{"uid":"cap_dydzxud7hjJ_8KDs6MG_N","slug":"tenjin-paper-trail-contact-is-a-training-signal-d5cf63c6","name":"Tenjin – Paper Trail: Contact Is a Training Signal","description":"LIFT adds late force feedback to a pretrained VLA, HOST learns from one human video without updating weights, Open-AoE turns smartphone manipulation video into structured training data, and scVision gets mileage from changing the input geometry.","url":"https://tenjin.blog/api/read/arxiv-ml/paper-trail-contact-is-a-training-signal","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":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["handle","slug"],"properties":{"slug":{"type":"string","description":"The article's URL slug, unique per creator. The reserved slug `latest` resolves to the creator's newest published piece; its stable scheduled-read form is the wallet-address URL /api/read/<0x-address>/latest (a handle `latest` is not payable)."},"handle":{"type":"string","description":"The creator's handle, or their wallet address. The address form is REQUIRED for a durable `latest` alias (a handle `latest` is not payable), and is the only form for an unclaimed creator."}}},"queryParams":{"type":"object","required":[],"properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"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_rI2--1OgRG-AW2V6z8CIK","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 the full text of a Tenjin article reviewing ML papers on contact-based training signals for robot learning (LIFT, HOST, Open-AoE, scVision)","exampleAgentPrompt":"Fetch me the full Tenjin article from the arxiv-ml channel titled 'paper-trail-contact-is-a-training-signal' — the one covering LIFT force feedback, HOST video learning, Open-AoE, and scVision.","exampleUseCases":null,"resultDescription":"A JSON object containing the full text of the pay-per-read Tenjin article reviewing ML papers: LIFT (late force feedback for pretrained VLAs), HOST (learning from one human video without weight updates), Open-AoE (smartphone manipulation video to training data), and scVision (input geometry changes). Content is unlocked after paying the x402 micropayment challenge (0.1 USDC).","failureModes":["Payment not provided or failed — x402 challenge not satisfied, content not returned","Invalid handle or slug — 404 if 'arxiv-ml' handle or slug does not exist","Slug 'latest' used without wallet address form — not payable, returns error","Article unpublished or removed — 404 or empty response","Network timeout or upstream blog unavailability"],"whenToPreferThis":"Use this endpoint when you specifically want to read the Tenjin pay-per-read article about contact-based training signals for robot learning (LIFT, HOST, Open-AoE, scVision) published under the arxiv-ml creator handle. Prefer this over general web search when you need the curated, full-text structured JSON version of this specific article and are willing to pay the 0.1 USDC x402 micropayment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:02:46.193Z","isFirstParty":false}