ISRC USAR50551976
Verified recording
USAR50551976 is “100 Bars of Crack” by Ruff Ryders,
registered on the CopyrightChains blockchain with CopyrightID
0xef708a39baa0c47f6809339b17cb35e73b3b4b19cac78afd52823eb6e1aaa829 and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAR50551976.
Recording identifiers
- ISRC
- USAR50551976
- Title
- 100 Bars of Crack
- Artist
- Ruff Ryders
- CopyrightID (CopyrightChains transaction hash)
0xef708a39baa0c47f6809339b17cb35e73b3b4b19cac78afd52823eb6e1aaa829
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:3447b28b9b04be7e932ceabb8e3fce11521247c63cf97dc12f93ba300eecc4b8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAR50551976
- Bitcoin block existence check
- https://blockstream.info/api/block/960181