Evidence row 523325

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "When the International Space Station will pass over a location in the next 3 days: start time (UTC), maximum elevation, duration, and whether the pass is in a good viewing window (evening/pre-dawn). Provide a city name OR latitude+longitude.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name, e.g. 'Paris', 'New York' — 550+ major cities known; takes precedence over lat/lon",
            "type": "string"
          },
          "lat": {
            "description": "Latitude in decimal degrees (-90 to 90), used with lon when no city is given",
            "maximum": 90,
            "minimum": -90,
            "type": "number"
          },
          "lon": {
            "description": "Longitude in decimal degrees (-180 to 180), used with lat when no city is given",
            "maximum": 180,
            "minimum": -180,
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "get_iss_passes"
    },
    {
      "description": "Latest rocket-launch news articles (previews and post-launch recaps) from Cosmik, optionally filtered by a search term (mission, rocket, or provider name).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 5,
            "description": "Maximum number of articles to return (1-10, default 5)",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Search term matched against article titles, e.g. 'Starship', 'Crew', 'Ariane'",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_launch_news"
    },
    {
      "description": "Live schedule of upcoming orbital rocket launches (SpaceX, NASA, Rocket Lab, ULA, Arianespace, China…) with liftoff times (UTC), pads, status and a live-tracking link. Optionally filter by provider/rocket name.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 5,
            "description": "Maximum number of launches to return (1-20, default 5)",
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "provider": {
            "description": "Case-insensitive filter matched against provider and rocket name, e.g. 'SpaceX', 'NASA', 'Rocket Lab'",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_next_launches"
    }
  ]
}

What the leaf hashes

{"body":"9c601804d70432676eff1d35f581839f84bc4c8506688eed48e0fee51ac47de0","id":523325,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793124298070032,"prev":null,"subject":"f5641511-9159-4f27-bb1e-0e6cfed9908c","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. 0x302a1ffca860d75125fca269219f8b458ac850be7eb16c1c8dca16b35daf628e
2. 0x355f96035a48f6872968b573f6f9862001766118c330b51f3f1b8a5531cbc4b7
3. 0xd220157c42ae22fa65908b6b0bb6809c769dd586d67088a4381c106558062d42
4. 0xaee6b80e9c56952da54ddab66470696e98170bd7464c0ab339935222937c12f6
5. 0x14ac8cdbdc8785df15d56d90caa94455f2f2a08c291741dcc4ddf6e10643d0e8
6. 0x42c1006b13e6bf99c704d86812e736d8b81d1d7c5694c4fd620319a830e96ac3
7. 0xa7dc98cb0b050742844e92e6a92f6cbdb0df888af4b7b83001e7e34225c6f7e4
8. 0x7b2df2193c149f7d16900fb47c2100c9410ad3163c869286ee37eb55c0cc30a6
9. 0xc022806d0df789d1d916aed6e1f0c6c524334f13d24f86e72284ce6877dc8bc1
10. 0x66aee0bbd2f9413f09127b3136f2c3f301609f82502a42d17636a7cd8d77199a
11. 0x20bfebc9be09c8d1bd071c02e953c031252540d9fc909484016645ed1412efc4
12. 0x2d9c2517fb6dcdc0ce42dd3a93f7e33064509cbed0a9132fb1209ec8f33ef0ab
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