Empty may refer to: ‍ Music Albums Empty (God Lives Underwater album) or the title song, 1995 Empty (Nils Frahm album), 2020 Empty (Tait album) or the title song, 2001 Songs "Empty" (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 0x3b0996643c7eb48c123d20a95ed43f807bd937b8c6eee1438fce8ded3ff4ec63. Chain 2 (Bitcoin): anchored in block 953991 (2026-06-16T18:47:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2de6830d-1b75-4f16-bb54-f86f4a7cd65e.json and https://artists.proofprofile.net/proofs/artist/2de6830d-1b75-4f16-bb54-f86f4a7cd65e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).