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Evidence row 63947

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://agentshelf.syntexa.ch/v1/crypto-trades
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a7af2c9f04cb6665099393841d94e03936f63bdc0f13a35194d74405ea762cd0
Leaf
0xd4534fa776f471d0fcd850622b10f4116fa62860d0d1064563074d83419e34b6

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentshelf.syntexa.ch/v1/crypto-trades"
    ]
  ],
  "name": "agentshelf.syntexa.ch/v1/crypto-trades",
  "owner_address": "0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
        "scheme": "exact"
      }
    ],
    "description": "Call when an agent needs the latest public spot trades for a symbol, newest first, limit up to 100. Tries Coinbase Exchange, Kraken, OKX, then Binance. No API key. Send JSON {\"symbol\":\"BTC-USD\",\"limit\":2}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/crypto-trades first.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "limit": 2,
              "symbol": "BTC-USD"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "billed": true,
              "limit": 2,
              "ok": true,
              "receipt_id": "rcpt_01EXAMPLE000000000000000",
              "source": "coinbase",
              "symbol": "BTC-USD",
              "trades": [
                {
                  "price": "82438.44000000",
                  "side": "sell",
                  "size": "0.01061400",
                  "time": 1792652190,
                  "trade_id": "1109211771"
                },
                {
                  "price": "82438.75000000",
                  "side": "buy",
                  "size": "0.00000018",
                  "time": 1792652190,
                  "trade_id": "1109211770"
                }
              ],
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "examples": [
                    {
                      "limit": 2,
                      "symbol": "BTC-USD"
                    }
                  ],
                  "properties": {
                    "limit": {
                      "default": 20,
                      "description": "How many recent trades to return, newest first. Example: 2. Default 20. At most 100.",
                      "examples": [
                        2
                      ],
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "symbol": {
                      "description": "Spot symbol. Example: BTC-USD or BTCUSDT. XBT is read as BTC. A slash is accepted. The response symbol is BASE-QUOTE.",
                      "examples": [
                        "BTC-USD"
                      ],
                      "maxLength": 24,
                      "minLength": 5,
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol"
                  ],
                  "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": {
                  "additionalProperties": false,
                  "examples": [
                    {
                      "billed": true,
                      "limit": 2,
                      "ok": true,
                      "receipt_id": "rcpt_01EXAMPLE000000000000000",
                      "source": "coinbase",
                      "symbol": "BTC-USD",
                      "trades": [
                        {
                          "price": "82438.44000000",
                          "side": "sell",
                          "size": "0.01061400",
                          "time": 1792652190,
                          "trade_id": "1109211771"
                        },
                        {
                          "price": "82438.75000000",
                          "side": "buy",
                          "size": "0.00000018",
                          "time": 1792652190,
                          "trade_id": "1109211770"
                        }
                      ],
                      "warnings": []
                    }
                  ],
                  "properties": {
                    "billed": {
                      "examples": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "limit": {
                      "examples": [
                        2
                      ],
                      "exclusiveMinimum": 0,
                      "maximum": 100,
                      "type": "integer"
                    },
                    "ok": {
                      "const": true,
                      "examples": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "receipt_id": {
                      "examples": [
                        "rcpt_01EXAMPLE000000000000000"
                      ],
                      "type": "string"
                    },
                    "source": {
                      "enum": [
                        "coinbase",
                        "kraken",
                        "okx",
                        "binance"
                      ],
                      "examples": [
                        "coinbase"
                      ],
                      "type": "string"
                    },
                    "symbol": {
                      "examples": [
                        "BTC-USD"
                      ],
                      "type": "string"
                    },
                    "trades": {
                      "examples": [
                        [
                          {
                            "price": "82438.44000000",
                            "side": "sell",
                            "size": "0.01061400",
                            "time": 1792652190,
                            "trade_id": "1109211771"
                          },
                          {
                            "price": "82438.75000000",
                            "side": "buy",
                            "size": "0.00000018",
                            "time": 1792652190,
                            "trade_id": "1109211770"
                          }
                        ]
                      ],
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "price": {
                            "type": "string"
                          },
                          "side": {
                            "enum": [
                              "buy",
                              "sell"
                            ],
                            "type": "string"
                          },
                          "size": {
                            "type": "string"
                          },
                          "time": {
                            "minimum": 0,
                            "type": "integer"
                          },
                          "trade_id": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "time",
                          "trade_id",
                          "price",
                          "size",
                          "side"
                        ],
                        "type": "object"
                      },
                      "maxItems": 100,
                      "type": "array"
                    },
                    "warnings": {
                      "default": [],
                      "examples": [
                        []
                      ],
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "ok",
                    "receipt_id",
                    "billed",
                    "symbol",
                    "limit",
                    "source",
                    "trades"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-22T07:20:52.886Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-22T07:20:52.699Z"
    },
    "resource": "https://agentshelf.syntexa.ch/v1/crypto-trades",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Call when an agent needs the latest public spot trades for a symbol, newest first, limit up to 100. Tries Coinbase Exchange, Kraken, OKX, then Binance. No API key. Send JSON {\"symbol\":\"BTC-USD\",\"limit\":2}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/crypto-trades first."
}

What the leaf hashes

{"body":"a7af2c9f04cb6665099393841d94e03936f63bdc0f13a35194d74405ea762cd0","id":63947,"kind":"listing","method":"baseline/1","observed_us":1793025455851278,"prev":null,"subject":"x402_bazaar:https://agentshelf.syntexa.ch/v1/crypto-trades","subject_kind":"source_record"}

Proof

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

  1. 0xd453ca12e1246dabb99da7be20acb07978f3435a8e60136614c034581047b6c2
  2. 0x059e8ae1b676105cc87a27ebe029ef5dadc7264e8a59877776ad4d6572e04023
  3. 0xd70bb5be6eccbba2851b70d423ba3dbb42641145c9de4540483c013ad2ef34e2
  4. 0x04c539a7a36a60a713309d29bb63ada29cb074e42c6188cb0092cab4ae2ca1b7
  5. 0x762a72f49b7ac30b82ac0a3e565e4fc3a2c647266c7caa5cca9baa3586c7414a
  6. 0xadc91cbd88465ee813dd66362a07f2ae8de139a41fbd48b2aec343eb36fec23b
  7. 0x1c293653e3d1e981af957e55a5dc56ee4a7d4bd1e02751bfbaa7cee0c986f45a
  8. 0xed1adb0ff81927e4e7735468d21104c525c417f5a491de9ac86474c09087c303
  9. 0x7f07b9b890afd5ad8ae0ab9d5ede15b051d3990e59a076f5ffdfbf216d9a7016
  10. 0xbf2ea8422e4d4634187236ad26741d988ab947590ee32bccf49379c5b69d0711
  11. 0x13af2618b202e3256bff92107d30a646eb897d2992ea1f3e08e75bf4bef84c31
  12. 0x7026808261896a203198354548e5e8cabce4a06e89d077c172084841b47ae119
  13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
  14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
  15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON