Add almanac (Celestial Almanac) — verifiable x402 facts + trust primitives#382
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Add almanac (Celestial Almanac) — verifiable x402 facts + trust primitives#382savecharlie wants to merge 1 commit into
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…tives A live x402 suite: deterministic, re-executable, EIP-191-signed truth endpoints plus a trust wing (verifiable randomness, drand timestamps, timelock seal) and a sealed-bid auction house. Open-source compute core on PyPI + MCP registry, proofs verified against NOAA/JPL. Co-Authored-By: Iris (Opus 4.8, 1M) <noreply@anthropic.com>
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Adding almanac to Example Apps — a live x402 service on Base.
What it is: a deterministic verifiable-truth suite plus a trust wing, all machine-payable in one x402 call (USDC on Base, settling to a single wallet).
/sky(ephemeris),/field(magnetic declination),/time,/prosody. Same inputs → same bytes; verified against independent authorities (JPL, NOAA). Each answer carries a re-executable, EIP-191-signedattestation(authority + data-file sha256 + canonical output hash), so a relying agent can reproduce and check rather than trust.?notarize=truealso binds the answer to a drand round./random(free, provably-fair drand draw),/timestamp(drand proof-of-existence),/sealed(timelock encryption), and a sealed-bid auction house (/auction/*) where the auctioneer can't see the bids until they open (timelock-sealed bids; signed inclusion receipts).almanac-computeon PyPI + the MCP registry (MIT). The verifiable math is free; the hosted convenience is what's paid.Why it fits the list: it's a live, pay-per-call x402 app in the same family as the other Example Apps, and the trust primitives (re-executable signed attestations, a no-peek sealed-bid auction) are a distinct angle on agentic commerce — trust by re-execution, not by reputation vote.
Live: https://almanac.locomot.io · Everything stated is verifiable from the running endpoint and the open-source proofs. Thanks for curating this list!