Evidence row 68372

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.seerium.xyz/v1/dex/orderbook-pressure"
    ]
  ],
  "name": "api.seerium.xyz/v1/dex/orderbook-pressure",
  "owner_address": "0x81832eede3a4ad96cb3d7ca09977636d912fd3d5",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
        "scheme": "exact"
      }
    ],
    "description": "Crypto order book API and Dex orderbook pressure feed for agents. Returns bid/ask depth imbalance, buy-side or sell-side pressure, microprice bias, spread in bps, notional liquidity, funding, and confidence for active crypto Dex symbols.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "levels": 10,
              "limit": 10,
              "symbol": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "criteria": {
                  "levels": 10,
                  "limit": 10,
                  "maxSpreadBps": null,
                  "minTotalDepthNotional": null,
                  "symbol": "SOL"
                },
                "returned": 1,
                "rows": [
                  {
                    "askDepthNotional": 42516.72,
                    "bestAsk": 82.37,
                    "bestBid": 82.36,
                    "bidDepthNotional": 103428.44,
                    "bookTimestamp": "2026-03-25T11:59:30.000Z",
                    "change24h": 0.0157,
                    "confidence": "high",
                    "depthImbalance": 0.4175,
                    "direction": "buy_pressure",
                    "fundingRate": 0.00223,
                    "lastPrice": 82.36,
                    "levelsUsed": 10,
                    "microBiasBps": 3.62,
                    "microprice": 82.3948,
                    "midPrice": 82.365,
                    "pressureScore": 0.3842,
                    "reasons": [
                      "bid depth is 2.43x the opposite side across the measured book",
                      "microprice is 3.62 bps above mid",
                      "spread is 1.21 bps"
                    ],
                    "spreadBps": 1.21,
                    "symbol": "SOL",
                    "totalDepthNotional": 145945.16
                  }
                ],
                "timestamp": 1760000000000,
                "totalCandidates": 1,
                "venue": "dex",
                "warnings": []
              },
              "meta": {
                "freshnessMs": 30000,
                "generatedAt": "2026-03-25T12:00:00.000Z",
                "requestId": "req_example_123",
                "updatedAt": "2026-03-25T11:59:30.000Z"
              },
              "product": {
                "accepts": [
                  {
                    "network": "eip155:8453",
                    "payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
                    "price": "$0.1000",
                    "scheme": "exact"
                  },
                  {
                    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
                    "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
                    "price": "$0.1000",
                    "scheme": "exact"
                  }
                ],
                "id": "dex-orderbook-pressure",
                "method": "GET",
                "name": "Crypto Dex Order Book Pressure API",
                "networks": [
                  "eip155:8453",
                  "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
                ],
                "path": "/v1/dex/orderbook-pressure",
                "price": "$0.1000"
              },
              "service": "seerium-x402-api"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "levels": {
                      "description": "Optional order book levels per side used to measure buy-side or sell-side pressure. Defaults to 10.",
                      "maximum": 20,
                      "minimum": 1,
                      "type": "number"
                    },
                    "limit": {
                      "description": "Optional maximum crypto order book pressure rows to return. Defaults to 20.",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "number"
                    },
                    "maxSpreadBps": {
                      "description": "Optional maximum top-of-book spread in basis points.",
                      "minimum": 0,
                      "type": "number"
                    },
                    "minTotalDepthNotional": {
                      "description": "Optional minimum combined bid plus ask notional depth filter.",
                      "minimum": 0,
                      "type": "number"
                    },
                    "symbol": {
                      "description": "Optional crypto Dex symbol filter for order book pressure, for example BTC, BTCUSDT, or BTC-PERP.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:09:36.441Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-08T06:09:36.316Z"
    },
    "resource": "https://api.seerium.xyz/v1/dex/orderbook-pressure",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Crypto order book API and Dex orderbook pressure feed for agents. Returns bid/ask depth imbalance, buy-side or sell-side pressure, microprice bias, spread in bps, notional liquidity, funding, and confidence for active crypto Dex symbols."
}

What the leaf hashes

{"body":"a909787238cd6ae78a6bbe699c5eb4b3b2913581758c83bf8cebf82aa8943372","id":68372,"kind":"listing","method":"baseline/1","observed_us":1793025466473337,"prev":null,"subject":"x402_bazaar:https://api.seerium.xyz/v1/dex/orderbook-pressure","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. 0x502e861064b883f3e5e7e5884240bed64f46dfa32659b978d8d46b8aaf9cf9cd
2. 0x81a9c53a29769bbb38dabda92a28d3f463743805fc6a511dabdcea85fdcd1453
3. 0xd9596006d8d887feb60e023e222be29d6728e5b5a8d21a5ee776180e82912462
4. 0xd922a64b4e161bdb9887fbde34e2d103cc3e8ce4cb38ce9bb87db5f1a994a4a3
5. 0x1b37fe59c6bd0f67dcbced9f29210e89d0e603520d733d7cc04757511cfc7f6a
6. 0x123730efe82b3b9abc68f20fce1067e1b96c1e26991c64a83ae684a89d7e9c8a
7. 0x4c271e3a238d346f07fd38cae8a58906352e2ebc95aa5d5daf774625db60e7ce
8. 0xd99d4e6e510e04815d422886514c15959a0554deb1b37475dc826ca42d0dc7e0
9. 0x88c94c22ce2a6c0cd716bfe97ceac651fc60ee0aba40dbb075d713b366b543b1
10. 0x62c975a2c751182cb374d19834d999a49e29a6df9ba4accfe84ac8b4b21dc54a
11. 0xe281245a49847bca87f4c96f8da0284eeef688f3f597a62adb2d9089f4385e55
12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae