Erlandsson is a Swedish surname. Notable people with the surname include: Adrian Erlandsson (born 1970), prolific Swedish death metal and black metal drummer Daniel Erlandsson (born 1976), Swedish dru
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 0x546959a6f7a8389538ff7797724f92bfec94baf38e650c79cf0e894ef754ba04. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cbedfbf4-fc0e-4129-9e59-deb644588f4c.json and https://artists.proofprofile.net/proofs/artist/cbedfbf4-fc0e-4129-9e59-deb644588f4c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).