Evidence row 278546

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.blockchainiq.co/api/x402/v1/brief"
    ]
  ],
  "name": "Crypto Market Brief for Agents",
  "owner_address": "0x617da9383fba67e86137bc4924b8b7e400fb7c9e",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x617dA9383fbA67e86137BC4924b8b7E400fB7C9e",
        "scheme": "exact"
      }
    ],
    "description": "Market brief in one parameter-free call: BTC, ETH, SOL and XRP prices with 24h, 7d and 30d moves and rank, scheduled macro and crypto events in the next 48 hours, and short risk flags. Use as the opening call of a trading, portfolio or research agent loop. Refreshed every minute. JSON, no API key. $0.01 per call. Blockchain IQ.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "asOf": "2026-10-10T07:10:24.000Z",
                "coins": [
                  {
                    "change24h": 0.21,
                    "change30d": -8.7,
                    "change7d": -4.1,
                    "coinId": "bitcoin",
                    "marketCapRank": 1,
                    "price": 82655,
                    "symbol": "btc"
                  }
                ],
                "events": [
                  {
                    "category": "Macro",
                    "date": "2026-10-10",
                    "importance": 3,
                    "time": "08:30",
                    "title": "Producer Price Index (PPI)"
                  }
                ],
                "flags": [
                  "1 high-importance event in the next 48h: Producer Price Index (PPI) (2026-10-10 08:30 ET)"
                ]
              },
              "disclaimer": "Market data and analysis, not investment advice.",
              "eventCount": 1,
              "flagCount": 1,
              "source": "Blockchain IQ",
              "terms": "https://www.blockchainiq.co/terms"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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": "2026-10-26T18:27:42.242Z",
    "quality": {
      "l30DaysTotalCalls": 15,
      "l30DaysUniquePayers": 9,
      "lastCalledAt": "2026-10-26T11:55:04.742Z"
    },
    "resource": "https://www.blockchainiq.co/api/x402/v1/brief",
    "serviceName": "Crypto Market Brief for Agents",
    "tags": [
      "crypto",
      "market-brief",
      "event-risk",
      "macro",
      "trading"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Market brief in one parameter-free call: BTC, ETH, SOL and XRP prices with 24h, 7d and 30d moves and rank, scheduled macro and crypto events in the next 48 hours, and short risk flags. Use as the opening call of a trading, portfolio or research agent loop. Refreshed every minute. JSON, no API key. $0.01 per call. Blockchain IQ."
}

What the leaf hashes

{"body":"032148193c3b989e32519ab9e1152e660b3a77f5b978001467f18441d0c56198","id":278546,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042077597960,"prev":17054,"subject":"x402_bazaar:https://www.blockchainiq.co/api/x402/v1/brief","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. 0x440e8b911e01bca8b5c5d0050f48b8f92f12c4af82b730f79a6b2fa7c0ec4feb
2. 0x1a4896c3011aae823dc05cbc189c629f9c38b65982ce7279b2e554bcfef3f950
3. 0x530e0df5df95047ae9dd3b66d16457849eccc6e30cbafa1f50e801275c38c8f8
4. 0xd4733469a8773a4c26300436b58e11af6c72b93a54cf2e98318e904211347fe4
5. 0xda26a911d616d8318dabe9ae8f219a81cd9a4eaa39b8165bd3f8f5100da2e487
6. 0x50c922299c8f3842e946a0f183ef252e0043175434b787e9991a9abb32febcd2
7. 0x8615f8ef519f5d173b3e62d616346cba8177c17e4a8162417d507fd42de4f23a
8. 0x65683194bbaa775fec19af098e2949dc61ec27f657c1a6fbff21418049464838
9. 0x7548a06d81eec6f7a871b0f5e95a2a8ef0b7cb2bad9381bfc2356cf67b2e5859
10. 0x1dc09c8e92168e3a1cdf1a0e953982ca9207934a0dfce256095416cf4102fbce
11. 0x60b91f773fa3c91ef752edc3e72b14aec43590de73fb46a458b7100f8e74b4a7
12. 0x2b1b47804e83988d7fd5ed8179b2334f3f43b318109b54142f6c6bd749076f9e
13. 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae