Evidence row 278564

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.nexismvp.com/forecast/btc"
    ]
  ],
  "name": "Kronos BTC Forecast",
  "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": "Kronos BTC price forecast (latest, from the live HUD). Experimental/informational only — not financial advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "generated_at": "2026-08-04T12:00:00Z",
              "horizon_minutes": 60,
              "interval_minutes": 5,
              "predictions": [
                {
                  "close": 64250.12,
                  "timestamp": "2026-08-04T12:05:00Z"
                },
                {
                  "close": 64310.55,
                  "timestamp": "2026-08-04T12:10:00Z"
                }
              ],
              "symbol": "BTCUSDT"
            },
            "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": {
                    "generated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "horizon_minutes": {
                      "type": "integer"
                    },
                    "interval_minutes": {
                      "type": "integer"
                    },
                    "predictions": {
                      "items": {
                        "properties": {
                          "close": {
                            "type": "number"
                          },
                          "timestamp": {
                            "format": "date-time",
                            "type": "string"
                          }
                        },
                        "required": [
                          "timestamp",
                          "close"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "symbol": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol",
                    "generated_at",
                    "predictions"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T18:08:12.732Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T18:08:11.712Z"
    },
    "resource": "https://api.nexismvp.com/forecast/btc",
    "serviceName": "Kronos BTC Forecast",
    "tags": [
      "crypto",
      "forecast",
      "bitcoin"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Kronos BTC price forecast (latest, from the live HUD). Experimental/informational only — not financial advice."
}

What the leaf hashes

{"body":"b4ef3e341122dbe7c8097115281d673fc637daae3173dfd6d26e9e7f0fbf6cc2","id":278564,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042077655620,"prev":271860,"subject":"x402_bazaar:https://api.nexismvp.com/forecast/btc","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. 0x6e7e1f28462bc6613a675b4aca67d8bbe9c0f1ab2178837ff9a727bd256ec4e5
2. 0x2c1fbbbdd235565ef3336da0900a6bcbfccc7e623836246515efe687b020af03
3. 0x839c7caa946515e295125d1f00b28d014f93cc8f9016275bc7c5a181c7f859b1
4. 0x5d31c6617e26845dc57ab3b0c6cd4008dac359be0d53b354326b0642e6afedee
5. 0x991d874379fcc4da4126879be5b2836b071a2b0371c1d904854ed3f1adb47170
6. 0x6a441aa3826b1ba16defcc75fe85a73254f05c116174cbdde475972f8616ba6f
7. 0x61f463dccdf4b0a09df39bc5c789393808b9cabb9c296b73e283a35d4eda1e98
8. 0xf7e14d55bf19f3dfdc8de6b8940b232768da8b20060e578a1a392054cc5d993f
9. 0x027bacb03f66fd117cebcfa0c93fcbed349f8cd34d7ca4b62a1550f1b51d83c1
10. 0xaee08b0a7fe6600aebc470a11e9a419553ea293db9d18d86b66fe6794f3e5b55
11. 0x3167834b22bda59442a4af0440d698d3a42612c3d6ce4e293e0fa97975320c38
12. 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae