{"uid":"cap_xasyKV9mVl9sX2ZWMU81N","slug":"batchloom-citation-evidence-for-agents-2ffc25e1","name":"Batchloom Citation Evidence for Agents","description":"Check literal quotes against public source pages. Evidence with source hashes and offsets, for 0.01 USDC on Base. Prepare requests, compare snapshots and connect a local MCP buyer.","url":"https://batchloom-studio-0913.xuikatwsicrdsidm.chatgpt.site/v1/evidence","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"sources":{"type":"array","items":{"type":"object","required":["url","quotes"],"properties":{"url":{"type":"string","format":"uri","pattern":"^https://","maxLength":2048,"description":"Exact host must occur in x-allowed-hosts; no subdomain wildcards."},"quotes":{"type":"array","items":{"type":"string","maxLength":400,"minLength":12,"description":"12–400 Unicode code points, also after NFC and whitespace normalization. No non-whitespace control characters or unpaired surrogates."},"maxItems":4,"minItems":1}},"additionalProperties":false},"maxItems":5,"minItems":1},"requireAllSources":{"type":"boolean","description":"When true, settlement requires every requested source to be readable. Does not require quotes to match. Original input and policy must be preserved for recovery."}}},"responseSchema":{"type":"json","example":{"results":[{"code":"evidence_computed","title":null,"status":"ready","matches":[{"end":63,"start":15,"status":"matched","excerpt":"Example Domain This domain is for use in documentation examples without needing permission. Avoid use in operatio","matchCount":1}],"complete":true,"coverage":"http-response-text-only","finalUrl":"https://example.com/","fetchedAt":"2026-09-13T00:00:00.000Z","httpStatus":200,"offsetUnit":"unicode-code-points","contentType":"text/plain","originalUrl":"https://example.com/","normalization":"nfc-whitespace-v1","javascriptExecuted":false,"normalizedCodePoints":116,"normalizedTextSha256":"41f9801f460db5bc8c366921f3fa9511b61555c609de0297fa71d914e6f59772"}],"version":"1","warnings":["Literal presence in fetched text is not a claim of truth, relevance, browser visibility or publication freshness.","Only fixed publisher hosts and static HTTP response text are supported; robots rules and access restrictions can make an allowed host unavailable.","Synthetic fixture: source text and timestamps are examples, not live observations."],"usableSources":1,"processingProfile":"433e247a66107e9e9e68b6569490c48bf3238735ab569825c1e36f7c2f497580","allResultsUnusable":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eesZObDnvTSAAKpuhHdah","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks literal text quotes against live public web pages and returns cryptographic evidence (source hashes, character offsets) confirming whether the quotes appear verbatim in the fetched content.","exampleAgentPrompt":"Can you check whether the quote 'This domain is for use in documentation examples without needing permission' actually appears verbatim on https://example.com/ — I need the character offset and a content hash as proof?","exampleUseCases":[{"title":"Auditing LLM citation hallucinations","prompt":"I have a research report where the AI cited https://www.who.int/news/item/example-article and used this quote: 'Vaccination reduces transmission by up to 80% in clinical settings.' Can you verify that quote actually appears word-for-word on that page and give me the character offset and content hash?"},{"title":"Legal document source verification","prompt":"Before we file this brief, I need to confirm that the phrase 'as defined under Section 12 of the Financial Services Act' appears literally on https://www.legislation.gov.uk/ukpga/2012/21/section/12 — can you check and return the hash of the page content as evidence?"},{"title":"Journalist fact-checking a quote","prompt":"I'm publishing a story and want to verify that the CEO quote 'We will achieve net zero by 2035' actually appears on https://corporate.example-company.com/press-releases/2024-annual-report before we go to print — can you check and tell me exactly where in the text it appears?"}],"resultDescription":"Returns a JSON object with per-source results containing: match status (matched/unmatched), start and end character offsets in Unicode code points, a surrounding text excerpt, the SHA-256 hash of the normalized page text, the final resolved URL after redirects, HTTP status code, content type, fetch timestamp, normalization profile identifier, whether JavaScript was executed, and a processing profile hash. Also includes usability flags, warnings about interpretation limits, and a version field.","failureModes":["URL host not in allowed hosts list — request rejected with host restriction error","Quote shorter than 12 or longer than 400 characters — validation error","More than 5 source URLs or 4 quotes per source — validation error","Target page returns non-200 HTTP status — result marked unusable","Page requires JavaScript rendering — content may be incomplete (javascriptExecuted: false)","Robots.txt or access restrictions block fetch — host unavailable","Quote present in page source but not in plain-text extraction — no match returned","Network timeout fetching remote URL — result marked as error"],"whenToPreferThis":"Choose this endpoint when you need cryptographic, auditable proof that a specific literal string appears in a public web page — especially for AI citation verification, fact-checking pipelines, or legal/compliance workflows where you need reproducible evidence (content hash + offset) rather than a fuzzy semantic match. Prefer it over general web scrapers when you need the normalized text hash and precise character offsets as tamper-evident artifacts. At $0.01 USDC per call on Base it is cost-effective for per-citation checks in automated agent pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:36:28.516Z","isFirstParty":false}