Inversion or inversions may refer to: Arts Inversion (artwork), a 2005 temporary sculpture in Houston, Texas Inversion (music), a term with various meanings in music theory and musical set theory
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x612babef0e3105eabde6eb1af51fce76b708b30eb8b5f77c7252510fcf62cafc. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/59f672ca-1b7d-49a1-bc46-267eba9eceae.json and https://artists.proofprofile.net/proofs/artist/59f672ca-1b7d-49a1-bc46-267eba9eceae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).