Calman is a surname of English and Scottish origin. Notable people with the surname include: Sir Kenneth Calman (1941–2025), Scottish doctor and academic Mel Calman (1931–1994), British cartoonist Ne
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 0x40ea4baa19b00ddc59c9d91bdc5c0b8c9beaf24dd0433f0cf9d83466d22f1800. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5105ab47-3cb9-4563-ae01-b3baaac33209.json and https://artists.proofprofile.net/proofs/artist/5105ab47-3cb9-4563-ae01-b3baaac33209.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tour De France (Kann Grad Nich 1st Anniversary Session)
Manchmal lüg ich meinen Arzt an (Ghostschreiber Remix)