Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453base

A signed, timestamped statement that a specific SHA-256 was presented to Soren at a given

A signed, timestamped statement that a specific SHA-256 was presented to Soren at a given moment. Use it when a counterparty must check that your output existed by then. You send only the hash — we never receive your content, so there is nothing to leak or be compelled to produce. An agent signing its own output proves nothing to anyone else. Not a legal notarisation, not proof of authorship, not proof it existed earlier. Verify with soren.com/oracle-key.json

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Claim this listing
20000 (raw units)
price
4
calls / 30d
1
unique payers
2026-09-08
updated

Provider

soren.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xaDc3A47EFbD82Ed724a0E9A3D08D5A1A8e6586fd",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "base",
    "payTo": "0xaDc3A47EFbD82Ed724a0E9A3D08D5A1A8e6586fd",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 120
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
          "note": "model output v3"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "attested": true,
          "hash": "<64 hex>",
          "observed_at": "<ISO-8601 UTC>",
          "signature": {
            "algorithm": "Ed25519",
            "value": "<base64>"
          },
          "statement": "attestation|<hash>|<observed_at>"
        },
        "type": "json"
      }
    },
    "routeTemplate": "/v1/attestation",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "hash": {
                  "description": "SHA-256 of your content, 64 lowercase hex characters. Hash it yourself.",
                  "examples": [
                    "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
                  ],
                  "type": "string"
                },
                "note": {
                  "description": "Up to 200 characters, included in the signed statement.",
                  "examples": [
                    "model output v3"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "hash"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        }
      }
    }
  }
}

Use it

curl

curl "https://soren.com/v1/attestation"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://soren.com/v1/attestation");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://soren.com/v1/attestation")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/9071.json, and this resource appears in /discovery/resources and /discovery/search.