Evidence row 563113

What was observed

{
  "count": 15,
  "tools": [
    {
      "description": "FREE. Discover the full Agora x402 service catalog: every buyable tool, its\nprice in USDC on Base, and the x402 settlement parameters (network, asset, payTo).\nCall this first to see what you can buy and how to pay.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "agora_catalog"
    },
    {
      "description": "PAID (0.05 USDC). Review a code snippet for correctness, security, and clarity;\nreturns a severity-ranked findings report after payment. Returns an x402 quote.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "code": {
            "description": "The source code to review.",
            "type": "string"
          },
          "language": {
            "default": "auto",
            "description": "Programming language (or 'auto' to detect).",
            "type": "string"
          }
        },
        "required": [
          "code"
        ],
        "type": "object"
      },
      "name": "code_review"
    },
    {
      "description": "PAID (0.005 USDC). Text embeddings via local Jetson Ollama (nomic-embed-text,\n6000-char truncation, up to 32 texts per batch). Returns an x402 quote + payment\ninstructions; {model, dims, vectors} is delivered after payment settles.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "texts": {
            "description": "List of strings to embed (max 32).",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "texts"
        ],
        "type": "object"
      },
      "name": "embed_batch"
    },
    {
      "description": "PAID (0.25 USDC). Verify a factual claim and return a supported/refuted verdict\nwith reasoning and citations. Returns an x402 quote + payment instructions.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "claim": {
            "description": "The claim to verify.",
            "type": "string"
          },
          "sources": {
            "anyOf": [
              {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Optional list of source URLs/texts to check against."
          }
        },
        "required": [
          "claim"
        ],
        "type": "object"
      },
      "name": "fact_verify"
    },
    {
      "description": "PAID (0.005 USDC). THE BI-TEMPORAL READ -- the thing no other memory service\non this mesh sells. Answers: \"what did the store BELIEVE at `tx_time` about what\nwas TRUE at `valid_time`?\" Use it to replay an agent's decision with only the\nknowledge it had at the time (no hindsight leakage), to audit corrections, and\nto distinguish \"we were wrong\" from \"the world changed\". Returns an x402 quote.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "k": {
            "default": 5,
            "description": "Number of results (max 25).",
            "type": "integer"
          },
          "key": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Exact key to look up (or use `query`)."
          },
          "query": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Semantic query (or use `key`)."
          },
          "tx_time": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "ISO8601 -- point on the SYSTEM-BELIEF axis. Defaults to now."
          },
          "valid_time": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "ISO8601 -- point on the WORLD-TRUTH axis. Defaults to now."
          }
        },
        "type": "object"
      },
      "name": "mnemos_as_of"
    },
    {
      "description": "PAID (0.005 USDC). The endpoint to call right before a completion: searches\nyour memories, dedupes to the most-recent belief per key, budget-packs them\ninto `max_chars`, and returns a ready-to-paste context block plus structured\nprovenance. Content flagged as prompt-injection is excluded from the block.\nOptionally assembled AS OF a past time. Returns an x402 quote.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "as_of": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "ISO8601 -- assemble context as it stood at this time."
          },
          "k": {
            "default": 8,
            "description": "Max memories to consider (max 25).",
            "type": "integer"
          },
          "max_chars": {
            "default": 4000,
            "description": "Character budget for the assembled block.",
            "type": "integer"
          },
          "query": {
            "description": "What the upcoming completion is about.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "mnemos_get_context"
    },
    {
      "description": "PAID (0.50 USDC, monthly floor). Mint your own fully isolated bi-temporal\nmemory namespace. Payment IS the identity -- no signup, no email: settling the\nx402 quote issues a tenant key, shown exactly once. Returns an x402 quote.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "label": {
            "default": "unnamed",
            "description": "A human label for your tenant (e.g. your agent's name).",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "mnemos_provision"
    },
    {
      "description": "FREE. Learn how Mnemos-as-a-Service works before buying: the BI-TEMPORAL\ncontract (two independent time axes per memory), the tenant-isolation model,\nlimits, pricing, and a worked example showing four different correct answers\nfor one key. No payment, no tenant data. Call this first.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "mnemos_saas_info"
    },
    {
      "description": "PAID (0.005 USDC). Semantic search over your CURRENT beliefs, ranked by\ncosine similarity (nomic-embed-text, computed locally). Raw embedding vectors\nare never returned. Returns an x402 quote; send X-TENANT-KEY once settled.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "k": {
            "default": 5,
            "description": "Number of results (max 25).",
            "type": "integer"
          },
          "kind": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Optional filter on the memory `kind`."
          },
          "query": {
            "description": "Natural-language search query.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "mnemos_search"
    },
    {
      "description": "PAID (0.01 USDC). Store a memory in your isolated bi-temporal namespace.\nAppend-only: `supersedes` marks a prior belief as no longer held WITHOUT\ndestroying it, so it stays queryable via mnemos_as_of. `valid_from`/`valid_to`\ndescribe when the fact is true IN THE WORLD and may be backdated; the system's\nown knowledge timestamps are server-stamped and cannot be forged.\nReturns an x402 quote; requires header X-TENANT-KEY once settled.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "key": {
            "description": "Stable identifier for this fact (e.g. 'ACME.runway').",
            "type": "string"
          },
          "supersedes": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "memory_id of the prior belief this replaces."
          },
          "valid_from": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "ISO8601 -- when the fact became true in the world."
          },
          "valid_to": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "ISO8601 -- when it stopped being true (omit if still true)."
          },
          "value": {
            "description": "The memory content (max 6000 chars).",
            "type": "string"
          }
        },
        "required": [
          "key",
          "value"
        ],
        "type": "object"
      },
      "name": "mnemos_store"
    },
    {
      "description": "PAID (0.10 USDC). Produce a tamper-evident notarization record (sha256 digest +\nsigned timestamp) for a piece of content. The quote preview already includes the\nsha256 digest so you can verify integrity; the signed record follows payment.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "content": {
            "description": "The content to notarize.",
            "type": "string"
          }
        },
        "required": [
          "content"
        ],
        "type": "object"
      },
      "name": "notarize"
    },
    {
      "description": "PAID (0.10 USDC). Structured synthesis brief on a topic, from local model\nknowledge only. This tool does NO live web research and returns NO citations --\nclaims are not sourced. The delivered brief carries in-band caveats stating its\nknowledge cutoff and limits. If you need cited, web-researched output, that is a\ndifferent product (research-brief-pro on the HTTP rail), not this one.\nReturns an x402 quote + payment instructions; the brief is delivered after settlement.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "depth": {
            "default": "standard",
            "description": "'quick' | 'standard' | 'deep'.",
            "type": "string"
          },
          "topic": {
            "description": "The research topic or question.",
            "type": "string"
          }
        },
        "required": [
          "topic"
        ],
        "type": "object"
      },
      "name": "research_brief"
    },
    {
      "description": "PAID (0.03 USDC). Full-quality document summarization. Returns an x402 quote +\npayment instructions; the summary is delivered after payment settles.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "max_words": {
            "default": 200,
            "description": "Target maximum length of the summary in words.",
            "type": "integer"
          },
          "text": {
            "description": "The document to summarize.",
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "summarize"
    },
    {
      "description": "FREE. A working demo of the paid `summarize` tool: returns a tiny deterministic\nextractive summary (first + most-salient sentences, capped ~280 chars) so agents can\nverify the connector end-to-end before buying. No payment, no auth required.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "text": {
            "description": "The text to summarize (any length; only a short preview is returned).",
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "summarize_demo"
    },
    {
      "description": "PAID (0.05 USDC). Combined Trust Oracle probe: aggregate bazaar-index stats\n(reachable/valid-402 counts, median latency) + a watchtower attestation for one\nURL (reachable, returns_402, latency, score). Returns an x402 quote + payment\ninstructions; the combined result is delivered after payment settles.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "url": {
            "description": "The https URL to probe (watchtower).",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "trust_check"
    }
  ]
}

What the leaf hashes

{"body":"fb51fb4bd8580559a3a5faa5ab71cadc6cf8694d3aea16ddf2671ac6ad5f558f","id":563113,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137603556476,"prev":null,"subject":"44538a97-4e71-49f7-b85d-5608fa614cae","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. 0x69cda24406bfdd494c2364120620d014950c4fd98dd7e20d14b22215375e7c95
2. 0x718bc3fbc0392cbd6586875315500689de8e04ce0bf49476f483117e4015c19f
3. 0x2b2ff7e939928801b776b72b36707465fb571fbd75a296cf6a542cb61c241f86
4. 0x3d5ed5d660b0ea2b035ba8d64f6e5e4a6a157ead6e098a6a9a8aef439c79d7ca
5. 0xf9a916b0b88373600c33aadbdfa47bf99177c7234cbc7dd462cd4503f0f8719c
6. 0xb168e5c492014587710a1c1e413728dee7775b0e8ebb7636b048c5afc7e97a0e
7. 0xd163d52936414f92b9d35c7710bfff5cefae004317f2f7821664514e8dca1524
8. 0x933591262062e4a65b6f8ac89817b99e2ab5f4f426ebe2cfb698cc5f63ad0aa2
9. 0xa60b21493435923af4effba756d5b8948c541660dc04911aadb5d45e1a741799
10. 0x8292b0c4302eab317dc9442deb7c510d6a5800a9f644e4859ca59b9b2b323e8a
11. 0xf948df558d360ef6260367a5acb11bce86c964cb5608d9fbd474976a57db8d7b
12. 0x1907258a29a881c6f59707e890e9f73f7aff1ace32101f20e208f76e9fac9a60
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4