Evidence row 409273

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.arysphere.com/v1/ventures/x402_q_verdict_v1/deepseek_v3_2_chat"
    ]
  ],
  "name": "Base LLM Chat",
  "owner_address": "0x693e82a3745ec21c96aa0010e0a1e5171c9cbd39",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x693e82a3745Ec21C96aA0010e0A1e5171C9cbD39",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:137",
        "payTo": "0x693e82a3745Ec21C96aA0010e0A1e5171C9cbD39",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:42161",
        "payTo": "0x693e82a3745Ec21C96aA0010e0A1e5171C9cbD39",
        "scheme": "exact"
      }
    ],
    "description": "LLM chat completion: send messages and max_tokens, get the reply. Single-turn DeepSeek V3.2 chat completion for agents, paid per call in USDC on Base. Returns the model's text reply to the prompt. Returns: an OpenAI-style chat completion from the model the service is named for (DeepSeek-V4-Flash-0731, Qwen3-32B or Llama-3.1-8B-Instruct): POST {messages: [{role, content}], max_tokens <= 1024}; returns the assistant message, the model, and its token usage. Messages up to 16,000 characters in total",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "max_tokens": 32,
              "messages": [
                {
                  "content": "Say hello in five words.",
                  "role": "user"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "max_tokens": {
                      "maximum": 1024,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "messages": {
                      "items": {
                        "properties": {
                          "content": {
                            "type": "string"
                          },
                          "role": {
                            "enum": [
                              "system",
                              "user",
                              "assistant"
                            ]
                          }
                        },
                        "required": [
                          "role",
                          "content"
                        ],
                        "type": "object"
                      },
                      "maxItems": 32,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "messages"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T19:09:45.888Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T19:09:45.032Z"
    },
    "resource": "https://api.arysphere.com/v1/ventures/x402_q_verdict_v1/deepseek_v3_2_chat",
    "serviceName": "Base LLM Chat",
    "tags": [
      "llm",
      "chat",
      "base"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "LLM chat completion: send messages and max_tokens, get the reply. Single-turn DeepSeek V3.2 chat completion for agents, paid per call in USDC on Base. Returns the model's text reply to the prompt. Returns: an OpenAI-style chat completion from the model the service is named for (DeepSeek-V4-Flash-0731, Qwen3-32B or Llama-3.1-8B-Instruct): POST {messages: [{role, content}], max_tokens <= 1024}; returns the assistant message, the model, and its token usage. Messages up to 16,000 characters in total"
}

What the leaf hashes

{"body":"1bc64250f0ce30f0685f056ee4f6ba54a7a9551d1ca32528c60c1d8d38cc4bd2","id":409273,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080359675999,"prev":284034,"subject":"x402_bazaar:https://api.arysphere.com/v1/ventures/x402_q_verdict_v1/deepseek_v3_2_chat","subject_kind":"source_record"}

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. 0xb2265d59871a04f416e773e29431e0d9763956546e110ff1043126e0e7992d84
2. 0xbff51a75a01aff3bfabe5144ad3eced1205803ec513e71b410992a40f7a09df1
3. 0x16968602d8500b3a17077ea9f04f3b770dd6ce28a683266893aeeaaf7d5c862a
4. 0x6d240e65b8f376e5278c50a6be5f3b133c19ef44fc235b6a5774f5f8248f3930
5. 0x524fd10ca2bb324b64893250cbb8b146ba4b269ec568ea3daec1bf43f89a139e
6. 0x82ceb7f4ea9298f198bf9ad530447767203a3a41d7fbc330f086cc34e67dcf1a
7. 0x664a888cd545bc8218812ef37dbbdc1740f29b883081a7eb1e30bb3ca4c18854
8. 0xdb7f08f15602dd9057dd6fcd1e68a85023bf7dab3cd49c508cead1c095e4ee87
9. 0x97a988eb182fd5f00025fcb27e3de9bd749cceaa701688fb0db66457059e7ab1
10. 0x30919d660b58eb0576eb8e2cdb81ab3e778f2eecee390bd769d1f5f96dec14db
11. 0x79cc7c9e2b6a0102e533effc5e9ae587186511d05cd4a98fa3783728f21ee868
12. 0x2d136d228d8bf54a46835cf3532884988271b7ca1e85edf2327300bd225d178e
13. 0xf1104ea7df082465ff9df25ed29be80a0ac7c1c6b25c289b5d2e6ae5e6331952
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4