Evidence row 578006

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "An issuer claims its row, free: the issuer's domain and a contact; the nightly claims rail reads the domain and the row moves listed → claimed (verified when the domain answers on its cadence). A claim that stops answering falls back to listed.",
      "inputSchema": {
        "properties": {
          "contact": {
            "type": "string"
          },
          "domain": {
            "type": "string"
          },
          "issuer_key": {
            "type": "string"
          }
        },
        "required": [
          "issuer_key",
          "domain",
          "contact"
        ],
        "type": "object"
      },
      "name": "claim_row"
    },
    {
      "description": "An order intent for a paid read (the full row or the delta): returns the x402 terms for mcp.issuerwire.ai and the intent id to carry into the paid call. Nothing is sold but the read.",
      "inputSchema": {
        "properties": {
          "issuer": {
            "type": "string"
          },
          "scope": {
            "default": "delta",
            "type": "string"
          },
          "since": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          }
        },
        "required": [
          "issuer"
        ],
        "type": "object"
      },
      "name": "create_order_intent"
    },
    {
      "description": "What has this issuer filed or released since my last read? Pass the instant (or date) of your last read — for one issuer, or for a whole market with market=US·UK·CA·DE·FR·NL·CH·AU·SG·JP·KR·HK and no issuer; the signed delta — every new row with its source page and the delta envelope signed — settles on x402 inside the call. Open at the facts level (count and ids).",
      "inputSchema": {
        "properties": {
          "issuer": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          },
          "market": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          },
          "since": {
            "default": "",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_delta"
    },
    {
      "description": "One issuer row by issuer_key. Open at the facts level (name, tickers, identifiers, status, claim standing, how many rows the record holds for it); the full signed row — every field with its source page and read date — settles on x402 inside the call.",
      "inputSchema": {
        "properties": {
          "issuer_key": {
            "type": "string"
          }
        },
        "required": [
          "issuer_key"
        ],
        "type": "object"
      },
      "name": "get_issuer"
    },
    {
      "description": "One news row by id. Facts level open; the full signed row (source page, publisher, read date, signature) settles on x402.",
      "inputSchema": {
        "properties": {
          "id": {
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_row"
    },
    {
      "description": "The news rows the record holds for an issuer: filings, releases and third-party coverage, newest first, from a date. Open at the facts level (id, date, type, title, counts); the signed rows with their source pages settle on x402.",
      "inputSchema": {
        "properties": {
          "issuer": {
            "type": "string"
          },
          "limit": {
            "default": 50,
            "type": "integer"
          },
          "since": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          },
          "type": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          }
        },
        "required": [
          "issuer"
        ],
        "type": "object"
      },
      "name": "list_filings"
    },
    {
      "description": "Write a signed audit line to the ledger (kinds: read · claim · order_intent · note) for a reference id from this door; returns the ledger event id.",
      "inputSchema": {
        "properties": {
          "kind": {
            "type": "string"
          },
          "note": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          },
          "reference_id": {
            "type": "string"
          }
        },
        "required": [
          "kind",
          "reference_id"
        ],
        "type": "object"
      },
      "name": "log_audit"
    },
    {
      "description": "Who is this issuer? A name, ticker, ISIN, LEI, CIK or Companies House number (optionally a market: US · UK · CA · DE · FR · NL · CH · AU · SG · JP · KR · HK) resolves to the issuer keys on the record, with name, tickers, status and claim standing. Open.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 10,
            "type": "integer"
          },
          "market": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null
          },
          "query": {
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "resolve_issuer"
    }
  ]
}

What the leaf hashes

{"body":"c82a19d17fd1b06a98a4ff89144ff5b360889f2bcce0bac7f51c8789b3ab971c","id":578006,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793142828178238,"prev":null,"subject":"c84fe0d0-214b-45d7-9f71-2e8982d08f99","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. 0x74376ad275b03ea4689d89bab1c1c099d4bb622e16fd8b935013191a2e7fd60c
2. 0x774816a31dfd3ec93a71095bf1d489eb1b7076a7b0168cc5c37fa3008ca22d1c
3. 0x31bafdd3ab05f11df89cea25861bd66a5ceeb79a16915afcf80ddf883c5cf39c
4. 0xfcea52a86c82cd70ba4cea1ae3118fdbdc0744166a1dc48a3199422553ce48de
5. 0x73dea07e7d484593a55c031a53865fcd4dd60edaa26318637936ad6a8f8e0061
6. 0xd426e66a3ab05b069e63f395cfe81fcfcddd9993066de4d05d29a05ade98bbca
7. 0x1fa4b4febbf2e97960e9b105429b73ed40d3ba80faee85a143ff0cf8c7cf09b8
8. 0xdb2917ea2967ad652e6f00e6f72e45647f488bf279676b09a91f52568e4b19d0
9. 0x46b7c28b01d7af0d32cc14b994f8d97384f0c739e179d9927629ef1ee652003d
10. 0xf7183cba9cd67699064b26ea6acbfa032bf68cacd6fd90929c591383c8d3d989
11. 0x87d9722f6144a6bdbc601abce8aa277e4125cc680211131dcb21639e43daeffd
12. 0x58a1b7d7965722efb70d69acfb10b39e77f817864b8d4b4069d33ff29884a3bd
13. 0x4094bd5bc2ab60e4518d1ee8a13455a69d7484ea62ecdca2618d0f39d3403503
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4