Evidence row 123324

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://twin.unykorn.org/web/page-meta
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: d7c33fd73a581568b39ef8dec2e7a0c5ac2e7ed951f2883555bb24881d254c54
Leaf: 0xca588fcc69157d237a9b9b7e74a850311af3c28dedfe57cc3d332843958b2a06

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://twin.unykorn.org/web/page-meta"
    ]
  ],
  "name": "twin.unykorn.org/web/page-meta",
  "owner_address": "0x7d9a65d06dcc435a52d5880c6310bd6e96c156db",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
        "scheme": "exact"
      }
    ],
    "description": "Page metadata: Open Graph, Twitter card, canonical, feeds, JSON-LD types, language — Genesis402 / UnyKorn Operator Network",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "params": {
                "url": "https://www.coinbase.com/blog"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "evidence_hash": "sha256:<64hex>",
              "generated_at": "<iso time>",
              "limitations": "<text>",
              "ok": true,
              "receipt": {
                "amount_usd": 0.003,
                "receipt_id": "g402-<16hex>",
                "tx_hash": "0x<64hex>"
              },
              "sources": [
                {
                  "name": "<source>",
                  "ok": true
                }
              ],
              "type": "page-meta"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "params": {
                      "properties": {
                        "url": {
                          "description": "public URL",
                          "type": "string"
                        }
                      },
                      "required": [
                        "url"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "params"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-06T07:30:57.694Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-06T07:30:57.588Z"
    },
    "resource": "https://twin.unykorn.org/web/page-meta",
    "tags": [
      "seo",
      "open graph",
      "link preview",
      "metadata",
      "infra"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Page metadata: Open Graph, Twitter card, canonical, feeds, JSON-LD types, language — Genesis402 / UnyKorn Operator Network"
}

What the leaf hashes

{"body":"d7c33fd73a581568b39ef8dec2e7a0c5ac2e7ed951f2883555bb24881d254c54","id":123324,"kind":"listing","method":"baseline/1","observed_us":1793025623039059,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/web/page-meta","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).

0xca589d4f3808ba4ec0cdb08c4838dc4480d54775cee275cacf7bc57fa66d8ddb
0x1705e5c69e477850fab76f01213deea289655392891df9d4fc6e3030d42df1a2
0x6a80a982d4ffee039939da3c2757cfda3ea6985a9d7c8be00a271946a035dec7
0xd1317d31cea085339367fad47e57f1fca90b6585b6ce1815055dfc733cd178a7
0xfdfc68c346f99db8df4c9f8c24a45ea70f48d847615b1b477617f73c0f76a6f6
0x6978cf6860f64b0a1aec735b4d3949a1fb2a3759d9a3e77c66b326d384ff38a6
0x80d7d18ee7d935ce63a1a6da6dab9effa4120aafdef3ebe3f733cf73726d98cc
0x1f228369ca8b5ab7ca82bbede8198125950890bae9667d26e3ca32d71a884e8e
0x84c18545062b687138a04ec6d5fb8d6b69f1f2850e8516717a683b9a013fe369
0x4719c0a12991c8bf3ab50d032063f99f5636d69b18a7979b929637b7b4ffd483
0x60eabf7e1a3db5892c30621c19c096fd56eb4ad1f2ace810471d00503c868d2b
0x02a11c0460d1a42b6246e1c715f0c3098d82c39154a56e918e2c22b56ca2c978
0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON