Evidence row 120733

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/transit/london/status"
    ]
  ],
  "name": "Saylor Innovations Transit",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:transit:london-status",
          "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": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:transit:london-status",
          "reference": "7jBA9wXnevtKkPgeJEDdUkEeNGm1xVsi63oQPdJWmVKY",
          "session": "eyJhcnRpY2xlSWQiOiJ0cmFuc2l0OmxvbmRvbi1zdGF0dXMiLCJyZWZlcmVuY2UiOiI3akJBOXdYbmV2dEtrUGdlSkVEZFVrRWVOR20xeFZzaTYzb1FQZEpXbVZLWSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzI0MzQzNTQ3fQ.EXGyHOpI2MZusSGgey0h_gc_WsWN9i2kKFmfXxu81IY"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "London line status now for the Tube, Elizabeth line, DLR, Overground and tram - delays and suspensions",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "mode": "tube"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "lines": [
                {
                  "line": "District",
                  "mode": "tube",
                  "statuses": [
                    {
                      "reason": "Minor delays due to an earlier signal failure...",
                      "status": "Minor Delays"
                    }
                  ]
                }
              ],
              "lines_disrupted": 1,
              "lines_total": 11,
              "modes": "tube",
              "summary": "District: Minor Delays"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "mode": {
                      "description": "optional comma list: tube, elizabeth-line, dlr, overground, tram, bus, national-rail, river-bus, cable-car (query)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "generated_at": {
                      "description": "Time this response was generated (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "lines": {
                      "description": "Transit lines",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "lines_disrupted": {
                      "description": "Lines disrupted",
                      "type": "number"
                    },
                    "lines_total": {
                      "description": "Lines total",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "modes": {
                      "description": "Modes available",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "summary": {
                      "description": "Short summary",
                      "type": "string"
                    }
                  },
                  "required": [
                    "lines"
                  ],
                  "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": "2026-10-18T11:50:23.591Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-18T11:50:23.345Z"
    },
    "resource": "https://saylorinnovations.com/api/transit/london/status",
    "serviceName": "Saylor Innovations Transit",
    "tags": [
      "transit",
      "public-transport",
      "london",
      "alerts",
      "real-time"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "London line status now for the Tube, Elizabeth line, DLR, Overground and tram - delays and suspensions"
}

What the leaf hashes

{"body":"96e10c9fcbd510572a16c7615275c9fe854bdafa0e95b9b5bac5599a0a4c23b1","id":120733,"kind":"listing","method":"baseline/1","observed_us":1793025618539752,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/transit/london/status","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. 0x9a8a6e760c8fe5c4f2937abbe62e265cbfa627d5d682abbbe0fa16175b68bca3
2. 0x67acd943d2e704abaaeafbb3d4de51fbc0cc29bd89ffc500b45d6fa4d44707eb
3. 0x7ec0ad00096b79542862fec7f4d523b6d2678de2ce463af078b1b4ac0a5f03ae
4. 0xec54d8202dd656a28d4cc56012befb9b6dad5d134e084f504c287e2fe646b7e2
5. 0x996680b923e9eea4da420cd8f2c20e7accfd8d280ac7d1dc7fdb4208a2a686af
6. 0x0526506c37acd54aeeaff172d6b0372cc0527e35b219059cd21f2e2d3bcbb6ef
7. 0x37c3845815f41ffc3fc725ac7c02ae747cffd8029fbe0b65bf3709534f36220b
8. 0xdc4fe93426c72c2da96600cd05a0ef063b5ce5e420b94ebbc9cc783fd3c6dfa3
9. 0x6482aa079d63383ea6d87b53b5b2a91f5b271acde9eb01239868f126bcba9663
10. 0x1aaf62de630dedecdb7489eb3c995d9755402e845b621c4301684e0f3dc79b03
11. 0xee5ef8d84c329a24d375330252426182463aa2a536127b218e61007c87101323
12. 0xfee33ee0189dc82c649bd0324796a297b897507b2fddbbe2eff331c40c960ce2
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae