El Mago (Spanish for "the magician") or Mago is a nickname given to: Pablo Aimar (born 1979), Argentine retired footballer Guido Alvarenga (born 1970), Paraguayan former footballer Thiago Alcântar
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 0x7a430539292756abb9dee73c44dcaa60332fa4fadf0b81dcee84b927e8a80596. 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/609b48c3-b94e-4f6a-96ae-5e9cd5006c9c.json and https://artists.proofprofile.net/proofs/artist/609b48c3-b94e-4f6a-96ae-5e9cd5006c9c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).