Evidence row 566491

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Fetch one public web page and return its readable content as compact Markdown (links and tables kept) plus title, meta description, language, canonical URL, OpenGraph/Twitter tags, JSON-LD structured data (products, articles, organisations, events), mailto emails and tel phone numbers. Use to read or summarise a page or pull its schema.org data. No JavaScript rendering.",
      "inputSchema": {
        "properties": {
          "include_markdown": {
            "default": true,
            "type": "boolean"
          },
          "max_chars": {
            "default": 8000,
            "description": "Markdown length cap",
            "maximum": 20000,
            "minimum": 500,
            "type": "integer"
          },
          "url": {
            "description": "Public http(s) URL",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "extract_page"
    }
  ]
}

What the leaf hashes

{"body":"1a5945b55d9a4adeab19970f3c1706aee9e356105dd477c662f5cbe3d72c0d79","id":566491,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138456580074,"prev":null,"subject":"1135c3dc-68be-4d55-9dbc-f5c91466df67","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. 0x0f0bc947bd836e9cee04fa586d6717501d5aa4b6448df1f77cbb904be617701e
2. 0xe14211348a6e53e83c519f422ccc0945b169108b10e0e8018a85914d315262d5
3. 0xe170e29a68d836956973f7d397c6d760368ab6084803fe2dc81babf9d55f40d1
4. 0x9cbb93d46061526436ea37e00803c56fca48f208dda1f4002a9caedaa3ebfc7a
5. 0x1e49935aa32676b42eb1faba847cc52366ac055b746e8bb1a17f657ff1249b25
6. 0xde78571f09ff06314b2b96fdf1bb99548d15fe38b16635fa745614e3d81187e0
7. 0x007ac0531ea7b6f21583d4065ba026d4168eba2612acaee4539d4f94c8b80f45
8. 0x9075bf917edb166fc9d6fc05ccee5da1b33dc52f9dde4c833ba7d954d169c3c2
9. 0x3be92d769301d52a806024dfe3d96f9014acc04d25ff8567e506cb37812a8041
10. 0x3324226ef6439ba555d292fabbb2b6297d76704172ae3e5401de83f038382a74
11. 0xeaa85500d1d950bbc5368f8c449457f4c36bb01a9a460f0c2aedbe49bdc0e2a3
12. 0x7cd06df307fe3d7d57464d35c7dee68ec2e0c9035898fd7f919c08ed5fd0a5fb
13. 0xa5d3d95b495ae2191612e64fe151fe065497e5ecb73bb111e1fabb6b3628f3de
14. 0x3e0ec8a2a8a954695a9b53a4a48a7656d7e3fd6a8795c73b49e2ef05b201ec3f
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4