Evidence row 70491

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/forum/stackoverflow"
    ]
  ],
  "name": "api.x402node.dev/forum/stackoverflow",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Search Stack Overflow questions via Stack Exchange API. Returns title, score, answer_count, is_answered, accepted_answer_id, tags, view_count, link, created_at, owner. Use ?q=YOUR_QUERY plus optional and tag=python and site=stackoverflow|serverfault|superuser and limit=10. Built for AI coding agents finding proven solutions and Q and A. Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "string",
              "q": "string",
              "site": "string",
              "tag": "string"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "description": "Max results (optional)",
                      "type": "string"
                    },
                    "q": {
                      "description": "Search query (required)",
                      "type": "string"
                    },
                    "site": {
                      "description": "Site (optional)",
                      "type": "string"
                    },
                    "tag": {
                      "description": "Tag (optional)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-13T06:16:42.495Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-13T06:16:42.104Z"
    },
    "resource": "https://api.x402node.dev/forum/stackoverflow",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search Stack Overflow questions via Stack Exchange API. Returns title, score, answer_count, is_answered, accepted_answer_id, tags, view_count, link, created_at, owner. Use ?q=YOUR_QUERY plus optional and tag=python and site=stackoverflow|serverfault|superuser and limit=10. Built for AI coding agents finding proven solutions and Q and A. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"faf4da6e1d71e9d85a110d376c056878a62c2b640ff9475930c62f7686fa0423","id":70491,"kind":"listing","method":"baseline/1","observed_us":1793025480384689,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/forum/stackoverflow","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x3ebe85a869419b72fd3e9ad535ec6a510f55c1fe71abeb0e20d9c2827ec874a8
2. 0x6c3b5285b49514312948506a34f8c6f95ac1a68683ed8612ab9b976cb7a37c33
3. 0x24faec881d2869d708d22b21a75e861d4a5613e5fdc12548e7a98f695dcdcc2a
4. 0x04e0d75be2b485c26245dd7fa04d8bc3fa5074ae95d8b1b8b4d675c0dd813aee
5. 0xcabb16a40f822e900b16b9952d7aec94d6a4f28e03f38ea9675887e602d43155
6. 0x02258657cc1dc37faae4063d0b4d4c01580b6f438ed07bc22879eb2582b414ca
7. 0xf01e1705709cc3f323976167847beb226d59aff676edd204afbb7da33469fdfd
8. 0x32fd9e207e3d12ddc1254302069b81128a4ab3e313b04dc07e00c083aa0ae57c
9. 0xc00b49bad2d9721fe17c592cbc7c44ba0133ab2e17e763fa2861bdb18c0201bf
10. 0x870d07b9eca299ca4a4138d50bec59a15e7e0971fcb5751398118bfa5b9f74e6
11. 0xeff3ae4ccee9e9ab663bed39de24a2076950808876228a89701d6ab7f016bd7e
12. 0x1afc0318a98c6dbb5a80e5cb86eba22b844e3f3b185a16f17290e29ab7410f55
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae