"We Dem Boyz" is a song by American rapper Wiz Khalifa from his fifth studio album Blacc Hollywood (2014). On February 11, 2014, it was released by Rostrum Records and Atlantic Records as the album's
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37ab7890d5d033d25f4a3a9328fb140d0f32a91ee0a554845a251cc2de270a68. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ff399931-f9b9-4c18-ad15-f26be5c23f3d.json and https://artists.proofprofile.net/proofs/artist/ff399931-f9b9-4c18-ad15-f26be5c23f3d.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.