Tenshi is another term for a tennin, a spiritual being in Japanese Buddhism. It may also refer to: , a title of the emperor of Japan , a 2006 Japanese film based on a manga series Angel Nest "Tens
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 0xf30cf73ff2fcf647d6a65ce69e1605fadcb87c0aaa4dc097c7ea22a8eead282a. 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/78f08f2b-c2fa-476f-a3af-4b0fbdc05296.json and https://artists.proofprofile.net/proofs/artist/78f08f2b-c2fa-476f-a3af-4b0fbdc05296.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).