Evidence row 291017

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Transcribe an audio file to clean text (Arabic or English).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "audio_base64": {
            "description": "Base64-encoded audio file.",
            "type": "string"
          },
          "mime_type": {
            "description": "Audio MIME type, e.g. audio/webm.",
            "type": "string"
          }
        },
        "required": [
          "audio_base64"
        ],
        "type": "object"
      },
      "name": "audio_transcribe"
    },
    {
      "description": "Extract structured fields from an Arabic document image or PDF (receipts, invoices, IDs).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "document_base64": {
            "description": "Base64-encoded document image or PDF.",
            "type": "string"
          },
          "mime_type": {
            "description": "Document MIME type, e.g. image/jpeg.",
            "type": "string"
          }
        },
        "required": [
          "document_base64"
        ],
        "type": "object"
      },
      "name": "doc_extract"
    },
    {
      "description": "Text metrics for Arabic (or any) text: counts, language mix, sentence/word stats, reading time.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "text": {
            "description": "The text to measure.",
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "text_metrics"
    },
    {
      "description": "Normalize Arabic text: strip tashkeel/tatweel, fold alef/ya/ta-marbuta, unify digits, remove bidi control characters, collapse whitespace.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "mode": {
            "description": "light = whitespace/digits/bidi cleanup; search = + tashkeel removal and letter folding; index = + punctuation stripped.",
            "enum": [
              "light",
              "search",
              "index"
            ],
            "type": "string"
          },
          "text": {
            "description": "The Arabic text to normalize.",
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "text_normalize"
    }
  ]
}

What the leaf hashes

{"body":"e478c09b661cef24a1469e43dd1e839775155f7bfd4bc1226e6bf08cb1b8c100","id":291017,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793047797056608,"prev":null,"subject":"ed4eabb8-410b-456a-b0c1-fa5e004458d4","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. 0x75609d83b11973803472824dcd588b65d3c321b530d99789aafc911aec43fc04
2. 0x899a1eb48671b40963e460878922b9c573773285910fdd19ca8e4ff16d0a54d7
3. 0xe5b21cc4208f59ab005349723024671e0345468f76fab04b62b3055e661f0a5e
4. 0xb470f1a61a74e342d9e012a6d69d2a787ec35cc928c28dc288593b8cb3bf5128
5. 0x1c935000d1aca77422df3d23a0c0c1217c1b953a8fbd3a813c768d19cdc7cad7
6. 0x585c5ffbdd273d63487e2ca1a6cdd39ec37116d75d5becd17b8238c46be45e6c
7. 0xdae80adf1613d5a2d213d83e380df6799cc91c5402026d6ec38c769b7cea556d
8. 0x13df8e0fa9608d76ba3cbe9ee94631b5e1863b2716a80148b473eeb6f52771da
9. 0xd602fca7227e99e8893cc88a696f76e9b6f6198d893af0965dac88bbec212216
10. 0xa5cab88755e99fd7d4830115b4e412f63a460a19c270832f53f6e32be125c3da
11. 0xff8296d2db87846f2b3d9a7a4926ee8ea17587a9a2960c155a4f0e1d36206dd8
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae