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Pay-per-Seal: one post-quantum (Dilithium-3) provenance seal + a self-contained ML-DSA-65/Dilithium-3 (NIST FIPS 204) signature — drand-timestamped, with on-chain anchoring attempted per call and reported in the response — over a dataset/training/content hash. EU AI Act (Art. 10/50/53) provenance for autonomous agents, x402-native.

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https://fractalai.net.co/api/x402/seal

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Find and pay for this x402 resource:
URL: https://fractalai.net.co/api/x402/seal
Type: http
Sources: cdp, thirdweb, ultravioletadao, x402-list

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