Evidence row 218710

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mobilitychain.kr/api/intel"
    ]
  ],
  "name": "mobilitychain.kr/api/intel",
  "owner_address": "0x6ca33cc6833fb61f760c8ee3e5ae5927a98d8b69",
  "raw": {
    "accepts": [
      {
        "amount": "137000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x6cA33Cc6833fb61F760c8ee3e5aE5927a98d8B69",
        "scheme": "exact"
      },
      {
        "amount": "137000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cc03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:137",
        "payTo": "0x6cA33Cc6833fb61F760c8ee3e5aE5927a98d8B69",
        "scheme": "exact"
      }
    ],
    "description": "Korean mobility and EV supply-chain intelligence, sold per query. Structured feed tracking Korea's automotive-electronics and robotics supply chain - batteries and battery materials, EV components, robot parts, actuators and reducers, semiconductors, and tier-1 suppliers to Hyundai/Kia - written from Korean primary reporting and DART filings English-language sources do not cover. Filter by date, category and keyword. Pay per query in USDC on Base or Polygon; empty results free.",
    "extensions": {
      "bazaar": {
        "category": "data",
        "discoverable": true,
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "depth": "brief",
              "limit": "10"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "description": "comma-separated; raw Korean kicker substring or a facet from x-vocabulary in /openapi.json",
                      "type": "string"
                    },
                    "component": {
                      "description": "Comma-separated component IDs. Matches a supplier or developer participant, not an unrelated company.",
                      "type": "string"
                    },
                    "cursor": {
                      "description": "opaque id from a previous response's nextCursor",
                      "type": "string"
                    },
                    "depth": {
                      "description": "index = slug/date/category/title/facets (FREE, any limit), brief = +summary +KPIs +reviewed bilingual intelligence summary ($0.025/item), full = +body +sources +reviewed evidence-backed intelligence ($0.125/item). Paid queries add a $0.012 base fee, waived on cursor continuations. Empty results are free.",
                      "enum": [
                        "index",
                        "brief",
                        "full"
                      ],
                      "type": "string"
                    },
                    "entity": {
                      "description": "Comma-separated stable entity IDs, OR within this filter.",
                      "type": "string"
                    },
                    "entityCountry": {
                      "description": "Comma-separated ISO alpha-2 countries, e.g. KR. Country and component must match the same participant.",
                      "type": "string"
                    },
                    "eventType": {
                      "description": "Comma-separated event types. A reported plan is not a completed delivery; inspect status and claimBasis.",
                      "type": "string"
                    },
                    "limit": {
                      "description": "1-100, default 5",
                      "type": "string"
                    },
                    "q": {
                      "description": "keyword, matched against title and summary. Korean content; common English terms are auto-mapped to Korean.",
                      "type": "string"
                    },
                    "since": {
                      "description": "YYYY-MM-DD, inclusive",
                      "type": "string"
                    },
                    "until": {
                      "description": "YYYY-MM-DD, inclusive",
                      "type": "string"
                    }
                  },
                  "type": "object"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        },
        "tags": [
          "korea",
          "mobility",
          "supply-chain",
          "ev",
          "battery",
          "robotics",
          "news",
          "korean-language"
        ],
        "x-intelligence": {
          "coverage": {
            "newest": "2026-10-15",
            "note": "Structured filters search reviewed articles only. Missing enrichment is unknown, not evidence of no events. Dates filter article publication in Asia/Seoul, not event occurrence.",
            "oldest": "2026-10-03",
            "reviewedArticles": 30,
            "schemaVersion": "1.0",
            "totalArticles": 534,
            "updatedAt": "2026-10-15T08:34:41Z"
          },
          "documentation": "https://mobilitychain.kr/developers",
          "filterNote": "Structured filters search reviewed enrichment only. Filters combine with AND; comma-separated values within each combine with OR. All filters must match the same event and participant. Editorial inference is excluded. since/until filter article publication dates in Asia/Seoul, not event dates.",
          "sample": "https://mobilitychain.kr/api/intel/sample",
          "schema": "https://mobilitychain.kr/schemas/intelligence-v1.json",
          "tiers": {
            "brief": "Adds bilingual summary, normalized entity names, event type, status and claim basis.",
            "full": "Adds reviewed events, relationships, metrics and evidence. Legacy records have intelligence: null.",
            "index": "Free articleId, hasIntelligence, entityIds and components; no claim details."
          },
          "vocabulary": {
            "claimBases": [
              "official_announcement",
              "company_claim",
              "media_report",
              "editorial_inference"
            ],
            "components": [
              "actuator",
              "reducer",
              "sensor",
              "battery",
              "controller",
              "semiconductor",
              "gripper",
              "robot",
              "software",
              "material",
              "camera",
              "charging",
              "display",
              "motor",
              "pcb",
              "passive_component",
              "wiring"
            ],
            "eventTypes": [
              "product_announcement",
              "contract",
              "funding",
              "capacity_change",
              "deployment",
              "policy",
              "research_result",
              "security_disclosure",
              "business_update",
              "market_report"
            ],
            "schemaVersion": "1.0"
          },
          "workedQuery": "https://mobilitychain.kr/api/intel?depth=index&limit=10&component=actuator&entityCountry=KR&eventType=product_announcement%2Ccontract&since=2026-10-12&until=2026-10-17",
          "workedQueryNote": "Current KST week. Zero matches are valid and free; this example does not claim full archive enrichment."
        }
      },
      "kr.mobilitychain": {
        "preview": {
          "count": 5,
          "depth": "brief",
          "newest": "2026-10-16",
          "priceUSD": "$0.137"
        }
      }
    },
    "lastUpdated": "2026-10-17T02:49:30.782Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-17T02:49:29.32Z"
    },
    "resource": "https://mobilitychain.kr/api/intel",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Korean mobility and EV supply-chain intelligence, sold per query. Structured feed tracking Korea's automotive-electronics and robotics supply chain - batteries and battery materials, EV components, robot parts, actuators and reducers, semiconductors, and tier-1 suppliers to Hyundai/Kia - written from Korean primary reporting and DART filings English-language sources do not cover. Filter by date, category and keyword. Pay per query in USDC on Base or Polygon; empty results free."
}

What the leaf hashes

{"body":"e8c5863c35edbde4a43d3b6b66b91bf9798ae4cfc56866bb70f86bbfaff707df","id":218710,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026644901642,"prev":117130,"subject":"x402_bazaar:https://mobilitychain.kr/api/intel","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. 0xb306300bf5002e5fb4c0f47735cda1c43ee386c9c71536fc45aba022873e18b7
2. 0xc27ace93ccc0ef928d64ea9cc9bf15e3e4c793d4b4f3ba2e691a198575303ac5
3. 0x2d1ccbdfe6b43d950103820c2c23aa905997e0efdcb2632b4f6051d8e22dd5e0
4. 0x8b149bb3623eb8de99cea3775ba6b9e68f5d9741e89d150bffa2f5682288bdc1
5. 0x6f560a2a9c5c6c035dbfa03b7301f698b42ed2e270182b511713733083b71a4b
6. 0x784a7bbb3ca326d585176fa35cad8dbbcf7a97af75086ad48c5300027f31ad1c
7. 0xd23d59b81aa62423616fe449026f2ab3840af69b910ab633b3fd1f92f58b8254
8. 0x3b6b3befde19fc858b220fe429cf8c553bce4667cf8cc4a5e8d3d6c773345a77
9. 0xf3459130fadd071ff4467116a3e6ee7756254e46323de97b1e1bd4c8bdffe533
10. 0x34826d27a00fb6f2649b492e5ca5ff6025211b9bda757487c3351c0e533593f3
11. 0x08b0ee375f7c28afd23e265e3e1bed91ba37304e42eafa665ef4a7f785b3e7bf
12. 0x3d6ec9d5ef8daa604601742088e213da0a439db6eff6ce50ec3ffb264a60ddd3
13. 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae