Evidence row 125397

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-paid-mcp.vercel.app/api/v1/sha256"
    ]
  ],
  "name": "x402-paid-mcp.vercel.app/api/v1/sha256",
  "owner_address": "0x8686bd9bc270df09240e7d220a4bd4c627dccb03",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8686bd9BC270Df09240E7D220A4Bd4c627DCCb03",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2miRk3MikF5Uetgkd7o9MY7W6BESUaQTkDFupDZVPBym",
        "scheme": "exact"
      }
    ],
    "description": "Compute a SHA-256 hex digest of a text payload. Cryptographic hash / checksum helper. Not an attestation.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "data": "hello",
              "encoding": "utf8"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "encoding": "utf8",
              "sha256": "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "data": {
                      "description": "Payload to hash",
                      "type": "string"
                    },
                    "encoding": {
                      "description": "utf8 | hex | base64 (default utf8)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "data"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-22T20:55:01.999Z",
    "quality": {
      "l30DaysTotalCalls": 36,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-22T20:55:01.858Z"
    },
    "resource": "https://x402-paid-mcp.vercel.app/api/v1/sha256",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compute a SHA-256 hex digest of a text payload. Cryptographic hash / checksum helper. Not an attestation."
}

What the leaf hashes

{"body":"00e4f6d302108abf38489bddd9190505e80da67425d8ab9fc48c9b935d81cbfb","id":125397,"kind":"listing","method":"baseline/1","observed_us":1793025626150506,"prev":null,"subject":"x402_bazaar:https://x402-paid-mcp.vercel.app/api/v1/sha256","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. 0x7cbb3e0eaf33c489c4a1768e279c119b82d1534506b562450cd0c92afa78b56e
2. 0x0de396b69007b3d990a1a6bf5e92159087aa3cc676e3f3e4ed014928792a9b6f
3. 0x190bdd1753919fa090dfbe68200f3fea357c446cb50dd53f908866242089d7fa
4. 0xf07b3cd1bc07857767abb1b82d80776138e24f181964b0aac3ffaceec218a622
5. 0x004946f18c2b5cffd04834144496539972c8cb43598d13afcb8fa44df2fb3ad1
6. 0xf1717953972400870aa08d4c3853b7399a05529cb466aea8132ca2a06faae1eb
7. 0x801745f5ab0105a3742f1eace24f4f94abd01b6a5e69f3a1c9ef2a7eb1c93e29
8. 0xbc95e5969ad85e8a0b03139c83f007745cecb6b43af6c7f4e04bd358d4205bdc
9. 0x4a59d37e87bfd6c1a73e2e46dcb996811787999807c2354410bd4889fc4c24ba
10. 0xf0ed0e925a8a7da0329fe426ca59f504fc92f30b2f6f61a5828a859ff9cdb816
11. 0x05b818019343d04f2973b36329a447f88301721891653961b94822610edda553
12. 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae