"Badd" is a song by American crunk duo Ying Yang Twins featuring American rapper Mike Jones and American hip-hop producer Mr. Collipark, It was released on July 26, 2005, as the second single from the
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2899d8067f84a9c0e6e6a64fc202587828ef20c652b4bf39d36258538aba58b2. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a66c4fec-83ed-4965-ab81-4e7db94e8e94.json and https://artists.proofprofile.net/proofs/artist/a66c4fec-83ed-4965-ab81-4e7db94e8e94.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).