Evidence row 64273

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/ai_model_pricing"
    ]
  ],
  "name": "Community AI Model Pricing Index",
  "owner_address": "0x8647f7d7a1368a467ad1ff757fbc2e7167973558",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8647F7D7a1368a467Ad1FF757fBc2e7167973558",
        "scheme": "exact"
      }
    ],
    "description": "Fetch a current third-party aggregated model-pricing snapshot from LiteLLM. Buyers should verify final pricing with each provider.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "providers": "openai,anthropic"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "caveat": "Third-party aggregated pricing. Verify final purchasing decisions with the model...",
              "count": 30,
              "fetched_at": "2026-08-07T07:32:42.020Z",
              "marketplace_metadata": {
                "availability": "operational",
                "billable": true,
                "data_mode": "live_source",
                "source": "LiteLLM community pricing database"
              },
              "models": [
                "[nested detail omitted from the challenge header; see the full example in /openapi.json]"
              ],
              "source": "LiteLLM community pricing database",
              "source_url": "https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.jso...",
              "success": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": true,
                  "properties": {
                    "providers": {
                      "description": "Comma-separated list of providers to filter.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "properties": {
                    "caveat": {
                      "type": "string"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "fetched_at": {
                      "type": "string"
                    },
                    "marketplace_metadata": {
                      "additionalProperties": true,
                      "properties": {
                        "availability": {
                          "type": "string"
                        },
                        "billable": {
                          "type": "boolean"
                        },
                        "data_mode": {
                          "type": "string"
                        },
                        "source": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "data_mode",
                        "billable",
                        "availability",
                        "source"
                      ],
                      "type": "object"
                    },
                    "models": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "source": {
                      "type": "string"
                    },
                    "source_url": {
                      "type": "string"
                    },
                    "success": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "success",
                    "source",
                    "source_url",
                    "fetched_at",
                    "caveat",
                    "count",
                    "models",
                    "marketplace_metadata"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-19T11:20:08.75Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T11:20:08.593Z"
    },
    "resource": "https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/ai_model_pricing",
    "serviceName": "Community AI Model Pricing Index",
    "tags": [
      "llm",
      "pricing",
      "models",
      "tokens",
      "api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Fetch a current third-party aggregated model-pricing snapshot from LiteLLM. Buyers should verify final pricing with each provider."
}

What the leaf hashes

{"body":"d8e9532d4bfbefaeb684a6b45c4c917d2fd515ecfb09ae8a5c4f6c071d3de3a3","id":64273,"kind":"listing","method":"baseline/1","observed_us":1793025456401557,"prev":null,"subject":"x402_bazaar:https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/ai_model_pricing","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x24cf5343f1f8e00abb12d82a6d872f9756aa4ef785117c45d7b667eae3e22c1f
2. 0x13595befd611728f39f900524d85a9f192706fa95be9ee3cc4be06f35c489594
3. 0x2d18b5253be763e076fa5e87cda966f3890d020a71abd8a1815a7e75abf61fc5
4. 0x4dac724ff0ce3bbe096a8f8cdf6958f27dca2e7c55bbfd0f058759a9977dfb25
5. 0x3c822b5a5110f37ff8f53f437c683a9a54336f745c5147e1d9979e0ab4ba4991
6. 0xa43be975d367e6c0aa65b7e35d1730b010e81a70ac9695650e1542698991204d
7. 0x8b534277a8507dd9782adba9a2353854d2a34169629ef496a8e5b56652961d9e
8. 0x68d3d7fe1d8292dca391acd6b3ca8be33df4de55eab3fc7bad10899f11178de5
9. 0xc2c0139377d9d280ab951f4619a24fe372b3e8bea00b0461289356e47d5e6c25
10. 0xfe4ee9a25c2f5ad925133380f1786d74cb1b3864d5014888d5e20a14c89ec5b0
11. 0xcd59d6e87f33016070792bd627b1f58155e890e1fdf84deab560cdcb1c986874
12. 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae