Evidence row 259296

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Use when a coding agent needs a cited go/no-go risk decision without steps before changing an existing npm or PyPI dependency between two exact versions. Returns action_allowed, vulnerability delta, compatibility, EOL, and breaking-change evidence. Use plan_dependency_upgrade instead for ordered migration work. Do not use to choose a target, install a new package, search general docs, or analyze another ecosystem. Read-only and safe to retry.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "current_version": {
            "description": "Exact installed version.",
            "maxLength": 64,
            "type": "string"
          },
          "ecosystem": {
            "description": "Package ecosystem. Only npm and pypi are supported.",
            "enum": [
              "npm",
              "pypi"
            ],
            "type": "string"
          },
          "package": {
            "description": "Exact registry package name.",
            "maxLength": 214,
            "type": "string"
          },
          "runtime": {
            "additionalProperties": false,
            "properties": {
              "node": {
                "type": "string"
              },
              "python": {
                "type": "string"
              }
            },
            "type": "object"
          },
          "target_version": {
            "description": "Exact candidate version.",
            "maxLength": 64,
            "type": "string"
          }
        },
        "required": [
          "ecosystem",
          "package",
          "current_version",
          "target_version"
        ],
        "type": "object"
      },
      "name": "check_dependency_upgrade"
    },
    {
      "description": "Use only when an existing npm or PyPI dependency has an exact current version but no chosen target. Ranks candidates; candidates are not declared safe and require check_dependency_upgrade or plan_dependency_upgrade. Do not use when a target is stated, for a new install, or as authorization to edit files. Read-only and safe to retry.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "allow_prerelease": {
            "type": "boolean"
          },
          "current_version": {
            "description": "Exact installed version.",
            "maxLength": 64,
            "type": "string"
          },
          "ecosystem": {
            "description": "Package ecosystem. Only npm and pypi are supported.",
            "enum": [
              "npm",
              "pypi"
            ],
            "type": "string"
          },
          "max_major_jump": {
            "description": "Optional major-version jump cap. 0 = stay in the same major.",
            "minimum": 0,
            "type": "integer"
          },
          "package": {
            "description": "Exact registry package name.",
            "maxLength": 214,
            "type": "string"
          }
        },
        "required": [
          "ecosystem",
          "package",
          "current_version"
        ],
        "type": "object"
      },
      "name": "find_safe_upgrade_target"
    },
    {
      "description": "Use when a coding agent needs a migration checklist, refactor actions, ordered review actions, changelog links, or test steps for exact current and target npm/PyPI versions. Use check_dependency_upgrade instead for a go/no-go without steps. Do not use to choose a target, install a package, or provide a general tutorial. Read-only and safe to retry.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "current_version": {
            "description": "Exact installed version.",
            "maxLength": 64,
            "type": "string"
          },
          "ecosystem": {
            "description": "Package ecosystem. Only npm and pypi are supported.",
            "enum": [
              "npm",
              "pypi"
            ],
            "type": "string"
          },
          "package": {
            "description": "Exact registry package name.",
            "maxLength": 214,
            "type": "string"
          },
          "runtime": {
            "additionalProperties": false,
            "properties": {
              "node": {
                "type": "string"
              },
              "python": {
                "type": "string"
              }
            },
            "type": "object"
          },
          "target_version": {
            "description": "Exact candidate version.",
            "maxLength": 64,
            "type": "string"
          }
        },
        "required": [
          "ecosystem",
          "package",
          "current_version",
          "target_version"
        ],
        "type": "object"
      },
      "name": "plan_dependency_upgrade"
    },
    {
      "description": "Use when an agent reviews a Dependabot, Renovate, npm, or PyPI version change before merge. One cited result combines security delta, runtime compatibility, breaking changes, go/no-go risk, and ordered migration actions for exact current and target versions. Do not use for new installs, unknown versions, general documentation, or other ecosystems. Read-only and safe to retry.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "current_version": {
            "description": "Exact installed version.",
            "maxLength": 64,
            "type": "string"
          },
          "detail": {
            "default": "compact",
            "description": "compact is optimized for agent decisions; full includes the complete legacy plan payload.",
            "enum": [
              "compact",
              "full"
            ],
            "type": "string"
          },
          "ecosystem": {
            "description": "Package ecosystem. Only npm and pypi are supported.",
            "enum": [
              "npm",
              "pypi"
            ],
            "type": "string"
          },
          "package": {
            "description": "Exact registry package name.",
            "maxLength": 214,
            "type": "string"
          },
          "runtime": {
            "additionalProperties": false,
            "properties": {
              "node": {
                "type": "string"
              },
              "python": {
                "type": "string"
              }
            },
            "type": "object"
          },
          "target_version": {
            "description": "Exact candidate version.",
            "maxLength": 64,
            "type": "string"
          }
        },
        "required": [
          "ecosystem",
          "package",
          "current_version",
          "target_version"
        ],
        "type": "object"
      },
      "name": "review_dependency_upgrade"
    }
  ]
}

What the leaf hashes

{"body":"18d92f768883b6ad2e1e283e4991311f0c99255202e84a7c14af36f9116ba589","id":259296,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793030781432799,"prev":null,"subject":"805017ab-d63b-4f29-8500-d2b7a9560d01","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. 0x399ca6378cc513807f2bd3af24a74aff0cc3b0ac2ad12ef198a54f2fea3cb304
2. 0xcc3093c86bb0ee60c9593ec2188dfdf028b45cdb2f6dc113d23dfa9818a6fccc
3. 0x6842321cc3030613ac4d4a5666b185d23bfc5c2b902c55f46c76795180e726aa
4. 0x54e3e63869445d264fda4d89cf33cf31994be146e098165f95fe8d0bf3830a5d
5. 0xe5914f5e0c1150e88304f55bb104209d934d05f4e14a40832b46413d003cb9e4
6. 0xe4ed5400a030bb60d3f5ec899cf2690b0aa283d9781dae584de1a29065f6f199
7. 0x4d3ea1ca9287c180b5726d04ce0c1914a1c148f9828be278070b7423a5982ef6
8. 0x621b8bcec6518d5170586a2d2ed73cd67bcc0170afd3e95839d004dddcfc5323
9. 0x421e7e79142f88fd07b2b2c4d99a68e8be84eb9e0d9dd85e4c0332bdf1f0c1c1
10. 0x523b8ac4b1e261a073661101852ada4310c46af0ed03f362d2ef83a301a47101
11. 0x04a1aa6c1d916326b08791d1568a512f10ac6aaee806ec4073570b0a6b1b64af
12. 0x18cc4431e4bbe45ee72defb9bb3318434364bf71c883055c6197fa7102ec601a
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae