Evidence row 121809

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://stack.halowerk.com/stack"
    ]
  ],
  "name": "Tech Detect",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "One HTTP request per host, matched against an in-house signature set. Every hit carries a confidence value from 0 to 100 and the evidence it rests on: response header, asset path, cookie name, meta generator, DNS or ASN record. Results are cached for 24 hours per host, so a repeat lookup of the same domain answers from cache.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "refresh": {
                      "default": false,
                      "description": "Bypass the 24 hour cache and fetch the origin again. Same price.",
                      "type": "boolean"
                    },
                    "render": {
                      "default": false,
                      "description": "Render the page in a headless browser before matching. Off by default: plain delivery is faster, cheaper on the origin and enough for almost every site. Turn it on for pages that build their markup entirely in JavaScript.",
                      "type": "boolean"
                    },
                    "url": {
                      "description": "Absolute http or https URL. Only the host matters for the cache; a path is followed but never probed separately.",
                      "format": "uri",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-14T10:03:59.927Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-14T10:03:59.522Z"
    },
    "resource": "https://stack.halowerk.com/stack",
    "serviceName": "Tech Detect",
    "tags": [
      "x402",
      "halowerk",
      "detect_stack"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One HTTP request per host, matched against an in-house signature set. Every hit carries a confidence value from 0 to 100 and the evidence it rests on: response header, asset path, cookie name, meta generator, DNS or ASN record. Results are cached for 24 hours per host, so a repeat lookup of the same domain answers from cache."
}

What the leaf hashes

{"body":"942883fafee1d2f8dbac69cc2a7aaafab719149a5d6c208af6b7c3f1200ec1f3","id":121809,"kind":"listing","method":"baseline/1","observed_us":1793025620530860,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack","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. 0x01db05285de8d07cf829cc6fc464127b668ff9c157fc249fac1b54b162e97d41
2. 0x74525e3b7d3643a06d20fc8e88a5068ec936532e23887e7643dfb644b1c92057
3. 0x11016e81f0eb2697945b7825c4b1ccab8e782a5b398f05a5b1db85b89a25d1be
4. 0x9f911f20f7bbf936d61fb37976e63c689330af04395f2ab4bb6c081dc088f617
5. 0x0277cc87f2cdf05115a1514ca87f0f8c4f280bdbb8b05e3dcae371c4ccfec87e
6. 0x0a38e4216985796b4019c34da4091a8ab7a48616e1fa68fe52833321dfd87ec0
7. 0x577bb279c3b9b839b57c6dc06ffe033f4e769642ae852cfa0c10aeae85d55cb7
8. 0x82713f8a323b4b8bcf990ef9a097dcb3a6267858368de6825457b9a394dc7606
9. 0x7b05d8237282cbd22d605a243ea1e20b370d2f54a09ce9de96d1b7d4fef066fd
10. 0xb59ab9723c94bb11211a69aab135061f373122c6fca8c5dbfd525237ac1ef164
11. 0x588f372bbaaf730e538542f070b005c0dd23fdb8c7f43a940481de0c1681aae1
12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae