Emma Birdsall (born 21 January 1992) is an Australian singer-songwriter from Sydney. She was a participant in the first season of The Voice, and placed in the top 16. Since then she has signed with Is
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 0x5da5ce32c382536f6744a2e74168b16925ff5e46947d82091c0c58608df60780. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d1d26fc-4196-4b72-a101-0950d7b1f96e.json and https://artists.proofprofile.net/proofs/artist/9d1d26fc-4196-4b72-a101-0950d7b1f96e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).