Evidence row 567505

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Details for one EU member state: wallet, status, sources (official or not), dated history and the\n        state of its relying party register. `code` is the EU country code (DE, FR, AT, EL for Greece …) or ISO code.",
      "inputSchema": {
        "properties": {
          "code": {
            "title": "Code",
            "type": "string"
          },
          "lang": {
            "default": "en",
            "enum": [
              "de",
              "en"
            ],
            "title": "Lang",
            "type": "string"
          }
        },
        "required": [
          "code"
        ],
        "title": "get_countryArguments",
        "type": "object"
      },
      "name": "get_country"
    },
    {
      "description": "Key dates of the EUDI Wallet rollout with legal source: public relying party registers, launch of the\n        German wallet d-you, mandatory acceptance for banks, energy, telecoms, very large platforms and others.\n        status: confirmed (in the regulation), derived (calculated from it), expected (announced, not binding).",
      "inputSchema": {
        "properties": {
          "lang": {
            "default": "en",
            "enum": [
              "de",
              "en"
            ],
            "title": "Lang",
            "type": "string"
          }
        },
        "title": "get_deadlinesArguments",
        "type": "object"
      },
      "name": "get_deadlines"
    },
    {
      "description": "Eudigo's weekly news on the EUDI Wallet, newest first: one overview for Germany (d-you, legislation,\n        authorities) and one for the EU (Commission and member states). Each item has a date, summary, sources\n        (marked official or not) and the Eudigo URL. `weeks` limits to the latest n weekly overviews (1-52).",
      "inputSchema": {
        "properties": {
          "lang": {
            "default": "en",
            "enum": [
              "de",
              "en"
            ],
            "title": "Lang",
            "type": "string"
          },
          "region": {
            "anyOf": [
              {
                "enum": [
                  "DE",
                  "EU"
                ],
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "title": "Region"
          },
          "weeks": {
            "default": 4,
            "title": "Weeks",
            "type": "integer"
          }
        },
        "title": "get_newsArguments",
        "type": "object"
      },
      "name": "get_news"
    },
    {
      "description": "Daily availability check of the national registers of relying parties (public API in every member state\n        from 24 December 2026 under Implementing Regulation (EU) 2025/848): status per country, last check, HTTP\n        status, number of records, 7-day uptime. Before the deadline all registers are 'expected'.",
      "inputSchema": {
        "properties": {},
        "title": "get_registersArguments",
        "type": "object"
      },
      "name": "get_registers"
    },
    {
      "description": "Standards behind the EUDI Wallet (OpenID4VCI, OpenID4VP, HAIP, SD-JWT VC, ISO/IEC 18013-5/-7 mdoc,\n        Token Status List, ETSI profiles, ARF …): latest version at the publisher, the version the implementing\n        regulations refer to, and the result of Eudigo's daily version check. Without `name` all standards are\n        listed briefly; with `name` (id or abbreviation, e.g. 'openid4vp', 'HAIP') one standard in detail.",
      "inputSchema": {
        "properties": {
          "lang": {
            "default": "en",
            "enum": [
              "de",
              "en"
            ],
            "title": "Lang",
            "type": "string"
          },
          "name": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "title": "Name"
          }
        },
        "title": "get_standardArguments",
        "type": "object"
      },
      "name": "get_standard"
    },
    {
      "description": "Overview of the EUDI Wallet in all 27 EU member states: wallet name, status and short note.\n\n        Status meaning: certified (listed as certified EUDI Wallet), live (precursor app with digital credentials\n        in operation), pilot (tests with real users or public test version), upgrade (existing government app\n        officially set to become the EUDI Wallet), announced (project known, no public app), unclear.\n        Optionally filter by status. Use get_country for sources and history of one country.\n        ",
      "inputSchema": {
        "properties": {
          "lang": {
            "default": "en",
            "enum": [
              "de",
              "en"
            ],
            "title": "Lang",
            "type": "string"
          },
          "status": {
            "anyOf": [
              {
                "enum": [
                  "certified",
                  "live",
                  "pilot",
                  "upgrade",
                  "announced",
                  "unclear"
                ],
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "title": "Status"
          }
        },
        "title": "list_countriesArguments",
        "type": "object"
      },
      "name": "list_countries"
    },
    {
      "description": "Definitions of EUDI Wallet and eIDAS terms (German/English) with reference to the regulation or\n        specification, e.g. 'PID', 'relying party', 'access certificate', 'Zugangszertifikat', 'WUA'.",
      "inputSchema": {
        "properties": {
          "lang": {
            "default": "en",
            "enum": [
              "de",
              "en"
            ],
            "title": "Lang",
            "type": "string"
          },
          "query": {
            "title": "Query",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "title": "lookup_termArguments",
        "type": "object"
      },
      "name": "lookup_term"
    },
    {
      "description": "Search Eudigo's reviewed articles (German and English) on the EUDI Wallet and d-you: for citizens\n        (setup, security, where to use it), businesses (mandatory acceptance, registration as relying party, access\n        certificates, KYC) and developers. Returns title, summary, FAQ and URL – link the URL as source.",
      "inputSchema": {
        "properties": {
          "lang": {
            "anyOf": [
              {
                "enum": [
                  "de",
                  "en"
                ],
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "title": "Lang"
          },
          "query": {
            "title": "Query",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "title": "search_articlesArguments",
        "type": "object"
      },
      "name": "search_articles"
    }
  ]
}

What the leaf hashes

{"body":"28db70ba06924c30df2e60fcb1360442c47189ba489e3d264696481a49a91867","id":567505,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138750349193,"prev":null,"subject":"ba372d8c-e064-404b-a98a-ac808151cd2b","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. 0x31a2c2ed0ede88e59cb559ea72862a9bcc35b442fa9ce715aa1b913772c1e0c0
2. 0x2648b2b454d479344d60197ae3e266be9eb56bc25e545a0230927f2545e69cb5
3. 0x652b9a99ddd8266fe80b68c6a827529b98005e83cc6a9a773ce3453c5af975f1
4. 0x28c49fede1453f6b0cb8dd81e78410f1dee68e89efc6de506778a4eabd362d98
5. 0xb9708c5aa67347f7353f62b66dc42c94ef179916fb3722c85a7d4b62045c09db
6. 0x8fac2342fe57b387025e856fa197ebd6709ef02f3cbce680eeee00e0d6bde1cc
7. 0xf7390af835c87e84ba536828c6c61dc9ecccde42b2e2b8b332100d29734cca16
8. 0x38499a92a5bb98a33777b0b2ad76fb541372eb0609c5924ab3b16a359f3f6b84
9. 0x77b2036bacbef08c19358f16537b414da393860ea944db217cdcdc31f4f593ba
10. 0xa6f69fe19225a52653336df3271da577af156bc733fdc17153fee977442a3655
11. 0x79330365613fdfbe8e674b3cdf2ba31a58f362f89c6748d0e9fa16c1a967d01e
12. 0xc1b7c34b53a9fe9ca442a6957dc84259e1950987b7271aef733cbdcf0322901e
13. 0x2a25cd9926d8f2ef4726fd2a80f77b1ca202b6c3ca56aeb2f520555c93efd434
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4