Evidence row 290817

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Resolve an exact npm package version (latest when omitted) and read eligible loading evidence across pinned Node.js, Bun and Deno. Never starts a scan. Missing evidence is not failure.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "name": {
            "maxLength": 214,
            "minLength": 1,
            "type": "string"
          },
          "version": {
            "maxLength": 256,
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "check_package"
    },
    {
      "description": "Read a retained report by UUID with runtime pins, coverage, failures, optional peers and current eligibility. Historical reports remain readable. Never starts a scan.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "id": {
            "format": "uuid",
            "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_report"
    }
  ]
}

What the leaf hashes

{"body":"86b8d563929e35fb564c6a578070d61c863d61b576907104dd52ee73412f8453","id":290817,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793047566501730,"prev":null,"subject":"5e794705-9a35-4e2a-a981-aacb09bd7637","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x5a87e996a747e5f91eab77ad0a4ed1f18ce7f9f431075630c5c6fb8183fdd292
2. 0x49587cceac123c54de9c5a58c218ebd24b5d091c049b602892b969324b632964
3. 0x84cf258ca71146c62396d43e3e4e3c2eaa1c6f17c6d1b7757899dbcf763b2fcd
4. 0x78829f51eb1eb9983fbbabfe54fdce66021c590093b194d9db2feaa13ae47784
5. 0x28ddad4f93c9e044566707d8a0884eb077114d767c22fff5138266a2ea2fb8ec
6. 0xdafe53bbde59120080cabc04370f130cd2e4c850bfe81ec9d6ea30f008c2ed9e
7. 0xb477815b3059d1cf528efd917a494c6cba924e258190cca1bbdfc5ddbbeaceff
8. 0xafce156574b7d3f6e34ad5f15b294a0203597b29e89a7638d11dcb355bcba992
9. 0xb15202d1c1778091104ee26b81c0e098e095455eb9e6476bd094067a45d11d26
10. 0x1622116357fa2542142143deeb8538ad6f5b0f254675b718611465e74e2937f1
11. 0x31cff173ca81a1fa9b4d9989ccba135fa83af9284e85748cedd858f7cc6cb7c0
12. 0xc4c7772b121e7eab8b40f10646f850453150d76d672e4926bf2534db20273157
13. 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae