Evidence row 122854

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://trade.chainverdict.xyz/v1/gtin/checkdigit"
    ]
  ],
  "name": "trade.chainverdict.xyz/v1/gtin/checkdigit",
  "owner_address": "0xae2634e709c454f2720c65a0b2f9ba168e431842",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xAe2634E709c454f2720C65A0b2F9ba168e431842",
        "scheme": "exact"
      }
    ],
    "description": "Compute the GS1 check digit for a code body missing it.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "body": "400638133393"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checkDigit": 1
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "body": {
                      "description": "GS1 key body without its check digit",
                      "type": "string"
                    }
                  },
                  "required": [
                    "body"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:13:44.567Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:13:44.314Z"
    },
    "resource": "https://trade.chainverdict.xyz/v1/gtin/checkdigit",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compute the GS1 check digit for a code body missing it."
}

What the leaf hashes

{"body":"599fb2962d42919d3f40b9be7a2710cb66085961ebca9c954d3aa13857f744d1","id":122854,"kind":"listing","method":"baseline/1","observed_us":1793025622270809,"prev":null,"subject":"x402_bazaar:https://trade.chainverdict.xyz/v1/gtin/checkdigit","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. 0xd77eed21d603d04394979aa97b15f75e416574dacbaf9a03083a1d5f989d6daa
2. 0xa7211a2609df3ee0f088370ae2689102e8c6a8f79e0bae232304ee4b73aad7d8
3. 0xa5ba372d5cda0ce0830878dd983e10b677a876f820e3004dd18195e8c8b9fa4c
4. 0x753136c8259b0de94b416074a5cd0dbeb0a0afb55dac8f74b84bf4272778823f
5. 0xc0a2c8aff5209ec24495542bc29ba114db07ac695590f0a0c14f945a715d127f
6. 0xd7d6a6a7ce4bdb4879777e2284a2d10a82e1b78d725ee26848b280331599e604
7. 0x08050380b0550778bdfc81945fc36f54176f0dc7bd755e3b91b6515cc25f8777
8. 0x1c5df9d19929ffc7d15fd6f0dd957d0980892d030089758c828e9220f0f2ef98
9. 0x5e11af53e43c95306b5bec7a7eb4e86feafed8da8ae8d158e8ba26ce20f87a53
10. 0x4c6a4d003a4c8e394c82c8f16a5c6669cfbbac391218d8be2c13f5d5aa94e7a7
11. 0x681ef979e2591e4ee00c2230855c75508aa926b1abc5e4e5e6a9348a15261045
12. 0x39d84ffb833c94bfff15760ea7da987f5303e407884de386d5a33b2328c7d785
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae