Evidence row 64417

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://anansidata.xyz/paid/intel/model-advisor"
    ]
  ],
  "name": "Anansi Model Advisor",
  "owner_address": "0x6d7a2d65b26a87134c0571fb1baaa248eb0a291b",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6D7a2D65B26a87134c0571fb1baaA248eB0a291B",
        "scheme": "exact"
      }
    ],
    "description": "Cheapest LLM meeting your constraints (price/context/modality) PLUS every price change and deprecation in the window. Providers publish only today's catalog and overwrite it — the change history exists nowhere else",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "queryParams": {
              "max_prompt_price": 0.000001,
              "min_context": 128000,
              "modality": "text",
              "window_s": 604800
            },
            "type": "http"
          },
          "output": {
            "example": {
              "charged": true,
              "results": {
                "candidates": [
                  {
                    "context": 512000,
                    "model": "vendor/model",
                    "price_prompt": 0
                  }
                ],
                "deprecations": [],
                "matching_count": 364,
                "price_changes_in_window": []
              }
            },
            "format": "application/json",
            "schema": {
              "$schema": "https://json-schema.org/draft/2020-12/schema",
              "properties": {
                "charged": {
                  "description": "Whether payment settled for this call.",
                  "type": "boolean"
                },
                "provenance": {
                  "description": "Where the data came from and under what terms.",
                  "properties": {
                    "cadence_s": {
                      "description": "Seconds between observations.",
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "dataset": {
                      "type": "string"
                    },
                    "license": {
                      "description": "public: raw values redistributable. derived_only: only computed analytics are served. internal: never served.",
                      "enum": [
                        "public",
                        "derived_only",
                        "internal"
                      ],
                      "type": "string"
                    },
                    "method": {
                      "type": "string"
                    },
                    "source": {
                      "description": "Upstream API or feed.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "results": {
                  "description": "Ranked candidates plus the changes affecting them.",
                  "properties": {
                    "candidates": {
                      "items": {
                        "properties": {
                          "context": {
                            "description": "Tokens.",
                            "type": "integer"
                          },
                          "model": {
                            "type": "string"
                          },
                          "price_prompt": {
                            "description": "USD per prompt token.",
                            "type": "number"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "deprecations": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "matching_count": {
                      "type": "integer"
                    },
                    "price_changes_in_window": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "type": "object"
                }
              },
              "required": [
                "results"
              ],
              "type": "object"
            },
            "type": "object"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "max_prompt_price": {
                      "description": "Max USD PER PROMPT TOKEN (not per million).",
                      "type": "number"
                    },
                    "min_context": {
                      "default": 0,
                      "description": "Minimum context window in TOKENS.",
                      "type": "integer"
                    },
                    "modality": {
                      "description": "Substring of the modality string, e.g. text or image.",
                      "type": "string"
                    },
                    "window_s": {
                      "default": 604800,
                      "description": "Change look-back in SECONDS.",
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-24T15:19:06.354Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T15:19:06.169Z"
    },
    "resource": "https://anansidata.xyz/paid/intel/model-advisor",
    "serviceName": "Anansi Model Advisor",
    "tags": [
      "llm",
      "model-selection",
      "pricing",
      "benchmarks",
      "ai"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cheapest LLM meeting your constraints (price/context/modality) PLUS every price change and deprecation in the window. Providers publish only today's catalog and overwrite it — the change history exists nowhere else"
}

What the leaf hashes

{"body":"327649ab1ddc56afd60f0c1731b73cc1506ad4bbef6e0f4945e25fe13912640a","id":64417,"kind":"listing","method":"baseline/1","observed_us":1793025456608157,"prev":null,"subject":"x402_bazaar:https://anansidata.xyz/paid/intel/model-advisor","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. 0xd0b4f103af241d1303a15f89cf7713997f3a8fd96681df55a22762e71c7566b7
2. 0x62293518a4e86c85d8c6ea77da58bc1505e8ebb534b7ce9d68fe1f0e789457ae
3. 0x40fc75c2e2b41c27743190856a5be5430ca1ac84e434f41c6110e5eafbc28c4c
4. 0x65ba7cf915640229cfcee29f9e19c329b3c9c13cc00cd445ad04c77dea782d0e
5. 0xa94d1b108695def6d56565f353dbdb6294ed045218dbda3d69e309c2b9764130
6. 0xa92533db5c5f6aee05343e8885bbe8abdeb9596b52d4539bf464c8d5327b3622
7. 0xe285341111f643b0c6236691b4024e61aaac9b87f5fed69beb0ac25cbf9f4553
8. 0x821c400cc4fd4406338c8fa6bf5ca213aaa065b553209b9668116eb55b5db853
9. 0xa0d616381ed0c5c291a07abe0af20c8c7fbe3ccaa464a8d253b56a1b36373a26
10. 0x0f53b93a25a2f186fd221bd4e152ef492b0cc841c0b870210a5fd6038ba3602e
11. 0xcbb746ffeda31ff1f1b0d9f74705fed23a3c2abac5d325d65e8e867a7b5e6307
12. 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae