Evidence row 1262214

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kr-x402-mvp.kgy5612.workers.dev/crypto/stablecoin-peg"
    ]
  ],
  "name": "Crypto Microdata for Agents",
  "owner_address": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617",
        "scheme": "exact"
      }
    ],
    "description": "Is USDC / USDT / DAI / USDe holding its $1 peg, and is stablecoin liquidity growing (risk-on) or shrinking (risk-off)? Top USD stablecoins: price, peg deviation in bps, status OK|DRIFT|WARN|DEPEG, Kraken cross-check for USDT/USDC/DAI, supply + 1d/7d change, dominance, supply on Base; plus total supply flow 1d/7d/30d, verdict ALL_PEGGED|WATCH|DEPEG_ALERT and alerts. When to call: before settling or parking funds in a stablecoin, as a systemic risk-off check in a trading loop.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbols": "USDC,USDT"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "alerts": [],
              "coins": [
                {
                  "base_supply_usd": 4100000000,
                  "dominance_pct": 24.6,
                  "kraken_usd": 0.9999,
                  "peg_dev_bps": -5.2,
                  "price_usd": 0.99948,
                  "status": "OK",
                  "supply_1d_pct": 0.089,
                  "supply_7d_pct": -1.74,
                  "supply_usd": 71356496475,
                  "symbol": "USDC"
                }
              ],
              "flow_7d": {
                "pct": -0.72,
                "usd": -2100000000
              },
              "liquidity_trend": "flat",
              "sources": [
                "https://stablecoins.llama.fi",
                "https://api.kraken.com"
              ],
              "total_usd_stablecoin_supply": 290000000000,
              "updated_at": "2026-10-29T12:30:00Z",
              "verdict": "ALL_PEGGED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "symbols": {
                      "description": "Comma-separated filter, e.g. USDC,USDT",
                      "examples": [
                        "USDC,USDT",
                        "USDC"
                      ],
                      "type": "string"
                    },
                    "top": {
                      "description": "Top N by supply when no symbols (default 10)",
                      "maximum": 30,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T01:30:27.868Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T01:30:27.717Z"
    },
    "resource": "https://kr-x402-mvp.kgy5612.workers.dev/crypto/stablecoin-peg",
    "serviceName": "Crypto Microdata for Agents",
    "tags": [
      "crypto",
      "stablecoin",
      "depeg",
      "usdc",
      "usdt"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Is USDC / USDT / DAI / USDe holding its $1 peg, and is stablecoin liquidity growing (risk-on) or shrinking (risk-off)? Top USD stablecoins: price, peg deviation in bps, status OK|DRIFT|WARN|DEPEG, Kraken cross-check for USDT/USDC/DAI, supply + 1d/7d change, dominance, supply on Base; plus total supply flow 1d/7d/30d, verdict ALL_PEGGED|WATCH|DEPEG_ALERT and alerts. When to call: before settling or parking funds in a stablecoin, as a systemic risk-off check in a trading loop."
}

What the leaf hashes

{"body":"34a5bd630f599c15a8f6164710d1edb0cb98cda9c52f20dc0a3d51936352e9e6","id":1262214,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385521048393,"prev":null,"subject":"x402_bazaar:https://kr-x402-mvp.kgy5612.workers.dev/crypto/stablecoin-peg","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x83b85b53c45a38d2851fa75c5ef01c6d1d9c7ddc620377363c484b55a87725fa
2. 0x97910105239a2527c54898b7ee3a31d095fb27f804623d9fd0711feb2fd133f2
3. 0xb429533ce3d70c2cfb404a9210356222d59a5f879e9b68a9ba2b501d793ff512
4. 0x2a1088bf8b71f38eaae55c5780954ec06de3041bc0c07c6037e2937a0ec3b808
5. 0x57d318c64170d9572397763dc276107dcbe9f5ed0fc2e1be77e6e41d5ea97478
6. 0xccf6b996da28880101539ef357bed6e68eaae8b7aba703a38d7e260546053509
7. 0x27a6b5a3d091c6d32fde185285fea4f23aa4530a4d99a469eca8aab2fc5710c6
8. 0xd1510b323cc89769a1f6fe309a79a80e0e1dbf25392154447bf25389fa651d1b
9. 0xcaf56e76e2f7ab9fa20e92de721b300229a96874aee510e7ce41b4f1582697bb
10. 0x598b76d83bf7ea5c6ad2f525e2e060ebe3399879ca9a9b80af8e7b1c22732d0b
11. 0x3f63b57306974187361ea699dac86a710c014d91db455a7f31e16501393593e6
12. 0x3fda44266f33f938abb4c3f75f83f56dd1b0545d3789ad1e234bd9d234d925e0
13. 0x386dbe0266e62db019a818ac71a5b2e72b65071ce2bcd7f64efaa40322e5f002
14. 0x2cc23d59d659d5b819934005bab57d036b04ff4c8b701cb0e274c40aaddb2d51
15. 0x235114e50a987e65d728b9ef8b5978846cd7c01f22effc55dd604c388ce359ec
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861