Evidence row 1300721

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "List the cheapest Chinese AI models from NovAI's live price feed, ranked by a comparable cost unit (text: 1M input + 200K output; video: 5-second clip; image: per image). For a batch cost estimate at list price, see https://aiapi-pro.com/video-cost-calculator (video) and https://aiapi-pro.com/image-cost-calculator (images).",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "Video, Image, Chat / LLM, Audio, 3D, Embedding",
            "type": "string"
          },
          "limit": {
            "description": "max rows (default 10, max 50)",
            "type": "integer"
          },
          "max_price": {
            "description": "only models whose comparable cost is at or below this USD figure",
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "cheapest_models"
    },
    {
      "description": "List the model categories available in NovAI's price feed.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Look up the NovAI list price of a model by name fragment (seedance, kimi, glm, qwen...). Per-minute video costs, every row sourced: https://aiapi-pro.com/video-cost-2026.",
      "inputSchema": {
        "properties": {
          "model": {
            "type": "string"
          }
        },
        "required": [
          "model"
        ],
        "type": "object"
      },
      "name": "model_price"
    }
  ]
}

What the leaf hashes

{"body":"16c317ba5aa82a6904b7dec6ede825fdabc46bd81fca49ac653c7b092de6098a","id":1300721,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793405094954189,"prev":294864,"subject":"82972214-ef11-44a5-be02-2c42b3a5aab2","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x3607020f7a72e90a12d27acdd8bad3a4afba918075ff1be82c51b738a46c53ed
2. 0x23c1b3fdae89eb478dd5b97949a966bb0001d8dd8bf648467ae28b6fc7e7d9c2
3. 0x99546666957713e832e2f96dd2b11d18dc571996dc372fe657c6618117f8c12c
4. 0xcf6cbe8f1d239fa43b4ef732a3097bb90420ad4be49b14f7759cf78ef51e04f0
5. 0x5f1943677f27ce920cc7fbfbd9d18ea8d9b8a55d33a32133cd8acfb219a33670
6. 0xc900a052324e80c62f2a71f04145ddc51f3e4cf5e699b068453375683d3c6385
7. 0x8c296696d062005dbd6b37a7772917b980d3a566b35058a6f46c7806c5546442
8. 0xaba1da327bb8f4d4a897693349823a2c34876f867721acdaae231e910eec1992
9. 0x08dabb3b9e073ca86796a497254ad735f6a757569908ed78d2bb827274386834
10. 0xbbb0b4759f494ffbe8765470eaa3a0ed848bd77f3cfb30a3828e517a13f1d311
11. 0xf5b19727fc0dd181805f93d5e96a09f0af7d8a791ac5538d2fe4b4fd33999818
12. 0xc5ddfdbc1993aa43d59a265b5f7fa85d84bbda4370ef9e220579e2a054b8230b
13. 0x2cbd8ba738ddea6efbe473c9611c3f1a8a83deb190d22414b516f5178301062d
14. 0xef0d1fd5544fb725719e2c1f829863138c2a1d7485e7f69d488a1dddb98843f6
15. 0xc712f139a437e96ecb98a6d83c47c29921720c39ba2e7e94f4973de043fb567c
16. 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0