Evidence row 567453

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Where a point-in-time record stands, by its reference (MW-K-…): awaiting payment, queued, capturing, first delivery sent, complete. Per witness: waiting, capturing, captured, failed or refused. Never returns the e-mail address, the addresses ordered or anything else about the customer.",
      "inputSchema": {
        "properties": {
          "reference": {
            "description": "The order reference, e.g. MW-K-3F9A2C1D.",
            "type": "string"
          }
        },
        "required": [
          "reference"
        ],
        "type": "object"
      },
      "name": "capture_status"
    },
    {
      "description": "Answer whether this archive observes a given domain, from which sealed day onward, which machine-readable files it requests, and at what cadence. Returns metadata only — never the contents of any file, and never an assessment of the domain or its operator. 'Not observed' is a statement about this archive, not about the domain: most of the web is not observed.",
      "inputSchema": {
        "properties": {
          "domain": {
            "description": "A domain name, for example example.eu. A pasted URL is accepted.",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "check_coverage"
    },
    {
      "description": "Create a payment link for a point-in-time record: both witnesses fetch the named addresses, take a full-page picture of each, and give each capture its own qualified electronic time-stamp. Up to twenty public addresses, all on the same domain. Before the link is created, every address is checked at no charge: a public domain name, not on the stop list, robots.txt allows our crawler, and it answers without a login; refused addresses are named with the reason. This call charges nothing. The capture starts only after a person has paid on the returned page; the record is then delivered by e-mail, and a second e-mail follows after the night's seal. Only addresses are asked for, never a purpose. Fees: https://machinewitness.eu/services",
      "inputSchema": {
        "properties": {
          "addresses": {
            "description": "Full addresses (https://…), one to twenty, all on one domain.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "email": {
            "description": "Delivery address, prefilled on the payment page. Optional; the page asks for it otherwise.",
            "type": "string"
          },
          "language": {
            "description": "Language of the payment page and the e-mails. Default en.",
            "enum": [
              "en",
              "de",
              "es",
              "fr",
              "it",
              "pl"
            ],
            "type": "string"
          },
          "timezone": {
            "description": "IANA time zone of the requester (e.g. Europe/Berlin) for the expected start time. Default Europe/Madrid.",
            "type": "string"
          }
        },
        "required": [
          "addresses"
        ],
        "type": "object"
      },
      "name": "order_capture"
    },
    {
      "description": "Create a payment link for an evidence extract: everything this archive recorded on a domain, as one verifiable document (every observed day, every file type, both witnesses, with the seals and verification instructions). One to twenty domains. A domain this archive never observed is refused by name before the link is created, because there would be nothing to deliver; use check_coverage first. This call charges nothing. After a person has paid on the returned page, a confirmation with the reference follows at once and the extract is normally delivered by e-mail within five working days. Only domains are asked for, never a purpose or a matter. Terms: https://machinewitness.eu/extract · Fees: https://machinewitness.eu/services",
      "inputSchema": {
        "properties": {
          "domains": {
            "description": "Domain names, one to twenty, e.g. example.eu.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "email": {
            "description": "Delivery address, prefilled on the payment page. Optional; the page asks for it otherwise.",
            "type": "string"
          },
          "language": {
            "description": "Language of the payment page and the e-mails. Default en.",
            "enum": [
              "en",
              "de",
              "es",
              "fr",
              "it",
              "pl"
            ],
            "type": "string"
          }
        },
        "required": [
          "domains"
        ],
        "type": "object"
      },
      "name": "order_extract"
    },
    {
      "description": "Create a payment link for the daily observation of domains, as a yearly or monthly subscription: from admission, within five working days of payment, two independent witnesses record each domain every day in full (homepage and the machine-readable files), seal each day and anchor it externally; the admission is entered in the public record. The customer pays for the measurement, not for a document: the data in hand is an evidence extract (order_extract). A domain already observed daily in the core is refused by name, because it costs nothing. On cancellation the subscription ends with the paid period and everything witnessed until then stays sealed. This call charges nothing; the subscription starts only after a person has paid on the returned page. Fees and tiers: https://machinewitness.eu/services",
      "inputSchema": {
        "properties": {
          "domains": {
            "description": "Domain names, one to 500, e.g. example.eu.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "email": {
            "description": "Address for confirmations, prefilled on the payment page. Optional.",
            "type": "string"
          },
          "interval": {
            "description": "Billing interval. Default year.",
            "enum": [
              "year",
              "month"
            ],
            "type": "string"
          },
          "language": {
            "description": "Language of the payment page and the e-mails. Default en.",
            "enum": [
              "en",
              "de",
              "es",
              "fr",
              "it",
              "pl"
            ],
            "type": "string"
          }
        },
        "required": [
          "domains"
        ],
        "type": "object"
      },
      "name": "order_observation"
    },
    {
      "description": "Suggest that a domain be observed. This is a request, not an instruction: admission follows documented criteria (a connection to the European Union, publicly served machine-readable files) and is decided by the operator. The answer is always 'received' with 'guarantee: none' — it creates no obligation to observe the domain, no timeline, and no assurance that it will be added. A reason is required and is read by a person.",
      "inputSchema": {
        "properties": {
          "domain": {
            "description": "The domain to suggest.",
            "type": "string"
          },
          "email": {
            "description": "Reply address. Used to answer the suggestion and nothing else.",
            "type": "string"
          },
          "reason": {
            "description": "Why this domain should be observed. Written for a human reader; a sentence or two is enough.",
            "type": "string"
          }
        },
        "required": [
          "domain",
          "email",
          "reason"
        ],
        "type": "object"
      },
      "name": "suggest_domain"
    }
  ]
}

What the leaf hashes

{"body":"ad1164fdf888ff1c8332b44d2b8a281e41184fc7b66d3c66e8fd99e4230a8ce7","id":567453,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138740315859,"prev":null,"subject":"8e7d3bf3-13ba-429b-85db-6c027d3cbaa8","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. 0xe077eb5a10955b8674ef720caa8ab6ce0e4c274643d6e05dc569ed8fc60c75b2
2. 0x0fb8a939f5c10355f13ef7f26062ca26fa81cdb5557065c2b013dc076db9c8c2
3. 0x83e3e3475c4f3825bfdce89c37100fdf409593a7dd40c037ccde8679d6d20cfd
4. 0xe01d09b22f4bd801ec169df2ac17b4a62c3201d2b07dcc856a5959da530421ef
5. 0x84809f1f2be09977264f674e607e38a577ff8df6c6813386ff4023c11a9ed011
6. 0x73ef68f1affd8465d68c5664a3a5b7e92c77820725ec352f794727ac77df40fb
7. 0x5f15f6ef706e4bb9ebf7aac2a706daacd6d2b5e48f7ba11d87339e69f4669a2d
8. 0x808e5a3f5f1db96a44de2bfa73496fff87b33a9722adac3ac95ecb4881eb8824
9. 0x0056c5452b49ca8bc04faba6171b7da48cca86d805064ffe303b3b407e21998f
10. 0x4ff8cd873a6525b7fd245edfbfa207e515bf9fc192259f1978e27252732bb31e
11. 0xd0d909352f9e85f35de7c6378041c31c709c848a1c4fc17002cbf5d0b312d061
12. 0xa7bf7b9cc7b39dca708cf0cc5d77059435823b975a1b485d07bbb69188527cb0
13. 0x979156f4f0a1ab811055c0a4d2b45bfa74d4bef619c176540454ee8d15e5bebc
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4