Evidence row 579424

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Attach a posted offer to a buy intent. No deposits. No order placement.",
      "inputSchema": {
        "properties": {
          "intent_id": {
            "type": "string"
          },
          "offer_id": {
            "type": "string"
          }
        },
        "required": [
          "intent_id",
          "offer_id"
        ],
        "type": "object"
      },
      "name": "cover_intent"
    },
    {
      "description": "Free live quote. Mixes vendor offers and catalog. Every spec is written to the demand tape. Does not place orders.",
      "inputSchema": {
        "properties": {
          "deadline": {
            "type": "string"
          },
          "intent_id": {
            "type": "string"
          },
          "max_price_usd": {
            "type": "string"
          },
          "mpn": {
            "type": "string"
          },
          "quantity": {
            "type": "integer"
          },
          "ship_to_country": {
            "type": "string"
          },
          "spec": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_quote"
    },
    {
      "description": "Read clustered hashes with intent, offer, search, and miss counts. Signal only. Not a fill.",
      "inputSchema": {
        "properties": {
          "limit": {
            "type": "integer"
          },
          "spec_hash": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_demand"
    },
    {
      "description": "Return merchant product/checkout URL for a quote. Does not complete payment.",
      "inputSchema": {
        "properties": {
          "offer_index": {
            "type": "integer"
          },
          "quote_id": {
            "type": "string"
          }
        },
        "required": [
          "quote_id"
        ],
        "type": "object"
      },
      "name": "open_checkout"
    },
    {
      "description": "Cluster intents by spec hash. No deposits.",
      "inputSchema": {
        "properties": {
          "intent_id": {
            "type": "string"
          },
          "min_quantity": {
            "minimum": 2,
            "type": "integer"
          }
        },
        "required": [
          "intent_id",
          "min_quantity"
        ],
        "type": "object"
      },
      "name": "open_pool"
    },
    {
      "description": "Record a buy intent. Free. Does not charge or hold funds.",
      "inputSchema": {
        "properties": {
          "agent_id": {
            "type": "string"
          },
          "deadline": {
            "type": "string"
          },
          "max_price_usd": {
            "type": "string"
          },
          "mpn": {
            "type": "string"
          },
          "quantity": {
            "minimum": 1,
            "type": "integer"
          },
          "ship_to_country": {
            "type": "string"
          },
          "spec": {
            "type": "string"
          },
          "vertical": {
            "type": "string"
          }
        },
        "required": [
          "spec",
          "quantity",
          "max_price_usd",
          "ship_to_country",
          "deadline"
        ],
        "type": "object"
      },
      "name": "post_intent"
    },
    {
      "description": "Record a vendor ask against a spec hash. Free. No inventory held here. Merchant stays merchant of record.",
      "inputSchema": {
        "properties": {
          "agent_id": {
            "type": "string"
          },
          "expires_at": {
            "type": "string"
          },
          "firm": {
            "type": "boolean"
          },
          "lead_days": {
            "type": "integer"
          },
          "merchant_domain": {
            "type": "string"
          },
          "merchant_url": {
            "type": "string"
          },
          "mpn": {
            "type": "string"
          },
          "quantity": {
            "minimum": 1,
            "type": "integer"
          },
          "ships_to_country": {
            "type": "string"
          },
          "spec": {
            "type": "string"
          },
          "unit_price_usd": {
            "type": "string"
          },
          "vertical": {
            "type": "string"
          }
        },
        "required": [
          "spec",
          "unit_price_usd",
          "quantity",
          "merchant_url",
          "ships_to_country"
        ],
        "type": "object"
      },
      "name": "post_offer"
    },
    {
      "description": "Free supply scan. Every query is written to the demand tape. Misses become implicit intents.",
      "inputSchema": {
        "properties": {
          "limit": {
            "type": "integer"
          },
          "query": {
            "type": "string"
          },
          "ship_to_country": {
            "type": "string"
          }
        },
        "required": [
          "query",
          "ship_to_country"
        ],
        "type": "object"
      },
      "name": "search_supply"
    }
  ]
}

What the leaf hashes

{"body":"7714d76068df646d2e1a899f1200630fac9d7daa451584c5a913746c4fab6fa7","id":579424,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793143422412704,"prev":null,"subject":"13be76c0-1282-426b-a966-702a71cdae34","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. 0xf282327a890e2e8f3d236f08ce65784a2f5f3a7a4425c6cec7d440fab6027112
2. 0x72c96627a8c16efc33296a4bd5415c74951b2558f226509188884f0b7c1a1930
3. 0x3ed3c884bb1b5dcf24f23436de5600eea6e18eb6094feadba23e377a68eb8320
4. 0x121ffb4f611349982f4ac040747db4c1d2ab2c3929bffbf0811547cb51f3419c
5. 0x9383dfa4d390cf68d042d4737d003aba08a3abeaa695932f41e93cea2adab580
6. 0x5ea7ca3399a61ec7db73387b5969ff61c0bf2fd751b29570a17d86d2eedf6dae
7. 0x4ef8f03f611e1d1c04b4c9000fbde58e15572ffcf6184feaf3bc0321cad40b23
8. 0x88001eeaa62877357aac082242be2c2f1e52293982f337aa9a1ea3c49e070adc
9. 0x6addd4e7d773acdcc65cde5c8522c44f26ea740edb36ef30b2c6cb5c7a33ce12
10. 0x0a879be3598265939a739b13b94d402b3ceaf153a637e48d796122f830d66998
11. 0x2ea101b6388c288056f45a9fd999778249a27a3187a1c19c21450a69a4412959
12. 0xc76e7a2a7d72384a3306a63b271737f83983bf378cba5d40efe61cfc57eb7d40
13. 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4