Hergert Synthora

SYNTHORA Agent Notary

Proof-of-existence, proof-of-execution and proof-of-agreement for machine-to-machine deals: notarize a SHA-256 (content never stored) and receive an Ed25519-signed receipt anyone can verify later. 0.002 USDC per call via x402 on Base, first three calls free per wallet; exposed as REST, A2A JSON-RPC and a one-tool MCP server on the same host.

Documentation GitHub OpenAPI

Operations 1

POST /service SYNTHORA Agent Notary (Trust Layer EU) #

Specifications

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OpenAPI

https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/openapi/hergertsynthora-com-agent-notary-openapi.yml

⚙

OpenAPI

https://notary.hergertsynthora.com/openapi.json

Other Resources

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Overlay

https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/overlays/hergertsynthora-com-agent-notary-overlay.yaml

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LLMsTxt

https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/llms/hergertsynthora-com-notary-llms.txt

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LLMsTxt

https://notary.hergertsynthora.com/llms.txt

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AgentCard

https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/a2a/hergertsynthora-com-notary-agent-card.json

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MCPServer

https://notary.hergertsynthora.com/mcp

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AgentSkill

https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/skills/hergertsynthora-com-notarize-and-verify.md

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OpenAPI Specification

openapi: 3.1.0
info:
  contact:
    email: info@hergertsynthora.com
  title: SYNTHORA Agent Notary (Trust Layer EU)
  version: 1.0.0
  description: Proof-of-existence, proof-of-execution and proof-of-agreement for M2M deals. Notarize a SHA-256, get an Ed25519-signed
    receipt anyone can verify later.
  x-keywords:
  - notary
  - proof of existence
  - proof of execution
  - timestamp
  - attestation
  - agreement
  - ed25519
  - m2m trust
  - hash notarization
  x-payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    pay_to: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
servers:
- url: https://notary.hergertsynthora.com
paths:
  /service:
    post:
      operationId: trust_notary
      summary: SYNTHORA Agent Notary (Trust Layer EU)
      description: Proof-of-existence, proof-of-execution and proof-of-agreement for M2M deals. Notarize a SHA-256, get an
        Ed25519-signed receipt anyone can verify later.
      x-keywords:
      - notary
      - proof of existence
      - proof of execution
      - timestamp
      - attestation
      - agreement
      - ed25519
      - m2m trust
      - hash notarization
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.002'
        protocols:
        - x402: {}
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: Result
        '402':
          description: Payment Required (x402)