Evidence row 527805

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.agentstools.dev/crypto/news"
    ]
  ],
  "name": "crypto-news",
  "owner_address": "0xf22e558a00d91ee12a1f50c52186fecb8ddff493",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
        "scheme": "exact"
      }
    ],
    "description": "Aggregated crypto news with sentiment: deduplicated headlines from many major crypto outlets (CoinDesk, Cointelegraph, Decrypt, Bitcoin Magazine, The Block, CryptoSlate), each scored bullish/bearish/neutral by a crypto-tuned lexicon, optionally filtered by coin or query. One call instead of polling a dozen feeds and running your own NLP.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "coin": "BTC",
              "limit": 15
            },
            "type": "http"
          },
          "output": {
            "example": {
              "attribution": "Headlines syndicated from their publishers ...",
              "coin": "BTC",
              "count": 2,
              "items": [
                {
                  "link": "https://www.coindesk.com/...",
                  "published": "Tue, 30 Jun 2026 14:32:33 +0000",
                  "sentiment": {
                    "label": "bullish",
                    "score": 0.66
                  },
                  "source": "CoinDesk",
                  "summary": "BTC climbed as inflows...",
                  "title": "Bitcoin rallies past resistance"
                }
              ],
              "query": null,
              "summary": {
                "after_dedup": 98,
                "errors": [],
                "sentiment": {
                  "breakdown": {
                    "bearish": 0,
                    "bullish": 1,
                    "neutral": 1
                  },
                  "items_scored": 2,
                  "label": "bullish",
                  "score": 0.31
                },
                "sources_failed": 0,
                "sources_ok": 6,
                "total_fetched": 120
              }
            },
            "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": {
                    "coin": {
                      "description": "Filter to a coin by ticker or name (BTC, ETH, SOL, bitcoin, ethereum, ...)",
                      "type": "string"
                    },
                    "limit": {
                      "description": "Max items to return (default 20, cap 30)",
                      "maximum": 30,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "query": {
                      "description": "Free-text filter on headline + summary (e.g. ETF, staking)",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "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": "2026-10-08T06:07:50.342Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:07:50.105Z"
    },
    "resource": "https://api.agentstools.dev/crypto/news",
    "serviceName": "crypto-news",
    "tags": [
      "crypto",
      "news",
      "sentiment",
      "bitcoin",
      "ethereum"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Aggregated crypto news with sentiment: deduplicated headlines from many major crypto outlets (CoinDesk, Cointelegraph, Decrypt, Bitcoin Magazine, The Block, CryptoSlate), each scored bullish/bearish/neutral by a crypto-tuned lexicon, optionally filtered by coin or query. One call instead of polling a dozen feeds and running your own NLP."
}

What the leaf hashes

{"body":"3aa6f754f90cd70820285b7053d9e1ed43790ff51d09fbfe2f1282991d221232","id":527805,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124859230574,"prev":64634,"subject":"x402_bazaar:https://api.agentstools.dev/crypto/news","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x0b682c6bbb82cea89fe611754f199a2f356ac92f0aad0ed5c72d968c5f1ea473
2. 0x6221919d9d94c29f1a829c3adc7d1af809adf83c84aab2d382a9a8e3db455f97
3. 0x59d15aac71c60e51b81fab8575c19acdd17339184f4a9202ab1a70768c1298bd
4. 0xb888d06965ab1fef07bb12a97b6846148253cbe552ce2858176b84eb61d7cf50
5. 0xed560e557b5a6e20baaf73fc55aec7305f70922c9e4394e3ef0bce99db274108
6. 0x91b0b9ef6ff59d6b801765a80216a8945cebe260ffc0c16ecf3d0145ebec943f
7. 0x974df2b2de768685a90773e8cf2a719f4f9fc8ac23b88bd5864bb4ba4d2aa2a4
8. 0x0214a8b5da16d62f6233d82b5f7770d0fa33559ddcbaff188837090b8418df72
9. 0x05e859de962f0f7f47bad70b465c46c44dc635c8f30bf1eb44cf18eb8d2b64d0
10. 0x3a9eaa672aaa217fe62adddaa5b74ee284a048148705ceb0d80777d7aec144a7
11. 0xab9a818db8b8604daa1d300b5336a7ecdc718ee9de04e347884c3c2ff6e455d3
12. 0x7189e38499a0d36b6f3d244260e4b1d8d20ec79407f4be030531131834122360
13. 0x74ffd6144e8464591ea30392b981f197426cfd361178829fb8a66915e2f727b0
14. 0x3e0ec8a2a8a954695a9b53a4a48a7656d7e3fd6a8795c73b49e2ef05b201ec3f
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4