Evidence row 1039716

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": "2026-10-27T10:16:52.655Z",
    "quality": {
      "l30DaysTotalCalls": 36,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T10:16:51.802Z"
    },
    "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":"a09db88bda1d94109b87f18a3b007e2a95526f9fbba0167ba87b4cffcd000ace","id":1039716,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298457409033,"prev":527877,"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 2026-10-29 (242798 rows).

1. 0x7fc8df09efe8e83475cd662043e178c0dcf8afd71f118cd3d7459c06d0c1281f
2. 0xc1729bb019b265ace01e1a161c7035153e7f97d0014a58d235154e9453d7f7c7
3. 0x9fb17e0b615feded12aaaa9594e744ea59493e6762f0a54e1c46ece4c72ec2ac
4. 0xda787746e925a1dafad8a0aeb1763d8b726887ade96fd940418c923eca2cccac
5. 0x9972c7dc1d88e0c90816ddb262be2b878172e2614450bb510d45cbeec2958df6
6. 0xb1d2b09717202d0cc3d96bf8b3e1c79cb158eb40e1688099524cc457824df7fc
7. 0xf4bffce599f67a66ba1b85fb7022a50a54a2fe8d8bb07a75ff32ef4396b65b2b
8. 0x7a6f69da8906f1fee77a363e6081b7183d5954a5aabda9f11aaebdecf3f23b57
9. 0xf6689d26df6c1a6e6cdf736ae9f9183ed86a48b3cfde7909b3447fefe853c99d
10. 0x33ae603bf5632d0b5a3afc45d04c9a5195d4ea2db2425c13dd2fcb8040047ad1
11. 0x6061bcd2b13abacb78f1e850932aac66200cac32e932952b7392e97cc0f8ea93
12. 0xbf28132120c893b93127c5dc18676142d79ae0e53196d683ca555b03dd0a948a
13. 0x68daa487f20142b5a274d6f597c5a1b745921627de17f1d6b9dcb7d0a6564bcc
14. 0x8ba80727225153704e2051c6b4fa52b7de16d7f5ad7fa0e39cd779b45b20814d
15. 0xcf94ad18fb19d78b9bda4e21e2e80e6fbf3504f3f83fee3273c11933743525c4
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1