addrbookFor publishers
← The evidence ledger

Evidence row 119378

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/avalanche/forecast
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c3a40dc1e04978410ca4d9fec78c70e5205aa5854079261be511947264533a05
Leaf
0x899d249ea34cb80198408e8c6da1cf080bb64ad8177ab13cd47709672cb78992

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/avalanche/forecast"
    ]
  ],
  "name": "Saylor Innovations Avalanche Dan",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:avalanche:forecast",
          "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:avalanche:forecast",
          "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:avalanche:forecast",
          "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": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:avalanche:forecast",
          "reference": "83DFyEUpgYu9A4MxGvr2qgaEEhRnE4zVwBktEhzRZQfS",
          "session": "eyJhcnRpY2xlSWQiOiJhdmFsYW5jaGU6Zm9yZWNhc3QiLCJyZWZlcmVuY2UiOiI4M0RGeUVVcGdZdTlBNE14R3ZyMnFnYUVFaFJuRTR6VndCa3RFaHpSWlFmUyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDgwMTA4MzUyfQ.REBEGl9mXfyjIdenCvRymuA_XCQvWD3Ooioh07kCfnQ"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:avalanche:forecast",
          "reference": "CoyoR2LAsu7UBABvs9ZJ7aBRKk7fE3Ve5eW3vzPXxVVa",
          "session": "eyJhcnRpY2xlSWQiOiJhdmFsYW5jaGU6Zm9yZWNhc3QiLCJyZWZlcmVuY2UiOiJDb3lvUjJMQXN1N1VCQUJ2czlaSjdhQlJLazdmRTNWZTVlVzN2elBYeFZWYSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDgwMTA4MzUyfQ.PYZ09utdS-xqdMrY8-YaZgo7vCmnckGyNuVg51KKOdE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92716",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:avalanche:forecast",
          "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": "95584",
          "reference": "9aNRBAjbwvKJ3FB4dGEnqv45sUzzXmgkQFe2MBLyyJvm",
          "session": "eyJhcnRpY2xlSWQiOiJhdmFsYW5jaGU6Zm9yZWNhc3QiLCJyZWZlcmVuY2UiOiI5YU5SQkFqYnd2S0ozRkI0ZEdFbnF2NDVzVXp6WG1na1FGZTJNQkx5eUp2bSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MjcxNiwiZXhwIjoxNzkyNDgwMTA4MzUyfQ._ld-uioZu0MuofbiTH2gWh8PPzJsCsev2FOTjgB-GdA",
          "solUsdPrice": 104.62
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Avalanche danger ratings (1-5) for U.S. forecast zones by point or state, with travel advice",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "state": "CO"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "state": "CO",
              "zones": [
                {
                  "center": "Colorado Avalanche Information Center",
                  "danger": "considerable",
                  "danger_level": 3,
                  "forecast_url": "https://avalanche.state.co.us/",
                  "travel_advice": "Dangerous avalanche conditions...",
                  "zone": "Vail & Summit County"
                }
              ]
            },
            "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": "or 2-letter state (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "state"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "count": {
                      "description": "Number of items returned",
                      "type": "number"
                    },
                    "note": {
                      "description": "Caveat or context for reading the result"
                    },
                    "point": {},
                    "scale": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "state": {
                      "description": "State or region",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "zones": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "zones"
                  ],
                  "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": "2026-10-20T07:06:28.406Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T07:06:28.08Z"
    },
    "resource": "https://saylorinnovations.com/api/avalanche/forecast",
    "serviceName": "Saylor Innovations Avalanche Dan",
    "tags": [
      "avalanche",
      "forecast",
      "outdoors",
      "danger"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Avalanche danger ratings (1-5) for U.S. forecast zones by point or state, with travel advice"
}

What the leaf hashes

{"body":"c3a40dc1e04978410ca4d9fec78c70e5205aa5854079261be511947264533a05","id":119378,"kind":"listing","method":"baseline/1","observed_us":1793025615219302,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/avalanche/forecast","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. 0x899d20868fb0593fc4d0296b21b68368a1e2cdd71d9661b7f6a6c93422a68477
  2. 0x2e92c98d1509d7d4096962b014af1c6a5be5e8a9ecfe41b79538ef8e6df25d69
  3. 0xfe308e01dac5302c4321f94bb35a17852de1b3c4c1805cc11f3277bacd3f9b33
  4. 0x682c2abd29d5f04614b8e200f3a64d8999f3714d2c6bf1f35c4172c254489fc2
  5. 0xfb547d66536953aa2c57aeca88e0e8986bbc623726d9492a3401ff76af5c64d2
  6. 0xc23f5a3aefabf6928f16d76f76d95baab2f9f7855ced5045d9dbd67297e2e21c
  7. 0x5a50655acb28ea06922c9b7e5237590ff8b011dc0621e66e87b547e1eea96375
  8. 0x15bc2840fdc711d31f8c9e141aef10bb3df248439f24d0a706195c05ac148bcd
  9. 0x192f267e109dd5199cc6815d8da47fe9caf57c9a98a433d79529a101ca711d19
  10. 0xd59efd9db013aa86250da9a9746114e4191807e34e70119d7d7cdcde2bea60fe
  11. 0xfb2bf7248df06c668bce5c2fce26586eb8982728138c40f164c1666cb3e32d7b
  12. 0x7bf2d426bb827b94d7608055662cf2e3f09791e1a4c2c6bd606c0a9e89b18e59
  13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
  14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  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