Evidence row 71521

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://bess-x402.onrender.com/v1/crypto/news
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 49f3de99a1803407cedecf43bac3b0c48cd88a9944b87f6b4412ac2948509ca3
Leaf: 0x03b6dc52906560b782a7131e313facdbcfdcde3e2f2c8637d1cc8c787b62c03d

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/crypto/news"
    ]
  ],
  "name": "Crypto News",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "Latest crypto news from CoinDesk, Cointelegraph, Decrypt and The Block in one feed, newest first, with title, link, time, summary and tags; filter by keyword or coin (BTC, ETH, SOL, ETF, Base). Use to explain a price move, brief a trader or monitor a project.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 5,
              "q": "ETH"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "articles": [
                {
                  "published": "2026-10-22T00:00:00+00:00",
                  "source": "The Block",
                  "title": "Aerodrome and Velodrome merge to launch Aero",
                  "url": "https://www.theblock.co/news/..."
                }
              ],
              "count": 1
            },
            "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": {
                    "limit": {
                      "description": "1-100, default 20",
                      "type": "integer"
                    },
                    "q": {
                      "description": "Keywords or coin symbols, e.g. ETH or 'stablecoin ETF'",
                      "type": "string"
                    },
                    "source": {
                      "description": "CoinDesk, Cointelegraph, Decrypt or The Block",
                      "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": "2026-10-23T10:21:23.119Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T10:21:22.901Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/crypto/news",
    "serviceName": "Crypto News",
    "tags": [
      "crypto",
      "news",
      "bitcoin",
      "ethereum",
      "headlines"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Latest crypto news from CoinDesk, Cointelegraph, Decrypt and The Block in one feed, newest first, with title, link, time, summary and tags; filter by keyword or coin (BTC, ETH, SOL, ETF, Base). Use to explain a price move, brief a trader or monitor a project."
}

What the leaf hashes

{"body":"49f3de99a1803407cedecf43bac3b0c48cd88a9944b87f6b4412ac2948509ca3","id":71521,"kind":"listing","method":"baseline/1","observed_us":1793025482866834,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/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 2026-10-26 (296695 rows).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON