Evidence row 407834

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.nexismvp.com/market/regime"
    ]
  ],
  "name": "Kronos BTC Regime Indicator",
  "owner_address": "0x3b59f268ebc38c5f43b8b9be37238bf43378ad87",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x3B59f268EbC38c5F43B8B9bE37238bf43378Ad87",
        "scheme": "exact"
      }
    ],
    "description": "Real-time BTC volatility/regime indicator (calm or volatile), computed from live Coinbase market data against a backtested threshold. Experimental/informational only — not financial advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "realized_volatility": 0.000914,
              "regime": "volatile",
              "symbol": "BTCUSDT",
              "threshold": 0.000862
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "realized_volatility": {
                      "type": "number"
                    },
                    "regime": {
                      "enum": [
                        "calm",
                        "volatile"
                      ],
                      "type": "string"
                    },
                    "symbol": {
                      "type": "string"
                    },
                    "threshold": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "symbol",
                    "realized_volatility",
                    "regime",
                    "threshold"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T18:49:11.226Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T18:49:10.699Z"
    },
    "resource": "https://api.nexismvp.com/market/regime",
    "serviceName": "Kronos BTC Regime Indicator",
    "tags": [
      "crypto",
      "volatility",
      "bitcoin",
      "regime"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time BTC volatility/regime indicator (calm or volatile), computed from live Coinbase market data against a backtested threshold. Experimental/informational only — not financial advice."
}

What the leaf hashes

{"body":"3232e749e221ec8c3648c5d404783d91a640d48f0afabdc6c7813e5bb8d254c1","id":407834,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080252593388,"prev":284122,"subject":"x402_bazaar:https://api.nexismvp.com/market/regime","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x84082d156e99bf91bb718f6a471a584f35c5a3a0b7ac68b21a0fbdd0dcf354c0
2. 0xadb806cd2708d7ac57b3b49599f63c0ffe6c0dcdcebd68d4e8342f2fe2a77ecb
3. 0xb2912118b83aaf536affb133a82b38b8476231d07a22c9548aa561dd81d54cc7
4. 0x97116a7447cbc6003825679357ed58db7d9484551f2c723f03123a55231b5902
5. 0x05e0e87a2384da8de5ee5edb6524bc4a4769eae97488cf8fcafd6c0f7164b249
6. 0xbcc1a53ab2a89ec611fc0bb7329355b4e7f146ffffe9cc434de27bda462d2ca8
7. 0x89bece724270596596c8b7a3566d4ee8273f3877bfb59f4ed616c08e9c168fa4
8. 0x9117143cedd6f8174d109f06760404dbacce541cd9b952cb420c7972ad209b51
9. 0xc62d45af396798e4fa018bad6518ab7c6571b5d21bfec956a3ca270343bafff5
10. 0xb194ac9fe5c6baeb55dea01d06c11d4115ee94a3b4c79863aefd9b339513c47a
11. 0xad994cee2d6f21e3bdb657e22472462ec0aaf283ebff1e0bba45d6f624c7e640
12. 0xfe1f74bbe32292598f931fa103e4afbd12a8e628c1b49eb8ec0da417a917061f
13. 0x07d414626f116f3edc6ddb34183ed02538c3a805fec6db00f9d764f8fd595d04
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4