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Evidence row 120844

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/weather/alerts
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4bd28eb804fd5dfbf7411cc63ff5554cd06c47c4ef9184fb1b9b058bf0cb6f68
Leaf
0x979649e9649e68739907b8e7acfdbe4dbb72288c12c5bbff0378327c674b7e97

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/weather/alerts"
    ]
  ],
  "name": "Saylor Innovations Weather Alert",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:weather: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": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:weather:alerts",
          "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:weather:alerts",
          "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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:weather:alerts",
          "reference": "AuB9Wthzqz375vgcbmEdNGFtrMRaYigy9CTsJ3y7yWYm",
          "session": "eyJhcnRpY2xlSWQiOiJ3ZWF0aGVyOmFsZXJ0cyIsInJlZmVyZW5jZSI6IkF1QjlXdGh6cXozNzV2Z2NibUVkTkdGdHJNUmFZaWd5OUNUc0ozeTd5V1ltIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0ODkxODY0MjN9.jih-sWj1QRswoPzH8HEJMoZrjZ5OtWVL6cQnQTCEC3o"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:weather:alerts",
          "reference": "DonMRkbiHyAaR7UdBpz5uZWGFFz1RtCkB89qtoey21hJ",
          "session": "eyJhcnRpY2xlSWQiOiJ3ZWF0aGVyOmFsZXJ0cyIsInJlZmVyZW5jZSI6IkRvbk1Sa2JpSHlBYVI3VWRCcHo1dVpXR0ZGejFSdENrQjg5cXRvZXkyMWhKIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0ODkxODY0MjN9.5Qv5sBfQ8fn_qCfXEeb50YdUjc8aIUq9YNt2KYP63jw"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93304",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:weather:alerts",
          "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": "96190",
          "reference": "7oruTXeKnBVnXFzGVKLYsqVY3csmNW9B5atRPVXDP8Vc",
          "session": "eyJhcnRpY2xlSWQiOiJ3ZWF0aGVyOmFsZXJ0cyIsInJlZmVyZW5jZSI6IjdvcnVUWGVLbkJWblhGekdWS0xZc3FWWTNjc21OVzlCNWF0UlBWWERQOFZjIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkzMzA0LCJleHAiOjE3OTI0ODkxODY0MjR9.nsTCr6LlACvxLcLAjHQ00MPCHFVxlK0J66NtfEbKixQ",
          "solUsdPrice": 103.96
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Active U.S. National Weather Service alerts for a state or point - warnings, watches and advisories",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "state": "TX"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "active_alerts": 1,
              "alerts": [
                {
                  "areas": "Potter; Randall",
                  "event": "Flash Flood Warning",
                  "headline": "Flash Flood Warning issued September 24 at 9:25PM CDT by NWS Amarillo TX",
                  "severity": "Severe",
                  "urgency": "Immediate"
                }
              ],
              "area": "TX"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "state": {
                      "description": "2-letter U.S. state or marine zone (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "state"
                  ],
                  "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"
                    },
                    "area": {
                      "description": "Area the data covers",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "by_event": {
                      "description": "By event"
                    },
                    "generated_at": {
                      "description": "Time this response was generated (UTC)",
                      "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": "2026-10-20T09:37:46.497Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T09:37:46.167Z"
    },
    "resource": "https://saylorinnovations.com/api/weather/alerts",
    "serviceName": "Saylor Innovations Weather Alert",
    "tags": [
      "weather",
      "alerts",
      "nws",
      "severe-weather"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Active U.S. National Weather Service alerts for a state or point - warnings, watches and advisories"
}

What the leaf hashes

{"body":"4bd28eb804fd5dfbf7411cc63ff5554cd06c47c4ef9184fb1b9b058bf0cb6f68","id":120844,"kind":"listing","method":"baseline/1","observed_us":1793025618894846,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/weather/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. 0x97966586fdd202a4a2cc57b4c4a2e3500548687cd649f4e7d4e0535e96ebe153
  2. 0x3f6a21c66c310eeca8bc79c0c5daaa7f492bdda1ba4aaa5b84975e80069a9348
  3. 0xd62ef19cf8571767aacb18571d2bb23e0488dafc95f48e41a83b563aec26d963
  4. 0x295e5edd8babf68c7e5f177ad5f3976935dcab62e7bd9f1729e205b65731eb35
  5. 0xf988eecb7918dc2a389572e9a87b059ef9020ebfb039f2c879feb6cc47accd06
  6. 0x8b3e91dcd0461d9ce5eae5c70e9c6a23948e46f964c81cd56273a0a5f0bcce5e
  7. 0xaa0782782ad197ab6d9772d0bd71ecefcff3a480eaf2138b55c3937faf6cf2d1
  8. 0x40b7c2673b98091438cd3320637276d1f67a35d60d164d74f41140f8efdf15b2
  9. 0x35eac46db8483d69cfaaaac2bd48acc2c02f3fa969d9d79ef5005146dbe11c26
  10. 0xdc53c89cce7091adf601946635a4d64062fe6855a2f46a4967374baab5240ceb
  11. 0x33109041c3d120f5b9ce2c3270a8fc409acfab4e749a0ff42fa0744354f87c17
  12. 0xd43b73151a0c2d9a61f2ae73ed148938b0e6b05c81197f7eebbf95dba38a7004
  13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
  14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
  15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  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