Evidence row 123386

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://underground.substratesymposium.com/buy/atlas"
    ]
  ],
  "name": "underground.substratesymposium.com/buy/atlas",
  "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": "German Shepherd — Atlas — Protective companion for security awareness and threat detection.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "content": "Protective companion for security awareness and threat detection.",
              "delivered_at": "2026-04-24T10:00:00Z",
              "product": "atlas",
              "title": "German Shepherd — Atlas"
            },
            "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": "2026-10-11T00:03:45.413Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-11T00:03:45.266Z"
    },
    "resource": "https://underground.substratesymposium.com/buy/atlas",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "German Shepherd — Atlas — Protective companion for security awareness and threat detection."
}

What the leaf hashes

{"body":"421087e2be8fdc29c452da60bc9142bb5338dff03bc9071eed6016f211b67cb2","id":123386,"kind":"listing","method":"baseline/1","observed_us":1793025623120031,"prev":null,"subject":"x402_bazaar:https://underground.substratesymposium.com/buy/atlas","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. 0x57a745905c952e8977e0c41ee13031bbc16eaadb508073ed2058a236a37ed5e8
2. 0x6f5b5d04c1f1f297410c2608581c74a7fb9bb78a3b8bd9f3b6834c11aa8a99e8
3. 0xd35d258d6395d6b1a1b40b063e105e424ae58549d4f9a6367fef4582a8897e89
4. 0xcc70295eaf241a5e7785dd4c05c616cd5ce53060b62e5ffa1e0d5305d1ea9426
5. 0x7117afae3c9a9fe4fe2d5b5159b591049b91cd5440546176207b6fa5c7b8567a
6. 0xd28b4be016c84b7d1ff3657f8fcbe832f1dc82805c0cb5ab4c2cf565aec9b715
7. 0x5c25b8ae57d5739efa54111bc0d314b5d58a64b1884846102eec3ca7838965ee
8. 0x34fcbbd58f5e4bc285ed1224e4e8e5bcb18c43d26da80150d8e2c0107d087408
9. 0x681bcabb2f756d0387e6a1b7b06e2f9b7427944e5ce5cdac6e1bace57297c0f1
10. 0xda3bffd0a7c24c98da7dc5357e8d748010f4817bac4b377a94cd382883fc809a
11. 0x86f49d35fee840c62060e3a6cbc75237dbfdc70dd7439506d3f085c9cca8e4f2
12. 0x01ecb94c2efbfb8e9050ebbd813fbba80bbcbc345f98de707345bc4bc88c94e8
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae