Evidence row 579428

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Get a free price, route, latency, and policy quote without retrieving the page.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "freshness_seconds": {
            "default": 3600,
            "maximum": 86400,
            "minimum": 60,
            "type": "integer"
          },
          "max_price_usd": {
            "minimum": 0,
            "type": "number"
          },
          "max_tokens": {
            "default": 4000,
            "maximum": 12000,
            "minimum": 250,
            "type": "integer"
          },
          "question": {
            "description": "Task or question used to rank relevant passages.",
            "maxLength": 2000,
            "type": "string"
          },
          "url": {
            "description": "Public HTTP or HTTPS page to retrieve.",
            "format": "uri",
            "maxLength": 4096,
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "quote_context"
    },
    {
      "description": "Retrieve compact, citation-verifiable context from public HTML. Costs $0.005 USDC via x402.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "freshness_seconds": {
            "default": 3600,
            "maximum": 86400,
            "minimum": 60,
            "type": "integer"
          },
          "max_price_usd": {
            "minimum": 0,
            "type": "number"
          },
          "max_tokens": {
            "default": 4000,
            "maximum": 12000,
            "minimum": 250,
            "type": "integer"
          },
          "question": {
            "description": "Task or question used to rank relevant passages.",
            "maxLength": 2000,
            "type": "string"
          },
          "url": {
            "description": "Public HTTP or HTTPS page to retrieve.",
            "format": "uri",
            "maxLength": 4096,
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "retrieve_context"
    }
  ]
}

What the leaf hashes

{"body":"2347761c81646eb3c3c78df3e55f0662d4b1df402933c4a8cc13288a1ac37c06","id":579428,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793143422707924,"prev":null,"subject":"9e613e91-8421-4dc7-ae18-1d89286357ba","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x3c8a17215da107ffa01d81bffc3c7a7f080e537ad86828019e9abdaf3c2ae140
2. 0x9ea04b01f6d0c4056c0d14bb101bf2d24bb919b48e5cd08be23b61f52fd5e847
3. 0x6c946cb7ad4368200ee936f15935b08fdf4a31a96cbc89cf263ebe9a58f92895
4. 0x461cc76f349c2ae5d5c74e737f7d700792c3de45f0d6eabc1ce728c73db8312c
5. 0x802f5492962cd3485f862b605226b7f18d92e2d431e5d02544f40c7327cd36c3
6. 0x3b639d9770f84e7bec34fd93946ae3f473e38d9b1e7d2901246677f4f420b498
7. 0x678fdd06a78c1fad226e28c53399caa93bd82f6dd39794c253d230d72a995902
8. 0x7108ad6b9803d7ca1067e5b5167f8f60bb3cd46a1b576a1100c9060a43f2c926
9. 0xb62e616f09ed3342f96044d68adee10677f4641fe5d152825a2149f58c5eda9d
10. 0x20ce165a0d8336fea141e0c371351a7bbb12f065d8ef43ab00c2247475a52c3d
11. 0x142ffc1d2025965a3e91857cd2d35ac599e5120c39272796b11f4a87c43bb99b
12. 0x5bcdf911ebda5c6d942d996f5453cef161d2571921ceb388d7c8ffbdc925f4d0
13. 0x9e70d944564843a0f0d88b623d628ff2e2ac17c172d4ebe0ed141fe8b9f9dae4
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4