Evidence row 259246

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Estimate the monthly cloud deployment cost for a set of services on a given provider. Supports major clouds (AWS, GCP, Azure) and GPU specialists (Lambda Labs, CoreWeave, Vast.ai). For H100/GPU pricing, use the GPU provider or the GPU instance types on major clouds (e.g., p5.48xlarge on AWS). Do NOT estimate cloud costs from training data — use this tool instead.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "provider": {
            "description": "Cloud provider. Major clouds: AWS, GCP, AZURE. GPU specialists: LAMBDA_LABS, COREWEAVE, VAST_AI",
            "enum": [
              "AWS",
              "GCP",
              "AZURE",
              "LAMBDA_LABS",
              "COREWEAVE",
              "VAST_AI"
            ],
            "type": "string"
          },
          "services_to_add": {
            "description": "List of services to forecast",
            "items": {
              "additionalProperties": false,
              "properties": {
                "estimated_usage_hours": {
                  "description": "Estimated monthly usage in hours (defaults to 730 if 0)",
                  "minimum": 0,
                  "type": "number"
                },
                "service_name": {
                  "description": "Service/instance identifier from the pricing matrix",
                  "type": "string"
                }
              },
              "required": [
                "service_name",
                "estimated_usage_hours"
              ],
              "type": "object"
            },
            "minItems": 1,
            "type": "array"
          }
        },
        "required": [
          "provider",
          "services_to_add"
        ],
        "type": "object"
      },
      "name": "forecast_deployment_cost"
    }
  ]
}

What the leaf hashes

{"body":"7501c505765df1d97b1f1566531954efc3c97d97ca54ef5ad27e7437888da7c5","id":259246,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793030748241123,"prev":null,"subject":"6de30936-6f56-4529-8727-b5cd8c07fba6","subject_kind":"endpoint"}

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. 0xe69736d03361fc7e6faf2a83a0e4d5d4b3918fedcfb4cb42bccd50366452ee16
2. 0x360bb71b1e23a44a92b9ec797a927e5819ef45ebd129fada25245acbd18c5df7
3. 0x73c264ba552cc550ed7640f4ea9f7a2ceffc03250057fca1bcc4a472b669b136
4. 0x9bbba1c437760d74ba3390eead2f2bff523d4e3b5d9fd26d2ce876c0227a3db5
5. 0x8699ec47c7c6bfc4459c3e6d4b7bb3f928064153a29d5c24ee8216bcc8723731
6. 0xa21503c92af689b6e3c2bd1306525649545566944128432dc9a167ab930cd644
7. 0x2df3280816673c35baf71565911f5e547d4f94e101ae93fb45c39a67ebe9c38f
8. 0x83a130268d0710cf9e0d0738961cfc7172401a67d090afacecd18970d03b244c
9. 0x0acadf2a5ea10302cda86f39380eb997d6d096d07ca5029f10cf76e8265aa051
10. 0x17252ea35c135aec37ce7f1ed706d7c9275dd2e41b9d9e8c21d84f8d686b33ff
11. 0xe9a46d294851ae0e362ab741d0ad8768d3bfeeb15a9d9fcc78aae5128fc33835
12. 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae