ISRC USK561560016
Verified recording
USK561560016 is “4 Walls” by Joe Budden,
registered on the CopyrightChains blockchain with CopyrightID
0xba81731ce69eb5bbf20d343aded6c2bd73b940797efdd8c860652768671c8240 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USK561560016.
Recording identifiers
- ISRC
- USK561560016
- Title
- 4 Walls
- Artist
- Joe Budden
- CopyrightID (CopyrightChains transaction hash)
0xba81731ce69eb5bbf20d343aded6c2bd73b940797efdd8c860652768671c8240
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:905aadae42495fd63961d672860111008e7801c68ed71746b51a57d9ef4967e5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USK561560016
- Bitcoin block existence check
- https://blockstream.info/api/block/960138