H8, H08 or H-8 may stand for: H-8 bomber, a 1970s Chinese military aircraft H8 Family, a 1990s large family of 8-bit and 16-bit microcontrollers made by Hitachi (Renesas Technology) H08 microcontro
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 0x8f5c37704d97ba8b15a91f3f66bc79b699cbac87bc8b0471916793ac0fc73586. 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/61194fca-49a0-4dae-aef1-819da829a24b.json and https://artists.proofprofile.net/proofs/artist/61194fca-49a0-4dae-aef1-819da829a24b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I decided to d!e (and take the world with me)