Ernst Ludvig Emanuel Schultz (15 May 1879 – 20 June 1906) was a Danish sprinter who won a bronze medal in the 400 m event at the 1900 Summer Olympics. In the 1898-99 athletics season, Schultz had set
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 0xb10c976dca5ac4adf5c4faea097ac8d8dcce7fb117543e793b48dd64a4a1e0bb. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/73b810b9-e4ff-4ac3-a49c-cfc380716807.json and https://artists.proofprofile.net/proofs/artist/73b810b9-e4ff-4ac3-a49c-cfc380716807.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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