Evidence row 572028

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Top-N rows of one leaderboard (rank, stars, forks, issues, language, description). Refreshes every ~6 hours; generatedAt is the batch stamp (fetch once per sync cycle).",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "language": {
            "description": "optional source-language facet; supported only for overall / weekly / monthly",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "slug": {
            "description": "one of the 10 board slugs",
            "enum": [
              "overall",
              "weekly",
              "monthly",
              "annual",
              "rising",
              "dark",
              "overlooked",
              "controversial",
              "forks",
              "milestone"
            ],
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_board"
    },
    {
      "description": "Repositories that genuinely moved rank on a board within the last 24 hours, from our own snapshot series (the same data as the on-site movers strip). Positive climb = went up.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 10,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "slug": {
            "enum": [
              "overall",
              "weekly",
              "monthly",
              "annual",
              "rising",
              "dark",
              "overlooked",
              "controversial",
              "forks",
              "milestone"
            ],
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_board_movers"
    },
    {
      "description": "Library record for one repository: stars, forks, description in up to 16 UI languages (keys are locale codes), current overall-board rank if listed, pushedAt, and asOf freshness stamps. Served from our own dataset (no live GitHub API call); repos outside the library return not-in-library.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "full": {
            "description": "owner/name, e.g. vercel/next.js",
            "type": "string"
          },
          "lg": {
            "description": "optional: also return descText in this UI language",
            "enum": [
              "en",
              "zh",
              "zh-TW",
              "ja",
              "ko",
              "de",
              "fr",
              "es",
              "pt",
              "it",
              "ru",
              "uk",
              "pl",
              "tr",
              "vi",
              "id"
            ],
            "type": "string"
          }
        },
        "required": [
          "full"
        ],
        "type": "object"
      },
      "name": "get_repo"
    },
    {
      "description": "Time series of one repository on one board (default overall): rank + star points at our sync cadence (~6h) from our own snapshot series — denser than the daily archives others publish. Empty result means the repo was not tracked in the window.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "board": {
            "default": "overall",
            "enum": [
              "overall",
              "weekly",
              "monthly",
              "annual",
              "rising",
              "dark",
              "overlooked",
              "controversial",
              "forks",
              "milestone"
            ],
            "type": "string"
          },
          "days": {
            "default": 7,
            "maximum": 30,
            "minimum": 1,
            "type": "integer"
          },
          "full": {
            "description": "owner/name",
            "type": "string"
          }
        },
        "required": [
          "full"
        ],
        "type": "object"
      },
      "name": "get_repo_history"
    },
    {
      "description": "The 10 leaderboards on GitHub Hot Board: what each ranks, its canonical page URL and its JSON API endpoint.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_boards"
    },
    {
      "description": "Search repositories tracked by this site, by owner/name (exact wins) or by keyword over descriptions (16 languages). Library-only: repos never listed on a board are not here. No live GitHub calls.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 10,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "description": "owner/name fragment or keyword",
            "maxLength": 80,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "search_library"
    }
  ]
}

What the leaf hashes

{"body":"fb4e9bcdc85802812000859a72d90153a648091f05e7d33517e8ce5181d4f99c","id":572028,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140568347177,"prev":null,"subject":"63edd8ab-0bb4-430b-9949-717268de5d56","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. 0x03419d8683095c43e969dc6a7d019119635247e6901b50373eaeb03f75516c22
2. 0x742660a2418b2ada7364564e5dc3d3b7320f0b198e77aa0daf2c5d4ac5bc972e
3. 0x856d5e049b20c5d0df0df739765901de418a2bcb2aa9b55b1ada44c4ab5e5a7f
4. 0x566a564ae4c951acce82428eef7bf70336ba72e21649a2adf7b905d63a070717
5. 0x45149b4bc8ab9b4098783e599dfb6c378a61db17e29673bb53753332026b8529
6. 0xdccc9adaf68f81005315b0c712f13f7d318de9bda6aedf7ca1230727877a2624
7. 0xf5f38a7aae38c5c19c3b16f2045436d09dcf52ab0ee44be9be86e40c69694f1f
8. 0xcc77cf353a175b01096e8d800fcd3d6953273841f89e628143ce3dd503fec7a2
9. 0x55030eee0b91adeccf98ea4874d25d01be75609ed078e1c72581adbaa99fac0b
10. 0xab20bc9e40d823264419ad3372c6b90c6a4489a674bed50998a167e5db0218fd
11. 0xb428d1c0ffbb1f2e74ff7e62f152f655db4bd1935bbdcbefa7286b1094075929
12. 0x05916cc6b98491a0d541e4ecca3d0132fa255184243406b5a8a52bb1b6b63bd0
13. 0x5b34b9f89512a83faa4bfecec322037670cc1af58e6e94a86fe88934434d7ddf
14. 0x29e12cb67839430fa64ab8bd05d52bab606f2978d9e6d2fb094fece9438fd4de
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4