Evidence row 123385

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://underground.substratesymposium.com/buy/argentine_pampas"
    ]
  ],
  "name": "underground.substratesymposium.com/buy/argentine_pampas",
  "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": "Argentine Pampas — Sensory narrative for understanding freedom, space, and physical movement vocabulary.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "content": "Sensory narrative for understanding freedom, space, and physical movement vocabulary.",
              "delivered_at": "2026-04-24T10:00:00Z",
              "product": "argentine_pampas",
              "title": "Argentine Pampas"
            },
            "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": "2026-10-11T02:01:15.063Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-11T02:01:14.645Z"
    },
    "resource": "https://underground.substratesymposium.com/buy/argentine_pampas",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Argentine Pampas — Sensory narrative for understanding freedom, space, and physical movement vocabulary."
}

What the leaf hashes

{"body":"e556e6d30c369aa1b399dba7c8a4b8db8e2337a5d392bbd50c6044834ae99b9e","id":123385,"kind":"listing","method":"baseline/1","observed_us":1793025623119031,"prev":null,"subject":"x402_bazaar:https://underground.substratesymposium.com/buy/argentine_pampas","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. 0xbe69cef4c1df777f61e960acd4a9e3213bc0c0c80df858ed8ced3a8f43558833
2. 0x19d41ff0607010e4615865f930596ced3de6feab216167f0b93643dd88812042
3. 0xa969f49c2dac0df7e38682832c2ce7470239dfcfdb5abb402b0c5146336274c2
4. 0xd23b76cd9df54f7391297a4f348f7810a35301b2814c02faebf238d4b8dfe176
5. 0xf9c3d3ee87c904d448c28ea4e0c7c33938d08c56f9439ddcc93758a78b705bdc
6. 0x54140520f8c3686f643f79446db1dbb4779ec09d8a60ff4f4e61324e89f2c8a1
7. 0x7962fc6745efdc605345d80bac915890798e9ee6d7748b7b241d55b97e6924ea
8. 0xfe21c3371c5feae86b94e3f787d959035bc78138abeacf6528aaa2e0f8764fdf
9. 0x3d099a7c22d810954fd7b1d778d0e3aa00cd895cb2389d397ae7c71ec73378e0
10. 0x6a746b816cbae6dd852b6174fa370c7d8224f421d42164fa99d1a244739599d1
11. 0x0c2fadf69af6b0b6e19a10cc8f6ddfdff26662d74207cc53dcbcf5abfbdbc8c9
12. 0xa6f71fd6c3a59323bf7c5386a54935b14c555d8c717289cc73700f56d86994cd
13. 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae