{"uid":"cap_NVrYxwfI2BmZ2MnDOszBO","slug":"treasury-reality-aave-v3-ethereum-usdc-time-weighted-supply-apr-2026-6e31f610","name":"Treasury Reality — Aave v3 Ethereum USDC Time-Weighted Supply APR (2026-09-24→2026-09-25)","description":"aave-v3-ethereum-usdc: USDC supply APR, time-weighted over 2026-09-24→2026-09-25, signed. Cheaper than the agent turns you'd burn finding the contracts, decoding ray-scaled rates, sampling the series, and time-weighting it — you trust the math, not us. Verify it offline — schema, every published figure recomputed, and the secp256k1 signature — with no API call and no trust in us.","url":"https://treasury-reality-base.fly.dev/v1/artifacts/sha256:09d0776a3cd7cf335f7df765b494ebfa4a8e800d100c2b8003111e1cfdde4ba1?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"const":"http"},"method":{"const":"GET"}},"additionalProperties":false},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wCHO9qOHNGGnrSWhehtjF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a cryptographically signed, time-weighted USDC supply APR for Aave v3 on Ethereum covering the 24-hour window from 2026-09-24 to 2026-09-25, with offline-verifiable secp256k1 signature and full recomputation schema.","exampleAgentPrompt":"Can you fetch the signed, verifiable Aave v3 USDC supply APR on Ethereum for September 24–25, 2026 — I want the cryptographically attested figure I can verify offline without trusting the source?","exampleUseCases":[{"title":"Auditing daily DeFi yield for treasury report","prompt":"I need the officially signed Aave v3 USDC supply APR for Ethereum mainnet covering September 24–25, 2026 — something I can verify offline with the secp256k1 signature for our treasury accounting records."},{"title":"Cross-chain yield comparison for the same date","prompt":"Pull the signed, time-weighted USDC supply APR from Aave v3 on Ethereum for Sep 24–25 2026 so I can compare it against the Arbitrum figure for the same period."},{"title":"Verifying a counterparty's claimed yield rate","prompt":"A counterparty is claiming the Aave v3 Ethereum USDC supply APR was around 5% on September 24, 2026 — can you get me the cryptographically signed artifact from Treasury Reality so I can verify that offline?"}],"resultDescription":"A signed JSON artifact containing the time-weighted USDC supply APR for Aave v3 on Ethereum over the 2026-09-24 to 2026-09-25 window. Includes the computed APR value derived from ray-scaled on-chain rate samples, the full recomputation schema, and a secp256k1 cryptographic signature that allows offline verification of the figure without trusting the provider.","failureModes":["Payment not received or invalid x402 payment header — returns 402 Payment Required","Artifact not found at specified SHA256 hash — returns 404","Network or upstream issue with fly.dev hosting — returns 5xx","Signature verification fails offline if artifact has been tampered with"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically attested, time-weighted DeFi yield figure for Aave v3 USDC on Ethereum for the specific 24-hour window of 2026-09-24 to 2026-09-25, and you want to avoid the compute cost of fetching contracts, decoding ray-scaled rates, and time-weighting the series yourself. Ideal for audits, treasury accounting, smart contract inputs, or any context where offline verifiability and tamper-evidence are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:34:31.277Z","isFirstParty":false,"canonicalSlug":"treasury-reality-aave-v3-ethereum-usdc-time-weighted-supply-apr-2026-6e31f610"}