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Evidence row 120501

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/predictions/search
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
20e070f592702104cbeb573a16ca4768f2bd68aca7776e03b6fb4701a750a77b
Leaf
0xc829d5522fd1da2d006b81b1321e294718bd2549daea5ebdc10e1944430b350e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/predictions/search"
    ]
  ],
  "name": "Saylor Innovations Prediction Ma",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:predictions:search:search",
          "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:predictions:search:search",
          "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:predictions:search:search",
          "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:predictions:search:search",
          "reference": "4jc81kAf5LQvz87UnzX5AjXXPcBXvfBJh2b4BCDdNYWu",
          "session": "eyJhcnRpY2xlSWQiOiJwcmVkaWN0aW9uczpzZWFyY2g6c2VhcmNoIiwicmVmZXJlbmNlIjoiNGpjODFrQWY1TFF2ejg3VW56WDVBalhYUGNCWHZmQkpoMmI0QkNEZE5ZV3UiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ3MjI2NzA3NH0.0EE0_xWI_UTDQAMzYrULsZ7tdGAb9RckGtzd84Povwk"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:predictions:search:search",
          "reference": "7QG8ru5UPX3YLkeeFU1n1krMicsqCxRhSZmKrTE4ZJSD",
          "session": "eyJhcnRpY2xlSWQiOiJwcmVkaWN0aW9uczpzZWFyY2g6c2VhcmNoIiwicmVmZXJlbmNlIjoiN1FHOHJ1NVVQWDNZTGtlZUZVMW4xa3JNaWNzcUN4UmhTWm1LclRFNFpKU0QiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ3MjI2NzA3NH0.gAxbS1RD53toLH0PKloxTQ0A6TXkEne8Cm-J_2Rp0m8"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92301",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:predictions:search:search",
          "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": "95156",
          "reference": "HXkeV3FeGNUwd5ae8iGFxdpskPceqZ5dafBo9ewxZoFS",
          "session": "eyJhcnRpY2xlSWQiOiJwcmVkaWN0aW9uczpzZWFyY2g6c2VhcmNoIiwicmVmZXJlbmNlIjoiSFhrZVYzRmVHTlV3ZDVhZThpR0Z4ZHBza1BjZXFaNWRhZkJvOWV3eFpvRlMiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTIzMDEsImV4cCI6MTc5MjQ3MjI2NzA3NH0.qAouVIfVEcoBNxVsBKHumcNVPsTtBRGOrjoC347lIJ0",
          "solUsdPrice": 105.09
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Prediction market odds search across Polymarket and Kalshi - implied probabilities, volume and close time",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "bitcoin"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "events": [
                {
                  "category": null,
                  "closes_at": "2026-09-30T23:59:00Z",
                  "id": "what-price-will-bitcoin-hit-in-september-2026",
                  "markets": [
                    {
                      "best_ask": 0.08,
                      "best_bid": 0.06,
                      "liquidity_usd": 45000,
                      "outcomes": [
                        {
                          "name": "Yes",
                          "probability": 0.07
                        },
                        {
                          "name": "No",
                          "probability": 0.93
                        }
                      ],
                      "question": "Will Bitcoin reach $100,000 in September?",
                      "volume_24h_usd": 120000
                    }
                  ],
                  "platform": "polymarket",
                  "title": "What price will Bitcoin hit in September?",
                  "url": "https://polymarket.com/event/what-price-will-bitcoin-hit-in-september-2026",
                  "volume_24h_usd": 891236
                }
              ],
              "query": "bitcoin"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "q": {
                      "description": "search text, e.g. bitcoin, election, fed rate (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "count": {
                      "description": "Number of items returned",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "events": {
                      "description": "List of events",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "platform": {
                      "description": "Platform name",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "query": {
                      "description": "The query as the server interpreted it",
                      "type": "string"
                    },
                    "sources_failed": {
                      "description": "Data sources that did not answer; empty when all answered",
                      "type": [
                        "array",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "query",
                    "events"
                  ],
                  "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": "2026-10-20T04:55:47.12Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T04:55:46.809Z"
    },
    "resource": "https://saylorinnovations.com/api/predictions/search",
    "serviceName": "Saylor Innovations Prediction Ma",
    "tags": [
      "prediction-markets",
      "polymarket",
      "kalshi",
      "search"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Prediction market odds search across Polymarket and Kalshi - implied probabilities, volume and close time"
}

What the leaf hashes

{"body":"20e070f592702104cbeb573a16ca4768f2bd68aca7776e03b6fb4701a750a77b","id":120501,"kind":"listing","method":"baseline/1","observed_us":1793025618156439,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/predictions/search","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. 0xc829cbc8a50b3494d48d58ac122e7252ee1e45fa172dd644910cd360370088f1
  2. 0xa747779a494fd6fd87b4c8fb9a054434ab74a7e5c28e74547e07931ff8c17527
  3. 0x4f98d640114b872fb7f0949b066782d7ee92a2a66cec623a6d12d1758a55bba1
  4. 0x030652e5ff5f7b8227f3f09fd9b9e8d8cbbf7e900783614cd220e9668db325e4
  5. 0x5eb1084f44a59934d5cb5212ecbbb07291087a9d1643f211b101d0300adf6bbb
  6. 0x912b47be0adc5fdaf9e50e8782615ff772f055139c022ea94a71a82f3553ac2e
  7. 0x593dbcfa5ef8fea2372c534737a0723ca90cd00ca9e9dbea90aab0118b7dc845
  8. 0x9871204d5b6ab9d041c9093b0297517bb47bce11119288a0f740443232971c74
  9. 0x469a34c3c97adfe074d09a0783fee6072aec7957eb78f6ee3e2dfb639a2ffb62
  10. 0x675ae978905879f96dab2ece83376d01eb27968f2044719307dbc7f840ae0cec
  11. 0xac575d7ca8c3c7e88957908dda0517fbb35f0894886bb91a97cff3aa71fa23e9
  12. 0xde09984239f27618a13932caf48f5d39831fc5021500b0581dce0dabd570bd6e
  13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
  14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
  15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  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