Evidence row 73426

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://deskfeed.dev/v1/events"
    ]
  ],
  "name": "Agent Desk API: Event Facts",
  "owner_address": "0xff0e58f29d1161e9b0f8ab80b4a0cb22764716a5",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xff0e58F29d1161E9B0f8ab80b4a0Cb22764716A5",
        "scheme": "exact"
      }
    ],
    "description": "Verified market-moving events for crypto agents: headlines categorized (liquidations, macro, regulation and more) and tagged to BTC/ETH, each with source, publisher, timestamp, original link, and a trust tier distinguishing primary official sources from aggregated headlines. Filter by symbol, category, and count. Fresh every 15 minutes.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 10,
              "symbol": "BTCUSDT"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-13T08:01:02Z",
              "availability": "AVAILABLE",
              "data_age_seconds": 12,
              "disclaimer": "Descriptive market data for informational purposes only. Not financial advice.",
              "events": [
                {
                  "article_url": "https://example.com/article",
                  "categories": [
                    "LIQUIDATION"
                  ],
                  "event_id": "E-f60f3b69a32122755ee9",
                  "published_at": "2026-10-13T07:58:00Z",
                  "publisher": "Example Publisher",
                  "symbols": [
                    "BTCUSDT"
                  ],
                  "title": "Bitcoin Falls Below $82K as $770M in Crypto Liquidations Hit",
                  "trust_tier": "AGGREGATED_UNVERIFIED"
                }
              ],
              "source_status": [
                {
                  "source_id": "federal_reserve_press",
                  "status": "PASS",
                  "trust_tier": "PRIMARY_OFFICIAL"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "description": "Filter by category (e.g. LIQUIDATION, MACRO, REGULATION)",
                      "type": "string"
                    },
                    "limit": {
                      "default": 10,
                      "description": "Max events to return",
                      "maximum": 50,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "symbol": {
                      "description": "Filter events by symbol, e.g. BTCUSDT",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "as_of": {
                      "description": "Observation time (ISO 8601 UTC)",
                      "type": "string"
                    },
                    "availability": {
                      "description": "Pipeline availability state (e.g. AVAILABLE)",
                      "type": "string"
                    },
                    "data_age_seconds": {
                      "description": "Age of upstream data in seconds",
                      "type": "integer"
                    },
                    "disclaimer": {
                      "description": "Informational-use notice",
                      "type": "string"
                    },
                    "events": {
                      "description": "Deduplicated event facts (newest first)",
                      "type": "array"
                    },
                    "source_status": {
                      "description": "Per-source ingestion status records",
                      "type": "array"
                    }
                  },
                  "required": [
                    "as_of",
                    "data_age_seconds",
                    "availability",
                    "source_status",
                    "events",
                    "disclaimer"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-23T22:35:51.706Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-23T22:35:51.42Z"
    },
    "resource": "https://deskfeed.dev/v1/events",
    "serviceName": "Agent Desk API: Event Facts",
    "tags": [
      "crypto",
      "news",
      "events",
      "sentiment",
      "macro"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Verified market-moving events for crypto agents: headlines categorized (liquidations, macro, regulation and more) and tagged to BTC/ETH, each with source, publisher, timestamp, original link, and a trust tier distinguishing primary official sources from aggregated headlines. Filter by symbol, category, and count. Fresh every 15 minutes."
}

What the leaf hashes

{"body":"1f6ecd641e2b8eb1537add6986fec759bfd36d3aefdc2fd709c3a9bf6fb91858","id":73426,"kind":"listing","method":"baseline/1","observed_us":1793025487617724,"prev":null,"subject":"x402_bazaar:https://deskfeed.dev/v1/events","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. 0x667a942a62106fbce84baaf0079d3fa6ec334f6b0f3d82177a742ba61b094b37
2. 0xeb6bee882dba208ee1558011097019d349e18459c553683c53c3a3a1673842b4
3. 0x9d3e5eacb152810f80ef46398eabd6d0f3d90ac681978086d4e8d564bfa97390
4. 0x79961ebcf91c2581723540384edf32527c90637ea929cc0711d829f181a6529a
5. 0xe09a3abf4f0bf63a4da4c0fe5ce14ca3534509eab1707829c1e0475efe32f8b9
6. 0x3e59665c570f92f99336969a5133f4c6edc6d4ecddc376ee385c11d4231328ef
7. 0x250b63fb6271e5e6e4458c11eaf6bf5689fb76be9dab474c72912eede708d2a0
8. 0x42b3cc258a9bb3450344ad4e294eda112abbe787c6d28751f3b35c0b8ff0d37a
9. 0xa7be717ed96c035130dde8d1b878492cb1e4ceb10906e8e07c1e477977f43f43
10. 0x58c0a36fd4c0b127730a3ff2bd4a0e6279da1a965147e7629a7fd4098c5fed18
11. 0x97befbe0402dae50d99027054f0d354513b22fda782f887ba0d9fae94219c296
12. 0x611b1c1b68d04a71934006e383071a8f3836400d60beb86d81dd038bc102029f
13. 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae