{"uid":"cap_1V_9AndYEjRGRbw_wlH_2","slug":"stillos-notary-claim-hash-commit-6ad3f947","name":"StillOS Notary — Claim Hash Commit","description":"StillOS Notary — commit a claim hash (tamper-evident, Ed25519-signed receipt)","url":"https://nolawealthfinancial.com/notary/commit","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/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_3VcNtifLu1sc4_ujpM_I6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Commits a claim hash to a tamper-evident ledger and returns an Ed25519-signed receipt proving the claim existed at a specific time","exampleAgentPrompt":"I need to notarize this claim hash — sha256:3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2c3d4e5f6a7b8c9d0e1f2a3b4 — using StillOS Notary so I have a tamper-evident, Ed25519-signed receipt proving it existed right now.","exampleUseCases":null,"resultDescription":"An Ed25519-signed receipt containing the committed claim hash, a server-side timestamp, and a cryptographic signature that allows any party to independently verify the commitment was recorded at that specific moment without tampering.","failureModes":["Invalid or malformed hash format — returns 400 with validation error","Payment not received or insufficient USDC — returns 402 Payment Required","Hash already committed (duplicate submission) — may return conflict or deduplicated receipt","Service temporarily unavailable — returns 503","Signature generation failure — returns 500 with error detail"],"whenToPreferThis":"Use this endpoint when you need a lightweight, low-cost ($0.1 USDC) cryptographic proof-of-existence for a claim or document hash, backed by an Ed25519 signature, without requiring a full blockchain transaction. Ideal for audit trails, legal timestamping, content authenticity, and compliance scenarios where tamper-evidence is required but on-chain gas costs are prohibitive.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:33:12.218Z","isFirstParty":false}