Evidence row 123389

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://underground.substratesymposium.com/buy/barbershop"
    ]
  ],
  "name": "underground.substratesymposium.com/buy/barbershop",
  "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": "The Barbershop Experience — Ritual grooming narrative for trust, transformation, and restoration through ceremony.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "content": "Ritual grooming narrative for trust, transformation, and restoration through ceremony.",
              "delivered_at": "2026-04-24T10:00:00Z",
              "product": "barbershop",
              "title": "The Barbershop Experience"
            },
            "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": "2026-10-11T00:25:04.309Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-11T00:25:04.109Z"
    },
    "resource": "https://underground.substratesymposium.com/buy/barbershop",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "The Barbershop Experience — Ritual grooming narrative for trust, transformation, and restoration through ceremony."
}

What the leaf hashes

{"body":"91e5e9496c85cb570e122ba7ee76faa8262776cdd4f8d975e3d4062203bc7913","id":123389,"kind":"listing","method":"baseline/1","observed_us":1793025623123006,"prev":null,"subject":"x402_bazaar:https://underground.substratesymposium.com/buy/barbershop","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. 0xa8778dcc3cdafc3221731fdad50a4876d41aeb11a831acda521afa348350fbbc
2. 0x5ac23fc72d2bcdedb3fc240d017cf7ecd192df0d9b1edc9f3e2ffaf190830929
3. 0x463561990891485b4c84b9d4abf9e7529888aab4d06f0cd94e345089ae2163c3
4. 0x688da73341185b09c5627cae24671dd8dba8b906e11e81bdd98d9cf01ab986ba
5. 0x0e4057152c3d02dc78f9f6ff9ef87e98ada88a6031fcf674a9da346b565c718c
6. 0x9d3def2c0296898b494a1ca0a477697e26fc72d1b022b41760298f2d0a2a2ccc
7. 0x1052fb998920080a0372dc68f464baf0d8dd849da22b880fbaf18b5719b5892c
8. 0x50ec7a6cc79cc174f41a758bfc78e392c1c298a9981452600127f09700884083
9. 0x53137a6629afc85f333af9fc977add7ac420c7563a978538d0126b6a5a86536d
10. 0xfd8f2e7fe993511f65aa0968b5038659340f72883448aed02c2c9b4bb27c71f9
11. 0xe5e83afe0ce08c2497f8492757a4767cf2409aaae2061487f80e1d45646872f8
12. 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae