Robert Klein (born February 8, 1942) is an American stand-up comedian, singer, and actor. He is known for his appearances on stage and screen. He has released four standup comedy albums: A Child of th
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6900dbe5afd21e309dca17d06beb6fbbbc9c935b3455ecc78971ffe72bd83b91. 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/0d3b8d78-fcde-4212-9159-26b6739a9a42.json and https://artists.proofprofile.net/proofs/artist/0d3b8d78-fcde-4212-9159-26b6739a9a42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Substitute Teacher (Live On The Ed Sullivan Show, January 25, 1970)
Dentists (Live On The Ed Sullivan Show, February 7, 1971)
Sports (Live On The Ed Sullivan Show, October 18, 1970)
Impressions (Live On The Ed Sullivan Show, April 26, 1970)