Teresa Duffy (born 16 July 1969) is an Irish long-distance runner. In 2001, she competed in the women's marathon at the 2001 World Championships in Athletics held in Edmonton, Alberta, Canada. She fin
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 0xec691b74d54dbb8439f9a291c22a1a3039f265d5baa70a5f62505a911540552a. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7de0cc79-54a9-4b7c-8137-8448d0035b8d.json and https://artists.proofprofile.net/proofs/artist/7de0cc79-54a9-4b7c-8137-8448d0035b8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Irish National Anthem (The Soldier's Song) In Gaelic and English