Evidence row 564269

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Classify a product description into candidate HS/HTS10 tariff codes. Deterministic BM25 retrieval over the USITC HTS schedule with heading-agreement boosting, returning the full parent-chain description, general duty rate, and a score-gap confidence per candidate. Not a customs ruling — always includes a disclaimer to verify with a licensed broker.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "description": {
            "maxLength": 500,
            "minLength": 1,
            "type": "string"
          },
          "options": {
            "additionalProperties": false,
            "properties": {
              "origin_hint": {
                "maxLength": 100,
                "type": "string"
              },
              "top_k": {
                "default": 3,
                "maximum": 10,
                "minimum": 1,
                "type": "integer"
              }
            },
            "type": "object"
          }
        },
        "required": [
          "description"
        ],
        "type": "object"
      },
      "name": "classify"
    },
    {
      "description": "Classify up to 100 product descriptions in one paid call — one payment covers the whole batch (per-item discount vs calling `classify` N times). Deterministic BM25 retrieval over the USITC HTS schedule, same as `classify`. Not a customs ruling — always includes a disclaimer to verify with a licensed broker.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "items": {
            "items": {
              "maxLength": 500,
              "minLength": 1,
              "type": "string"
            },
            "maxItems": 100,
            "minItems": 1,
            "type": "array"
          },
          "options": {
            "additionalProperties": false,
            "properties": {
              "origin_hint": {
                "maxLength": 100,
                "type": "string"
              },
              "top_k": {
                "default": 3,
                "maximum": 10,
                "minimum": 1,
                "type": "integer"
              }
            },
            "type": "object"
          }
        },
        "required": [
          "items"
        ],
        "type": "object"
      },
      "name": "classify_bulk"
    }
  ]
}

What the leaf hashes

{"body":"11aab08b06c2d01c7f3f286ed22b2df2f4468817bb267a78fcc10aace242b4ee","id":564269,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137787256422,"prev":null,"subject":"0956b311-0543-4429-ba2b-72a17bfe155a","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. 0xe404cd0f0897ffbd14b17072fb8bdeac3449638b1146af621b977aefda39565d
2. 0xd3faf20b089e5c64be6c3b4c1bbd5629951b129d7f096420f82c643af63309ea
3. 0xe4477fd7d12a267b37936c6e591c4d73b81c9a3e4afcbb80ccb960680dabe1ab
4. 0x46f559a9c05fb2e60693f4e44c1addc42eadcffb3ec41ab6655d593260f39397
5. 0x4e93650d581f6073e23fffb9c2a91de1f6e42278af74be0baa5ce2fd36c1c965
6. 0xcf425ca32c6fa00cb5b916caec98df63e73ce95a4b078227ebb491d1a229d390
7. 0x57a9f5f9ef76fda5f15506c17e58659230ca33c51d8505c82ec3064f2cb813d1
8. 0xdcf5a580373efacb7b92dcbb66a01b8c6196c54a0f38e48b392d032096bfda27
9. 0x02dbd3b6b750c0e302f5d258078c4151b32606225b6e6112a4d1d4276072996f
10. 0xcc19c30edda43ff1ebcc1026e0d7a666807e4babbafb9a15e178b7bd8bf27788
11. 0xb44c2942ddb3464f2b2c770afdcadc509526756e35fc6b54cbe05f81f7639529
12. 0x46ff3840378aba3ab5311ff9a58e7269ceff45cbef540c18a2bad9af3d6127bb
13. 0xd98ea318b514153f74841c90aff18a807e61314ec99610bf3bdbb7219da01cbd
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4