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Evidence row 120732

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/transit/london/arrivals
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9d5a46db146ca0742748286b34dfaeb17eecdca127fb7fab535b935e312ee3fb
Leaf
0xbb91f251b09710fdc57a65fd702f7a7aff0b3963a92ce9c88a834976c7182f35

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/transit/london/arrivals"
    ]
  ],
  "name": "Saylor Innovations Transit",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:transit:london-arrivals",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:transit:london-arrivals",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:transit:london-arrivals",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:transit:london-arrivals",
          "reference": "6emumWsgdAi9W3h34RHJSR2MvdzRDGKiTTPcHLrB9a3J",
          "session": "eyJhcnRpY2xlSWQiOiJ0cmFuc2l0OmxvbmRvbi1hcnJpdmFscyIsInJlZmVyZW5jZSI6IjZlbXVtV3NnZEFpOVczaDM0UkhKU1IyTXZkelJER0tpVFRQY0hMckI5YTNKIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0Nzc5OTc4MjZ9.Y568tEynbmIuB5PW3-L85a3uGrNQGrcmfNgMXmLVizg"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:transit:london-arrivals",
          "reference": "2pYtrHUpWspEaLrar7yWLtpyzHFXKgF9szyaRozMPPW5",
          "session": "eyJhcnRpY2xlSWQiOiJ0cmFuc2l0OmxvbmRvbi1hcnJpdmFscyIsInJlZmVyZW5jZSI6IjJwWXRySFVwV3NwRWFMcmFyN3lXTHRweXpIRlhLZ0Y5c3p5YVJvek1QUFc1IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0Nzc5OTc4MjZ9.h0UDozhYnENsR1HQfyVR4mriFh97HLmrGlBoxapMqDM"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92875",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:transit:london-arrivals",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "95748",
          "reference": "4NJ1E5d6ovd7Uik3HfVEvSsoc3m8KJ2DEjmYx4Rn8Y75",
          "session": "eyJhcnRpY2xlSWQiOiJ0cmFuc2l0OmxvbmRvbi1hcnJpdmFscyIsInJlZmVyZW5jZSI6IjROSjFFNWQ2b3ZkN1VpazNIZlZFdlNzb2MzbThLSjJERWptWXg0Um44WTc1IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyODc1LCJleHAiOjE3OTI0Nzc5OTc4MjZ9.H_iTFT2ksv2IeRJ77RN4vOeZIFsrV5bJW8F3nUoNAmM",
          "solUsdPrice": 104.44
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "London real-time arrivals at any Tube, Overground, DLR, tram or bus stop - line, platform, destination and minutes away",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "stop": "Oxford Circus"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "arrivals": [
                {
                  "arrives_in_min": 2,
                  "current_location": "Approaching Oxford Circus",
                  "destination": "Brixton",
                  "line": "Victoria",
                  "mode": "tube",
                  "platform": "Southbound - Platform 5"
                }
              ],
              "count": 1,
              "found": true,
              "stop": "Oxford Circus Underground Station"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "stop": {
                      "description": "station or stop name, e.g. Oxford Circus, Kings Cross (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "stop"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "arrivals": {
                      "description": "Upcoming arrivals",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "count": {
                      "description": "Number of items returned",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "found": {
                      "description": "True when the lookup matched a record",
                      "type": "boolean"
                    },
                    "generated_at": {
                      "description": "Time this response was generated (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "lat": {
                      "description": "Latitude in decimal degrees",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "lon": {
                      "description": "Longitude in decimal degrees",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "modes": {
                      "description": "Modes available",
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "other_matches": {
                      "description": "Other candidates that matched the query, lower ranked",
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "stop": {
                      "description": "Stop the data is for",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "stop_id": {
                      "description": "Stop id identifier",
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "found"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-20T06:31:17.877Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T06:31:17.586Z"
    },
    "resource": "https://saylorinnovations.com/api/transit/london/arrivals",
    "serviceName": "Saylor Innovations Transit",
    "tags": [
      "transit",
      "public-transport",
      "london",
      "arrivals",
      "real-time"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "London real-time arrivals at any Tube, Overground, DLR, tram or bus stop - line, platform, destination and minutes away"
}

What the leaf hashes

{"body":"9d5a46db146ca0742748286b34dfaeb17eecdca127fb7fab535b935e312ee3fb","id":120732,"kind":"listing","method":"baseline/1","observed_us":1793025618538601,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/transit/london/arrivals","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. 0xbb91f3d23401e484485af945845250a091899e695346a772b92dfa93f6c7ab96
  2. 0x5e0635c785eeddd4d8b70488097ea8e5f66a74c3cc394378d6523cbd1596ecfe
  3. 0x4be29ac1077b497d74dd4977022b722d87850ad652eacd2a7ac09558f257ee46
  4. 0x8ddda8eecc3a13f6408243cd61378a244348758c29ad352c68eb7f68ab8c7e16
  5. 0x920af1fe9e64f575d6271381cfd9f44c257f1b2396537c231c97fb1c2681f053
  6. 0x5dbf2d42dd571d10eb20b92ba816ad6cdda467c71ef511bd7c679714cda623c4
  7. 0xb6a502a029dd5d1fbac7e3f4b463afedf5b3421fcb2e51be73494efa0510f419
  8. 0x730c78b9cb2a4d56bd94d406282ece7fd629d2c10aa24befe46338417d4d9076
  9. 0xcf9d22f54d67e9a1722d0233cc204d07c1f88c4c088dd42604210ff6461190a4
  10. 0xbae474fb988c71d46b488892998702dab209a22890a406d07014d6a096000d33
  11. 0x66ed746e8b7893417ecf36cd9e7178eac8d5a36914238191ee21e14d3aa57d8d
  12. 0x571bf2cc487a35d2ef7662b375d1fa9179fe0f6cab6f6cebdb1a6113d25f3c92
  13. 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
  14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
  15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  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