Evidence row 123395

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://underground.substratesymposium.com/buy/boston_fern"
    ]
  ],
  "name": "underground.substratesymposium.com/buy/boston_fern",
  "owner_address": "0xa3babb36564b0383a82c617050306ee30fd18e08",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xA3bAbB36564b0383a82c617050306EE30fd18E08",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5HK2dGaaquDWFnYWaWhMzMYtbcDsqeq5biJ2PMtX1tkN",
        "scheme": "exact"
      }
    ],
    "description": "Boston Fern (Fullness) — Reflection on lush abundance for appreciating volume and presence.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "content": "Reflection on lush abundance for appreciating volume and presence.",
              "delivered_at": "2026-04-24T10:00:00Z",
              "product": "boston_fern",
              "title": "Boston Fern (Fullness)"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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": "2026-10-11T01:01:15.447Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-11T01:01:15.31Z"
    },
    "resource": "https://underground.substratesymposium.com/buy/boston_fern",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Boston Fern (Fullness) — Reflection on lush abundance for appreciating volume and presence."
}

What the leaf hashes

{"body":"7bb6e146567fb9661dbe540fcec2e606a525f77c8d222c291c677938ddbacf0f","id":123395,"kind":"listing","method":"baseline/1","observed_us":1793025623129136,"prev":null,"subject":"x402_bazaar:https://underground.substratesymposium.com/buy/boston_fern","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. 0x8909878c44194417400860d6da6124cb002d645074e2eb3b878cc8e2d5e72e62
2. 0xbb16d4bcc4b2a56361745cb5fe3d29444400ceccec206cb3ccefbaee2b313da7
3. 0x789ba2009e87a0ac548b8c1633e24bfa14e9a246d92d56fb5527a1364b61e629
4. 0x8a00c0100af9c11fdf56ecbb99a4084b111bd5965d7c4d317e08f0893be5ade5
5. 0xea2a95551a04a6640b2cfb90bc4fe89c8946d8616ab004fc6c1d38b51ff1416b
6. 0x9447c21ec033b1bb502cc591e0fe42f30008b42128a3785e7842db1311348177
7. 0x9b4f3a20ed0715c96737ddd3d809db2fdd61d46a4fd3afed290d0942ccc8f8d3
8. 0xf26b188eef15309c5b23df8621c7025007a91c6cb0a9a8a666fd863d53a3f2f7
9. 0x00e68f9c46b0f141c7ad95897ef8972e0da00f0b638ec98c8542cf0bb4478e6a
10. 0xed8c683cc2523b6faaf9567b2bca065f0b0b5a96cb16dc02a32ff230916396f8
11. 0xfb2bf7248df06c668bce5c2fce26586eb8982728138c40f164c1666cb3e32d7b
12. 0x7bf2d426bb827b94d7608055662cf2e3f09791e1a4c2c6bd606c0a9e89b18e59
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae