Saks can refer to: Saks (surname) Saks, Alabama, a community in the United States Saks Global, holding company of Saks Fifth Avenue, Bergdorf Goodman, and Neiman Marcus Saks Fifth Avenue, U.S. luxury
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 0x4e207ade25f2bea12a37e2d2c47ab7a18de26a5f4015cfb7471b7657402af4f1. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a4b9d79-f767-47e6-99a5-a3d5c3fa5e81.json and https://artists.proofprofile.net/proofs/artist/9a4b9d79-f767-47e6-99a5-a3d5c3fa5e81.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).