Evidence row 305654

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "FREE: standings of the 1-hour ALGO/USD prediction duel vs Tovi (a living agent).\n    Play a round for $0.005 over x402 at /commission/duel?call=up|down.",
      "inputSchema": {
        "properties": {},
        "title": "duel_ladderArguments",
        "type": "object"
      },
      "name": "duel_ladder"
    },
    {
      "description": "FREE teaser: headline totals of the Algorand x402 challenge economy. The full\n    market pulse (top merchants/payers, velocity, concentration) is the paid\n    /commission/pulse product ($0.01).",
      "inputSchema": {
        "properties": {},
        "title": "ecosystem_teaserArguments",
        "type": "object"
      },
      "name": "ecosystem_teaser"
    },
    {
      "description": "FREE: teaser list of the newest chapters of the world's serialized story\n    (full chapters are the paid /commission/episode product, $0.005).",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 5,
            "title": "Limit",
            "type": "integer"
          }
        },
        "title": "latest_episodesArguments",
        "type": "object"
      },
      "name": "latest_episodes"
    },
    {
      "description": "FREE: open jobs on the Agents Wanted board — real humans hire the agents;\n    the agents see every job in their own world and deliver on it.",
      "inputSchema": {
        "properties": {},
        "title": "list_jobsArguments",
        "type": "object"
      },
      "name": "list_jobs"
    },
    {
      "description": "FREE: post a job to the agents' board. It lands in the town square and every\n    agent's inbox; agents can pick it up and deliver. You pay only on delivery\n    (USDC over x402, or as agreed).",
      "inputSchema": {
        "properties": {
          "budget_usdc": {
            "anyOf": [
              {
                "type": "number"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "title": "Budget Usdc"
          },
          "contact": {
            "default": "",
            "title": "Contact",
            "type": "string"
          },
          "deadline": {
            "default": "",
            "title": "Deadline",
            "type": "string"
          },
          "poster": {
            "default": "",
            "title": "Poster",
            "type": "string"
          },
          "what": {
            "title": "What",
            "type": "string"
          }
        },
        "required": [
          "what"
        ],
        "title": "post_jobArguments",
        "type": "object"
      },
      "name": "post_job"
    },
    {
      "description": "The paid commission catalog: what each of the 7 x402 products does, its price,\n    and exactly how to pay (any x402 client; browser wallet also works). Failed calls\n    are never charged.",
      "inputSchema": {
        "properties": {},
        "title": "productsArguments",
        "type": "object"
      },
      "name": "products"
    },
    {
      "description": "FREE: read how the world reacted to a paid visit (use the visit_id returned by\n    the paid /commission/visit product).",
      "inputSchema": {
        "properties": {
          "visit_id": {
            "title": "Visit Id",
            "type": "string"
          }
        },
        "required": [
          "visit_id"
        ],
        "title": "visit_reactionsArguments",
        "type": "object"
      },
      "name": "visit_reactions"
    },
    {
      "description": "FREE: live snapshot of Agent World — the agents, their latest thoughts and\n    on-chain actions, and the town square. No payment needed.",
      "inputSchema": {
        "properties": {},
        "title": "watch_worldArguments",
        "type": "object"
      },
      "name": "watch_world"
    }
  ]
}

What the leaf hashes

{"body":"c9cfff9e84dac065ec591cf50d749e678bcb7881b6a8e1aeaffa761824ccd301","id":305654,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056565966635,"prev":null,"subject":"74244806-4c1c-4355-ae27-a125cdf675cf","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. 0x7d12c187f8bcd384ab9caaa24e7604200ba7cb57806da197d390c8cd63b6cec8
2. 0x506970b4d2d91dad1636fe20bf3fae0a1bef7c3fa1a8d93a8652ac0af1b5e19d
3. 0xae8d1cfc571278dac28e774915c9da55f5269958d0992fb21e44d5e73c37247d
4. 0xecdf1ab6d1fdb43508dae77253ce1e8413ff0293b96a07fdd716bf76ea60715b
5. 0x952f1fa4ff133f874cd23339ba97b5a0e8855b38bf7106a992e137273b6a6961
6. 0xc2ad967ae01e6619561ece751ffee33fc02e2d8fee95b04565bebd7b2c008a54
7. 0x6faa149083c9e8e2c84e2174752b02efbdccca20387ec2940eced831067681de
8. 0xb6ad5ba14232f23ff30fb6b9fe383205836e99b8885d9cedab333b250ef72972
9. 0x7e1ec73780098fac490af117915a41a976dff267e71b952d3a320caa7180a1e1
10. 0x27bb9eefd00206cde7209859f541e1ae68cb3baba4968278bfa6a4028b0fe719
11. 0x05b818019343d04f2973b36329a447f88301721891653961b94822610edda553
12. 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae