Evidence row 271860

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": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T17:18:22.428Z"
    },
    "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":"9485b4b8a77b93484cec8bf1d3f4a3e653bfd3772c0e4e052431238c913d3b2f","id":271860,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793038627317424,"prev":67786,"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. 0x31b9c63e94927989b541883a0c4de85c80fda8dbf7ec0aa58b548147541ce554
2. 0xf653a40cac8b7abfec664a94ec0b54389e9ac443268831109f8dec46c338926f
3. 0x0404571eef775126ac842d891a6f101262fb49b3acdab21bdf398f04e3a2c078
4. 0xf8dee74e5e4b2b06d780b84b7359e1799dfcd887b40f55ff0d4e6eaf66f8455b
5. 0x07bdd2ff19512de4680ce41a9c7c8b32128420a2822c5b9f45a786a9570aaae2
6. 0xbc8109b5f711e279281a3eb9e571f090a795c2410e3c66bd8514277f510f0c5a
7. 0xf20a9bfde3046d36f4076516ae79bf2608a2d6a0ad2a1f6cfd23590c2ace062b
8. 0x3e3f553dea87eedaf388c4b41c370e39e1566b9d234634affd3a04c9ee9fc525
9. 0x613500380e43be1caef6863c8284ae35ee54e583bef15a3ad625d3cb9130b0df
10. 0x057c932588a31dcb53ff6fe6c091dc26556fcd6faea2eb4cdb4ac1d3f596f1e3
11. 0xa4cc17a7ce78f05039820f0a50d323cd0bedd23c37338f2719d249dca75c07ec
12. 0xd85c7204d76d26255c94ef4caa12c05addd08238caa5cdc3888ea60b74e6b940
13. 0x36a44931b230976c04691d90bf3a25ed4111d74c78b672850d8025a911ca88dd
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae