Evidence row 72832

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://crypto-market-data.zafermemon87.workers.dev/mcp"
    ]
  ],
  "name": "crypto-market-data.zafermemon87.workers.dev/mcp",
  "owner_address": "0xa41015022322640f03a895bc439da80ddfd73954",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa41015022322640f03a895bc439da80ddfd73954",
        "scheme": "exact"
      }
    ],
    "description": "Top crypto stories now from 31 sources, each with an impact score, outlet count and the price reaction afterwards. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "description": "Top crypto stories now from 31 sources, each with an impact score, outlet count and the price reaction afterwards. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged.",
            "example": {
              "limit": 2
            },
            "inputSchema": {
              "properties": {
                "limit": {
                  "description": "How many rows",
                  "maximum": 200,
                  "minimum": 1,
                  "type": "integer"
                },
                "token": {
                  "description": "One ticker, e.g. BTC",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "toolName": "news",
            "transport": "streamable-http",
            "type": "mcp"
          },
          "output": {
            "example": {
              "as_of": "2026-10-23T20:03:00+05:30",
              "charged": true,
              "data_age_s": 60,
              "engine": "data-1.0",
              "note": "Public market data, refreshed every minute. Not financial advice.",
              "plain": "Top story: \"SEC Lists Tokenization Among 2027 Examination Priorities\".",
              "price_usd": null,
              "snapshot_seal": "eb08dce6d854951431a0fb2732282227e1d954ec072422c9bfc5bee2f3ed695f",
              "stories": [
                {
                  "age_min": 19,
                  "category": "Regulation / legal",
                  "impact": 75,
                  "outlets": 3,
                  "price_already_moved_before": true,
                  "price_reaction_15m_vs_normal": -1.05,
                  "price_reaction_60m_vs_normal": null,
                  "title": "SEC Lists Tokenization Among 2027 Examination Priorities",
                  "tokens": [],
                  "tone": 0
                },
                {
                  "age_min": 100,
                  "category": "Regulation / legal",
                  "impact": 67,
                  "outlets": 3,
                  "price_already_moved_before": false,
                  "price_reaction_15m_vs_normal": -0.65,
                  "price_reaction_60m_vs_normal": 0.8,
                  "title": "Franklin Templeton Wins Nasdaq Approval to List Two Bitcoin DRIP ETFs",
                  "tokens": [
                    "BTC"
                  ],
                  "tone": 2
                }
              ],
              "tool": "news"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "description": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                },
                "inputSchema": {
                  "type": "object"
                },
                "toolName": {
                  "type": "string"
                },
                "transport": {
                  "enum": [
                    "streamable-http"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "mcp",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "toolName",
                "inputSchema"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-24T04:11:49.993Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-24T04:11:49.827Z"
    },
    "resource": "https://crypto-market-data.zafermemon87.workers.dev/mcp#news#news",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Top crypto stories now from 31 sources, each with an impact score, outlet count and the price reaction afterwards. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged."
}

What the leaf hashes

{"body":"df06c12789b57e94e4a8749390bf5a2a49bbde291ad2bd2d8c179396c8359dbc","id":72832,"kind":"listing","method":"baseline/1","observed_us":1793025486527254,"prev":null,"subject":"x402_bazaar:https://crypto-market-data.zafermemon87.workers.dev/mcp#news#news","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xc189edf75ee40aa03732c41997e4cd76736b3cd5246805f155dd3bb1fd6dd041
2. 0x4968535316b411ddf2d9ce5ecb15633119dd8619bfe4292894766869c8befe9b
3. 0xb3567ddab678470cdffa101bec6931f8c12cc1db05df8cc7d4e7bb455d5984ba
4. 0xdd1472e5f5cbd106383a80335bf8516a2a4e87e57a2c4a7a89be028a6e79199a
5. 0x09c0c62154f7bd55b98d27f66ac06645d57c58ef55d1102892353ee8f0d88be6
6. 0xf1e6f36c3ecc916b3d1a2404fc27cd695846a4c35376c7905f53ebfe3ccec3c6
7. 0xb8113d3f747cc6edcd248407696215a145c0f7eb3cd968c901c8538fc238533c
8. 0x4699fe2d0ca75cd3699ffebc31b10252a6655649f20d9eb8b95309c2e3d2b201
9. 0x99396718fe63382166132fe6ed5ac0e0fe78b2781538accb32abf3e02339163d
10. 0xca616bf13a5c5fdcd32227c93ae0cdf02d523b7d9e425f5f738ddefc7d481c99
11. 0xeab236b8d15592c4f51859e02cc12d6b7223fc6321fdb9fa89e4d5e6edc3470b
12. 0x111576180a2fecebcaf560e6b72ed8cefedaacb8c607539ece417b7465831f66
13. 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae