Evidence row 284122

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": {
      "lastCalledAt": "2026-10-26T18:49:11.226Z"
    },
    "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":"8ab1a9c8d843f97da5a02e6e2805ad91b59cd2fcaa6b72fc820817432f7ebe15","id":284122,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793043164834947,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x403bcf6c8710a4c99135b72b905ee2386319d004e06f759e9f88ef76cab75783
2. 0xdd27caf35618573ae5df99ea1d89ad8669b9891f27451f0859268e54d897b3ac
3. 0x12e6103479de1b8fb384435f5c4a49f5620531c613df13d8587d7a8e53a8cc3c
4. 0x613136da9421f2673861ec5ada73ccb62c2272e40f3aa71bf98d016197c61f3a
5. 0xcd075998de2d279832cb255d3c75cd43c40db2b0151f652db704802278793384
6. 0xcd26d57ae26c8f0d781f55f5c6fbe4f413be5988ce6881e315ae0b7c3ed62fa7
7. 0x5bd4814ecae3b8fdfe50a72aa31c0c5565f15c0cb33c059af06767843fd3c9b0
8. 0xfc636e37f74a594a1f9b9b1d8420a56c7bb73390a77c0ecd84935db7a8a8a030
9. 0xeb1669d39966a8d4755a6ddea11313c434c7f816be10346ab058765a45cbff94
10. 0x4d366760261fa90306fab3a8c581c54f763c4071921cde42a107575598a3bf45
11. 0x6ec69a305a23b604ab679d75c3502d235953d73d9c2a74b16fb74b49af695fa0
12. 0xe2bb2a30c74e0bf16b8b75c332bdd45334d0338bef3f3022b7ea7b55718e1369
13. 0xd406739acce2ba016f8d49081b15f266a4ea4a0b0fc5ef171c89c8fd2dda4d80
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae