Evidence row 792211

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-v2-mint-pbdb-occs.vercel.app/v1/pbdb-occs"
    ]
  ],
  "name": "x402-v2-mint-pbdb-occs.vercel.app/v1/pbdb-occs",
  "owner_address": "0xc22f9caebac37fe72d5142f35f21f6696ea9ef69",
  "raw": {
    "accepts": [
      {
        "amount": "20153",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69",
        "scheme": "exact"
      }
    ],
    "description": "Paleobiology Database fossil occurrences list (keyless). POST {taxon_name} (+ optional limit). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. New paleobiology vertical; light disclose macrostrat-geologic (geo defs ≠ PBDB occs).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "request_id": "discover-probe"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "charged": true,
              "ok": true,
              "skill": "pbdb-occs",
              "summary": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "limit": {
                      "type": [
                        "integer",
                        "string"
                      ]
                    },
                    "request_id": {
                      "type": "string"
                    },
                    "taxon_name": {
                      "maxLength": 128,
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T17:15:46.151Z",
    "quality": {
      "lastCalledAt": "2026-10-28T17:15:46.151Z"
    },
    "resource": "https://x402-v2-mint-pbdb-occs.vercel.app/v1/pbdb-occs",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Paleobiology Database fossil occurrences list (keyless). POST {taxon_name} (+ optional limit). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. New paleobiology vertical; light disclose macrostrat-geologic (geo defs ≠ PBDB occs)."
}

What the leaf hashes

{"body":"da3eb07c5b5306454ea09a52f633ea2be2db05fc15ab0b9452a502f10b26a2c2","id":792211,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211812497056,"prev":null,"subject":"x402_bazaar:https://x402-v2-mint-pbdb-occs.vercel.app/v1/pbdb-occs","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xa6e8fe10f640d445864b97aba55a6dd39ee0e2c647b86a68e12df42059512711
2. 0x193793e70c6bebfa1708067fc1e1386db36ebc1a9c8940e43b2c6f317999265c
3. 0x6daffa986008ad0ff3ac95ce95a3f96f970238c8084ebeaea5b24ad75ebce255
4. 0x7f54b0ade937dca98b701a335615bf2d80587e97d410a6ee8eef17290ffc8372
5. 0x827877c4a68c125f18ca245dc1ac6c1dd5f9c09f8dfdf38e71c1a9b47b9c4126
6. 0xed2296b74cced15dca66c0c8bb2039eced9bd91ab5bc3387755ab994823f1781
7. 0xe8d9c99ecc7552477f5a41714b73140f2ab968a60586add3b0fee25d94f0af8b
8. 0xd64346123741f9913a15bb70d4376aee6bd5d448ce2b97c839749e926835aa61
9. 0xa0363ec6b73240ba39e0db337f659f75a667417026ccc228ebf3abe489b33276
10. 0x1462cd1cbbc2f7e7e1e5502885f58199c4a768a6775115f89d5ffb21392d06d0
11. 0x0ef5a84eb9ef9c36fdfd7aef254e503a1881d71abefacc2f92a6e6d8302b3db3
12. 0xe5d51c9aa3c14e4c7b57606d58c74de94b65d308e5aceacb82e415d83f1e2fe1
13. 0xb5454b2881dcf5871db87f595c9d60eba5c4fd664d097bbcb5ca16283b093246
14. 0x518f746edef7675640c92fbe2c056392702ec8f1ebbb6ede597bd5f7c0c5aea1
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae