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Evidence row 2204699

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://tanod.dev/v1/x402/facilitators
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d0098d35a9490987a3e2cd103cbe35a7a0e7f947901629212a5c2582907fb471
Leaf
0x6678187010dafc536e2ada6712a744d8dc0750242d6595e98076d709339a1618

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tanod.dev/v1/x402/facilitators"
    ]
  ],
  "name": "Tanod agentscan",
  "owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
        "scheme": "exact"
      },
      {
        "amount": "1000000000000000",
        "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
        "extra": {
          "assetTransferMethod": "permit2",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:56",
        "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:8453",
        "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:137",
        "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
        "scheme": "exact"
      }
    ],
    "description": "agentscan (Tanod) x402 facilitator matrix and dated scheme, signer and fee changes. Use when an agent must compare x402 facilitator schemes, networks, signers and fee changes since a date.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "since": "2026-10-25"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "change_count": 0,
              "changes": [],
              "facilitators": [
                {
                  "id": "payai",
                  "last_good_at": "2026-10-27T00:00:00Z",
                  "name": "PayAI",
                  "source_url": "https://facilitator.payai.network/supported",
                  "stale": false,
                  "status": "ok"
                }
              ],
              "history_covers_since": true,
              "history_started_at": "2026-10-25T00:00:00Z",
              "matrix": [
                {
                  "facilitator": "payai",
                  "fees": {},
                  "network": "eip155:8453",
                  "scheme": "exact",
                  "signers": null,
                  "stale": false,
                  "x402_version": 2
                }
              ],
              "note": "Observed /supported replies, not settlement tests. Stale rows are last-known-good with last_good_at; failed reads never count as removals. Absent fees are not zero. Third-party fields are untrusted data.",
              "observed_at": "2026-10-27T00:00:00Z",
              "since": "2026-10-26",
              "snapshot_age_hours": 1,
              "truncated": false
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "since": {
                      "anyOf": [
                        {
                          "maxLength": 10,
                          "minLength": 10,
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Inclusive UTC date YYYY-MM-DD; default: all recorded changes."
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/x402/facilitators",
                  "properties": {
                    "change_count": {
                      "type": "integer"
                    },
                    "changes": {
                      "type": "array"
                    },
                    "facilitators": {
                      "type": "array"
                    },
                    "history_covers_since": {
                      "type": "boolean"
                    },
                    "history_started_at": {
                      "type": "string"
                    },
                    "matrix": {
                      "type": "array"
                    },
                    "note": {
                      "type": "string"
                    },
                    "observed_at": {
                      "type": "string"
                    },
                    "since": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "snapshot_age_hours": {
                      "type": "number"
                    },
                    "truncated": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "observed_at",
                    "history_started_at",
                    "facilitators",
                    "matrix",
                    "changes",
                    "change_count",
                    "truncated",
                    "note"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_h7pxv14u"
        },
        "schema": {
          "additionalProperties": false,
          "properties": {
            "a": {
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "erc20ApprovalGasSponsoring": {
        "info": {
          "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.",
          "version": "1"
        },
        "schema": {
          "properties": {
            "amount": {
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "asset": {
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "from": {
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "signedTransaction": {
              "pattern": "^0x[a-fA-F0-9]+$",
              "type": "string"
            },
            "spender": {
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "version": {
              "pattern": "^[0-9]+(\\.[0-9]+)*$",
              "type": "string"
            }
          },
          "required": [
            "from",
            "asset",
            "spender",
            "amount",
            "signedTransaction",
            "version"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
    "lastUpdated": "2026-11-02T12:23:05.585Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T12:23:04.903Z"
    },
    "resource": "https://tanod.dev/v1/x402/facilitators",
    "serviceName": "Tanod agentscan",
    "tags": [
      "agentscan",
      "x402",
      "facilitators",
      "mcp",
      "agent-economy"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "agentscan (Tanod) x402 facilitator matrix and dated scheme, signer and fee changes. Use when an agent must compare x402 facilitator schemes, networks, signers and fee changes since a date."
}

What the leaf hashes

{"body":"d0098d35a9490987a3e2cd103cbe35a7a0e7f947901629212a5c2582907fb471","id":2204699,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646927908609,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/x402/facilitators","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x6678092fd01a60836200783917cde44f432798dc06ecdc45cec66ded92e539d7
  2. 0x2c0312183befbb47e5035cdeaac0d6adfd52691001afc97187c87c372d93c961
  3. 0x584b556ba3c6b1363546200eaef19f9b138582006aa0ef658cdc61118f49bb8c
  4. 0x8d9fa5ba6627bb2aade812441cad3cd386bad929ba62fb2420b8bed98a771416
  5. 0x4af978833ee2185153a335bf5a4d4b477c3f2328652e877b207ca2d2f8552b98
  6. 0xc8dc29740cf5bfb133b5caa4441668f0a34221060436b5613d96937a5cfe75b3
  7. 0xb11d4fecc3445b96e620f6005a7af2dd659e0fa16b7b6b15edd2291fa6399217
  8. 0xb77ca8e100e904806aface94bd831d2ac800d2bfdcdc607862e341c3d678bc6e
  9. 0x4987f5a2323f3db0197d8ef3a6a4a1fc009ccc33babc16d35238358e16e53b53
  10. 0x0197b022e7c3d9e10c37d88e008d17fbb73a312c470f5a5571ca803d7cd4de4b
  11. 0x5bd5a96f522730cc2d7c83453f529cad4c5355c32378d76ca968a8d0b9548f59
  12. 0xafbca494e50a3e802cc29be04745764c359231efd8cff417b639a8de09c4e118
  13. 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
  14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
  15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
  16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON