Evidence row 569190

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Full briefing markdown + metadata for one edition. ``slug`` is the YYYY-MM-DD edition date from list_digests; omitting it returns the LATEST edition. The payload also carries ``export_html_url`` and ``export_pdf_url`` — pregenerated offline downloads of the edition ready to fetch. Pass ``region`` (the regional pilot, same as the site's ?region=) for a region's view: a generated per-region edition when one exists, else the master filtered to that region; ``regions`` in the payload lists what the edition offers.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lang": {
            "description": "Localized briefing in any supported language; omit for English",
            "enum": [
              "es",
              "zh",
              "hi",
              "fr",
              "ar",
              "pt",
              "ja"
            ],
            "type": "string"
          },
          "region": {
            "description": "Regional view of the briefing (na / emea / apac / latam); omit for the global edition",
            "enum": [
              "na",
              "emea",
              "apac",
              "latam"
            ],
            "type": "string"
          },
          "slug": {
            "description": "YYYY-MM-DD edition date (from list_digests); omit for the latest",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "get_digest"
    },
    {
      "description": "One episode's title, show, summary, and full transcript. Scoped to episodes referenced by a published digest. Pass ``digest`` when an episode spans more than one week. Pass ``lang`` (a supported language code) for the episode's translated title, summary, and transcript when the translations exist — ``lang`` in the payload echoes what was actually served ('' = English original).",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "digest": {
            "description": "Optional YYYY-MM-DD edition date to disambiguate an episode that spans weeks",
            "type": "string"
          },
          "eid": {
            "description": "Episode id (from list_digest_episodes)",
            "type": "string"
          },
          "lang": {
            "description": "Localized title + summary + transcript in any supported language; omit for English",
            "enum": [
              "es",
              "zh",
              "hi",
              "fr",
              "ar",
              "pt",
              "ja"
            ],
            "type": "string"
          }
        },
        "required": [
          "eid"
        ],
        "type": "object"
      },
      "name": "get_episode"
    },
    {
      "description": "The episodes a given edition references (title + show + published date + episode ids) — the cheapest way to map a week. Omitting ``slug`` returns the latest edition's episodes. Pass ``region`` for a region's reading list (the regional pilot, same as the site's ?region=); the payload's ``regions`` lists what the edition offers.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lang": {
            "description": "Localized row titles in any supported language when the translations exist; omit for English",
            "enum": [
              "es",
              "zh",
              "hi",
              "fr",
              "ar",
              "pt",
              "ja"
            ],
            "type": "string"
          },
          "region": {
            "description": "Regional reading list (na / emea / apac / latam); omit for the global edition",
            "enum": [
              "na",
              "emea",
              "apac",
              "latam"
            ],
            "type": "string"
          },
          "slug": {
            "description": "YYYY-MM-DD edition date (from list_digests); omit for the latest",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "list_digest_episodes"
    },
    {
      "description": "Newest-first list of every published energypod.io edition (weekly energy-industry digests): slug (YYYY-MM-DD), week label, and episode count. Call this FIRST — the first entry is the latest week, and its slug feeds get_digest / list_digest_episodes.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "list_digests"
    },
    {
      "description": "Typo-tolerant search across digests, episodes, people, companies, and channels (same ranking + excerpts as the site's /search). Use for ad-hoc discovery when you don't know which edition or episode id you need.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "q": {
            "description": "Search text (≥2 chars)",
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "search"
    }
  ]
}

What the leaf hashes

{"body":"52c91b752d0ee5376976298ac500abc336d7b69328c768fd7ba2db1fde02af1a","id":569190,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139252881643,"prev":null,"subject":"a601c71c-4ceb-4342-8456-b80b21215cfd","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. 0x3e6450934306d0209536a9e01b0ca27fc436534e064c91612fb60bb470f1a9d8
2. 0xd8d34397c6989bd1b3ea39c75b92f4fb2cadb37662e9f87e70752c8ab96410bf
3. 0x4d714f29bb6bc0c15819dee84372a2aa82f68b49322d206137298977e9185500
4. 0xd7e29946a2e43d784a7fa226f60a974a6ccecd60701eeadbbfc225948938c7dd
5. 0x962ef40baeed216bec71848afeeea45c5e7750002fd2b86048ee8e978e247d66
6. 0x609e219e1c39872f0cc3ad9a87d69e79e64bc58a1daaa35c806265dd242c1505
7. 0x64f7c6e0b2e93cd16247bf5eca5cf4736164cf7d1fb03437e0ac3bf5656ebcff
8. 0x6ccbe1df74f5681ea53602c4329a50239f228d33c9309573ef0747e2da22ef3b
9. 0xeb6bccec129fabcf92a345ed5ed11fbc2a1e3460e8611f5112d2e1b07564f8fc
10. 0x140f68004118e621516c8881f174433f84b4a195d112beb5515065917c26b37d
11. 0x72a9eea56fa8fe6147ec462fca13ccc12c36b4a569355901f77cd04c8ab372e7
12. 0x139a61fc1533aad2dd83b82b2ec2330ee3422710b28d63ce7ff509ed7d7bc93e
13. 0xe097a5c0640b3c074fef1c9f5fe91898965687ad755f1c27c31462a60e313f0a
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4