1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e55809e7b2d0ddc3a55998bbb1efdadd42ed25a677def8545f63d58dab04221. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ddc7c916-7cf4-4e2f-8542-8c7d016dcf38.json and https://artists.proofprofile.net/proofs/artist/ddc7c916-7cf4-4e2f-8542-8c7d016dcf38.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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Five Crazy Skeletons in the Middle of the Night
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This is the Way We Brush Our Teeth (Midnight Routine)
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This Is The Way We Brush Our Spooky Teeth