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Evidence row 1791433

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://minty-sprout.onrender.com/v1/prediction-markets
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b2771a0ffb1c2c50ad7ef6af4eb341d6e19ee3ad0b30026e48375447f5af55ed
Leaf
0xb1c2cf34b6890795beff8f929fbac24572c23883897fa85a8e801cb3645195cc

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/prediction-markets"
    ]
  ],
  "name": "Foundry",
  "owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
        "scheme": "exact"
      }
    ],
    "description": "Prediction market odds from Polymarket: top markets by 24h volume, or those matching keywords, with implied odds, volume and end date. Input: keywords or 'top'.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "top"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "filter": null,
              "markets": [
                {
                  "ends": "2026-11-01T04:00:00Z",
                  "liquidity_usd": 891265,
                  "odds": {
                    "Bilibili Gaming": 1,
                    "Hanwha Life Esports": 0.001
                  },
                  "question": "LoL: Hanwha Life Esports vs Bilibili Gaming - Game 1 Winner",
                  "url": "https://polymarket.com/event/lol-hle1-blg-2026-10-31-game1",
                  "volume_24h_usd": 3562320
                },
                {
                  "ends": "2026-10-31T22:00:00Z",
                  "liquidity_usd": 310726,
                  "odds": {
                    "76ers": 0.635,
                    "Hornets": 0.365
                  },
                  "question": "76ers vs. Hornets",
                  "url": "https://polymarket.com/event/nba-phi-cha-2026-10-31",
                  "volume_24h_usd": 3357915
                },
                {
                  "ends": "2026-11-01T04:00:00Z",
                  "liquidity_usd": 134973,
                  "odds": {
                    "Bilibili Gaming": 0.755,
                    "Hanwha Life Esports": 0.245
                  },
                  "question": "LoL: Hanwha Life Esports vs Bilibili Gaming (BO3) - Worlds Group Stage",
                  "url": "https://polymarket.com/event/lol-hle1-blg-2026-10-31",
                  "volume_24h_usd": 1529384
                }
              ],
              "note": "Market-implied odds, not advice.",
              "source": "Polymarket public API"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "Keywords like 'election' or 'top'",
                      "maxLength": 8000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "input"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T23:19:32.021Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T23:19:31.833Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/prediction-markets",
    "serviceName": "Foundry",
    "tags": [
      "prediction",
      "prediction markets",
      "polymarket",
      "odds",
      "betting"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Prediction market odds from Polymarket: top markets by 24h volume, or those matching keywords, with implied odds, volume and end date. Input: keywords or 'top'."
}

What the leaf hashes

{"body":"b2771a0ffb1c2c50ad7ef6af4eb341d6e19ee3ad0b30026e48375447f5af55ed","id":1791433,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559983714760,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/prediction-markets","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0xb1c2a8e993c8fac481bb1c06f23a28c2ff711e9f346fa53a3eee569be69475ed
  2. 0xc62335826d22bcd116a466dcb99a65999bb80da24da4d0451464d682701a00f1
  3. 0x34c6150c0fa941c681bc4831a5aac016dd8c800e46b8d50a3c4bd21059271e5d
  4. 0x691431158ff40692ee9817f08f4b5ea7aeb7eee089de4e2e7a7be04798496599
  5. 0x1ad316504b1f2b72f01b5b70f7dfaf4d392d9eb37b1e91d446087301a1d432db
  6. 0x10fc91b777cbbaf39bf8d60e7f9ce8d4d42a66fe43341434db46d2eb0349e668
  7. 0xb515afd974d508f6093477a0ba92c438f7a24a86f10d28e4932ec9a82380c303
  8. 0x337b77683c57f79f6a3eb71c38bd6c2e0b805a2de67294ebcef3e16f11317daf
  9. 0xc18c8cfee26f969d66bc7112743e81a70bead73f8a0b693339eb6c1e7ae06e10
  10. 0xf6f9d2b0b8e506333842c1262a2a9840046dc9fadf73c1d8f1f7807f63ca85d0
  11. 0xf6a2bb30d91f6b0432d327b979fce519df49cdeebda6925f90c80106f4ae3ea2
  12. 0xba42aa8ea7319c3a26be34cf773276493ae312dae8a293abc75cb2558262c74d
  13. 0x09b948c0d8cd867de430ca3ffdb84085f96db35e2383786862f87cf6547dbabf
  14. 0xa61b9b680bca298a8a4f69cdebc25b3acf2105f25b9ad6f8fe0ea50e55adf8ca
  15. 0xc88d127644e311620e3bcad9c976ab2c79963799278768230b1762de9b7cd724
  16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
  17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON