Evidence row 119182

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://research.zaiba.cloud/api/v1/package/npm/left-pad"
    ]
  ],
  "name": "DeAI Artifact Gateway",
  "owner_address": "0x9a370b590d92b83675d6322e8f8cbca05458ac56",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "format": "deterministic_json",
          "instructions": "Sign an EIP-3009 TransferWithAuthorization for this entry and retry the same request with X-PAYMENT (v1) or PAYMENT-SIGNATURE (v2).",
          "name": "USD Coin",
          "terms_url": "https://research.zaiba.cloud/terms",
          "verification": "byte-exact quotes against content-addressed sources",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x9a370b590d92b83675d6322e8f8cbca05458ac56",
        "scheme": "exact"
      }
    ],
    "description": "DeAI artifact gateway: reuse (package_check). Deterministic JSON with byte-exact quotes for $0.0100; no crawl, no bot walls.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "exists": true,
              "name": "left-pad",
              "registry": "npm",
              "risk": {
                "level": "low",
                "reasons": [],
                "score": 1
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-15T12:02:21.836Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-15T12:02:21.663Z"
    },
    "resource": "https://research.zaiba.cloud/api/v1/package/npm/left-pad",
    "serviceName": "DeAI Artifact Gateway",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "DeAI artifact gateway: reuse (package_check). Deterministic JSON with byte-exact quotes for $0.0100; no crawl, no bot walls."
}

What the leaf hashes

{"body":"760a70104978cfad2efc3845579e7cd4a9979ac1596ee3844e07cbdd1cd640ae","id":119182,"kind":"listing","method":"baseline/1","observed_us":1793025614926542,"prev":null,"subject":"x402_bazaar:https://research.zaiba.cloud/api/v1/package/npm/left-pad","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. 0x13510a14b4a9c10b74c8bcf7978ba0f132dada09c420a6ec538017832fc9a8a1
2. 0x9e0e049ccb10c40c4a02e619fd286773fdaf13d065abf844b27507a7b6ee035f
3. 0xc70c1c1edb1c6334c8f5646580d0978c6466fc67b512b98c2c06f8de4e51b220
4. 0xb9d79eb1dec9dedacfa48ef17079f72122ee206b952f48b8ed9e6f735ace64b2
5. 0x6707a184f2894dce8818acaba839f6cc03893d5f1a2f1803916a3b3f6051a9da
6. 0xf96394cb6990fdfc8bb5b645ed4e17cc9809ca64c6a188f59f6284038aac2617
7. 0x1c578b1e51633bda69729a24b537d188d1135eb5d3d2628babbbb0f0b5801b3f
8. 0x0c03a7293a97fb8fd1444c078446e1ed44f867adb406c99b15fef998204dd5de
9. 0xb184ee14fc8b283552a30eaeb5710047f2407274c459b86633a685e9e10052b9
10. 0x4a6e9d6f8bcdedf054372776140e3ef47d5f8d6efb1bdab8c26dcd9c83c1db99
11. 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
12. 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae