Evidence row 3066978

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://predict.memoryapi.org/x402/predict/platform_arb"
    ]
  ],
  "name": "predict.memoryapi.org/x402/predict/platform_arb",
  "owner_address": "0x24facafeb49b4e3facf0b3e69604a2f4640c9bf2",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x24FAcafEB49b4e3FACF0B3e69604A2F4640c9bf2",
        "scheme": "exact"
      }
    ],
    "description": "Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "Cross-platform prediction market arbitrage. Fuzzy-matches events and detects mispricings.",
          "iconUrl": "https://memoryapi.org/icon.png",
          "input": {
            "method": "GET",
            "schema": {
              "properties": {},
              "required": []
            },
            "type": "http"
          },
          "output": {
            "example": {
              "arb_opportunities": 2,
              "pairs": [
                {
                  "event_topic": "event words",
                  "signal": "ARB",
                  "spread_pct": 5.2
                }
              ],
              "success": true
            }
          },
          "serviceName": "MemoryAPI Predict",
          "tags": [
            "prediction",
            "markets",
            "trading"
          ]
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    },
    "lastUpdated": "2026-11-04T04:39:26.662Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-04T04:39:26.462Z"
    },
    "resource": "https://predict.memoryapi.org/x402/predict/platform_arb",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find prediction market arbitrage across Polymarket, Kalshi, and Manifold."
}

What the leaf hashes

{"body":"e1dcc69f26cc4e68c039e38d462e99d9402ae2be491f5b98601fc3a898f94091","id":3066978,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822393723177,"prev":1263149,"subject":"x402_bazaar:https://predict.memoryapi.org/x402/predict/platform_arb","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x94fd421757c66f00c343f9d24e2bc2f45bccbd06c0923a86faacd8d6c9988aad
2. 0xdd1e7005212b18ec62b370a9088e1c7fbabc4c808824bac4a2f56d36e72fe0b8
3. 0x422dfa571a5da49cba2981316d150881ae8517bd094de392ba4a1c347a45ba45
4. 0x7d50bac53428d224344934c47d575cd93012b0a899663bb979d21dc986512f19
5. 0xdd89076f49a78ee2e8c5d47bd951759ad43874fc21dd5c5002069e1041906d9f
6. 0xbcbafad0204cf1eb5933be1c3b7c50d9da1e14c41a1dcf85c9a5ef2bc277ef3a
7. 0x250dafce8c96c77f5567d9747e4eae3282b006fe746f5d015bf120430bd8563e
8. 0xbf1ea1a99b2f52355d2e50ec7d5e07eced6600216c7242245e4378f203ca55e9
9. 0x7aa023d10e427dd7af3c1e3f09e9aa82f98920bef4fe143f349ab9abebd278ed
10. 0x7c70f33c93eea3942775d2af6cdc510ea78f4fe03d2fd7d034fb44981b1f4726
11. 0xce8e4030d18711e74087d3ae61b1640907c31fe33ba3cf2edcbd49bc18bb32f4
12. 0x32dbd4127f853e11709d056a8ac16017a9d69eb1e3692bc429431367bbe2c888
13. 0xddd9fefbcb8feccc6b8816c027215504869d88525cba5ddd54428b6a30b8a9b9
14. 0xfe32433fc05c44d98e3005b6e487e2a2ec83c2cb3d472d4110f101e7fbe88f06
15. 0xcce6f2f7e4f40c7f768552ae3da9c9aed1be84ca300fbff8a25083a9399680f9
16. 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345