AI visibility: which buyer questions name your brand in ChatGPT, Perplexity, Claude, AI Overviews.

Find legal companies, retrieve registry profiles and verify company facts with source evidence.

Verify a place in the Netherlands: a verified local hand checks it, you get a sealed receipt.

Artwork provenance and works for sale: Origin Passports, Ethereum proofs, listings with proof

GreenlandAI: world graph & map (companies, deposits, commodities), marketplace, wallets, proofs.

Plan, tasks, proof, and blockers for a project, plus sponsor asks a person on the team sends.

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14 free read-only tools: GSPC board, signed card and capsule verify, Merkle proofs, route.