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Evidence row 120736

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/transit/nyc/alerts
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
77d31650eff930167b39a10a6ac2bd5a34326a34256e42428ec5459098533a30
Leaf
0x76331db2e7278b735992e37a1865df38028f658bda2b4d733e2f06566b325e12

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/transit/nyc/alerts"
    ]
  ],
  "name": "Saylor Innovations Transit",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:transit:nyc-alerts",
          "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:nyc-alerts",
          "reference": "BJ6TU37s2NyNbPaMSFdLdBMy1TN1Pv9XxCpjhEb3mG1a",
          "session": "eyJhcnRpY2xlSWQiOiJ0cmFuc2l0Om55Yy1hbGVydHMiLCJyZWZlcmVuY2UiOiJCSjZUVTM3czJOeU5iUGFNU0ZkTGRCTXkxVE4xUHY5WHhDcGpoRWIzbUcxYSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzI1MjE3NTY3fQ.kPwWPT6RESYSQNjuDCdzSKvoF5aZ5CTSMciosubsi8I"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "NYC subway service alerts in effect now - delays, suspensions and reroutes by line",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "line": "A"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "active_alerts": 1,
              "alerts": [
                {
                  "header": "[L] trains are running with delays in both directions...",
                  "lines": [
                    "L"
                  ],
                  "type": "Delays"
                }
              ],
              "by_type": {
                "Delays": 1
              },
              "line": "L"
            },
            "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": {
                    "line": {
                      "description": "optional line, e.g. A, 7, L (query)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "active_alerts": {
                      "description": "Number of active alerts",
                      "type": "number"
                    },
                    "alerts": {
                      "description": "Active alerts",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "by_type": {
                      "description": "Counts grouped by type"
                    },
                    "generated_at": {
                      "description": "Time this response was generated (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "line": {
                      "description": "Line number or text of the line",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "active_alerts",
                    "alerts"
                  ],
                  "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": "2026-10-18T12:04:57.613Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-18T12:04:57.268Z"
    },
    "resource": "https://saylorinnovations.com/api/transit/nyc/alerts",
    "serviceName": "Saylor Innovations Transit",
    "tags": [
      "transit",
      "public-transport",
      "nyc",
      "alerts",
      "real-time"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "NYC subway service alerts in effect now - delays, suspensions and reroutes by line"
}

What the leaf hashes

{"body":"77d31650eff930167b39a10a6ac2bd5a34326a34256e42428ec5459098533a30","id":120736,"kind":"listing","method":"baseline/1","observed_us":1793025618544049,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/transit/nyc/alerts","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. 0x7632f0feac4e112ec51bebce46a28f83b86b753f609f26ab55d9312e46e2aa32
  2. 0x777836bca4d2f5cf21acd3ca9e5e9c6b3906b4f6e1e2b5a37a1acc9795d8ef0d
  3. 0xdee9406c2e4d921d00762fe333a70360b5df098578a04fa9e37147f31d99fd5a
  4. 0x5ae5ab147baff6a7d2b97009699d5f05fe8f5ec9b275797d626500587ddac0e4
  5. 0x22fcc12a8923e0256ad1c72ec8005c15b11262b594238bbbd5c8f5cc61e1bd3b
  6. 0x9de58aa4152907f95af75c436beb1de660367781f0d3ec3d15872bbff2e47d4c
  7. 0x70c96fc6853fd3ce9ba1a520d4b4e3139dfeaebc834d716cbea1009e07f6ee14
  8. 0x4b7a423176c8d0df991d002f7e1669f2c349bac35ea37ce8fccf7be89d4b06ba
  9. 0xa235620a4ae4f7d9957fe2087c615cbd8d4f4274ef5c8fac82586a23aade7b44
  10. 0x0e4e5a49876eb9d3620d41239a02b9ca5f630f9d96c45832d28ded515ead4cac
  11. 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
  12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
  13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
  14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
  15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON