56a9c868cda3f30fb69b4ceabf146a363381139fe0b4fbecd7e8b5829ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1600024
- Bitcoin block existence check
- https://blockstream.info/api/block/956302