Evidence row 531989

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Read a public web page or document and return clean, LLM-ready markdown. Pricing: $0.001 (1 sat) per read, or $0.003 (3 sats) when scan is true. The free tier applies first, shared with the HTTP API and all MCP tools.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "max_tokens": {
            "description": "Optional output token budget.",
            "maximum": 1000000,
            "minimum": 1,
            "type": "integer"
          },
          "scan": {
            "description": "Also scan the converted document for prompt-injection risk.",
            "type": "boolean"
          },
          "url": {
            "description": "Public http(s) URL of the document to read.",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "read_url"
    },
    {
      "description": "Scan text for prompt-injection risk and return a risk level, score, and signals. Pricing: $0.002 (2 sats) per scan. The free tier applies first, shared with the HTTP API and all MCP tools.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "text": {
            "description": "Text to scan for prompt-injection risk.",
            "maxLength": 200000,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "scan_text"
    }
  ]
}

What the leaf hashes

{"body":"6f17d6a69a7e622e0d69c66fb4a33d139bcb885f31ff10c75bf2a0a6227b0cac","id":531989,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793126870535608,"prev":null,"subject":"c281e114-6a4e-4591-9f6d-afcd97c453df","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. 0xf2d34581c27e96706d6569d508f8bc0d8bca5cd3a182eaf795c59ba4287ae178
2. 0x7720e8d8c8320d045207d848ceffef4b4a80f8489d57208303048f6a86a8db57
3. 0x442dacbb0901f69c61a03b001ffc9650f835e8049ae49e2a4e6a931a460b598c
4. 0xbf7f462eb4ffd9b51b57d3770fd9b8459b1485a38d2bb75d3f31805aea8d852a
5. 0x91c8bf36708ff93d8f03bb67307d5fb45aeba4c0845dba680a1833c9e5784be4
6. 0xb4112d45be53701fb58aff8863aebbabdd4b587ddab6b920a255ea8370416c11
7. 0x5f84965060ae3d5d5ca8623b6b75df395a59492efa10bcf08bce097c57bf8775
8. 0x063176049f1e17689f01df59370356742a6936704c561734445d24f66a9d1c1b
9. 0x2567febb2f7c2e15b8829ed14f89359493aafee67a36dd4be1834dc835bb43c2
10. 0x7a5eee890426b6641cf11b3104bdf050668453e657cb972314d327e9437f89b1
11. 0x28e43e19e4365cf2efadc5fbbf1bd505feed75b6f224b5173c306232c3944763
12. 0xc76e7a2a7d72384a3306a63b271737f83983bf378cba5d40efe61cfc57eb7d40
13. 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4