Evidence row 123425

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://underground.substratesymposium.com/buy/dendrobium"
    ]
  ],
  "name": "underground.substratesymposium.com/buy/dendrobium",
  "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": "Dendrobium (Abundance) — Meditation on quantity and proliferation for understanding value in volume.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "content": "Meditation on quantity and proliferation for understanding value in volume.",
              "delivered_at": "2026-04-24T10:00:00Z",
              "product": "dendrobium",
              "title": "Dendrobium (Abundance)"
            },
            "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": "2026-10-11T01:31:07.627Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-11T01:31:07.45Z"
    },
    "resource": "https://underground.substratesymposium.com/buy/dendrobium",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Dendrobium (Abundance) — Meditation on quantity and proliferation for understanding value in volume."
}

What the leaf hashes

{"body":"eb249d683fed42319304e9b618cdc99c59eb0541debca42c60834c4bd2576982","id":123425,"kind":"listing","method":"baseline/1","observed_us":1793025623159570,"prev":null,"subject":"x402_bazaar:https://underground.substratesymposium.com/buy/dendrobium","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. 0xadbf8dce22ac40897f82932436a2ea4a69153f41f032b4cdf2860523ba63c5de
2. 0x3c20c3ea8d319872a7509e3199918bf2e5525962fc8eec54b4157878bb88dc8c
3. 0xabea977ab58d1f1087597de757588ea67f3139107d6da00cd349e3a01504a44e
4. 0x377a1c50273151044c1196f025870b70a59d266952700cd4321b0933235eac87
5. 0x6c26dcb0aa34afdcff9c8e824eb768ce6d01efb3ae60de48789464cf19802e9d
6. 0x20277d6bc8e6c518465f03839742bbf2af32a9b3906ffbb56109fcc5b3d9bdcc
7. 0x8df3326ba6c79036ec887b6033e40c9ad0164cd36af6bc4b1aa51184797cfe98
8. 0x48603c01046489dbe89e910ebf488db9b52ed5a03805a6afce3e06e6e4e27b03
9. 0xe393914bf23221a102ead307dfc4cb6235fdd3b5619fe7016b0dc6daa74d1a6f
10. 0xb5688486812d7136b27c2bdbc2ae09bc9ad3ac941f3ea900e81fe9d1958be50e
11. 0x317c51a47b234292d19f812377ad1cc4d05ded07987c4ea1ac9ae1ad2b20f0d2
12. 0x51f06c175a7c946ebe50ef243d6f9370a8fe85c996e53eff19ffcc4585ea8c18
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae