Evidence row 123157

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://twin.unykorn.org/hash-sha256
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: c060a5f47debb40bb40a0fa828d0f0ffc74eef7adf7332ec888f2f252732f743
Leaf: 0x848481ff34a4002caac39be557ce817c7c6d987c2f28659e544ca83295365b95

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://twin.unykorn.org/hash-sha256"
    ]
  ],
  "name": "twin.unykorn.org/hash-sha256",
  "owner_address": "0x7d9a65d06dcc435a52d5880c6310bd6e96c156db",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
        "scheme": "exact"
      }
    ],
    "description": "SHA-256 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "params": {
                "text": "hello world"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "generated_at": "<iso8601>",
              "ok": true,
              "receipt": {
                "amount_usd": 0.003,
                "receipt_id": "g402-<16hex>",
                "tx_hash": "0x<64hex>"
              },
              "type": "hash-sha256"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "params": {
                      "properties": {
                        "hex": {
                          "description": "0x-prefixed hex data",
                          "pattern": "^0x[0-9a-fA-F]*$",
                          "type": "string"
                        },
                        "text": {
                          "description": "UTF-8 text, up to 48 KiB",
                          "maxLength": 49152,
                          "type": "string"
                        }
                      },
                      "type": "object"
                    }
                  },
                  "required": [
                    "params"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-06T10:21:44.383Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-06T10:21:44.234Z"
    },
    "resource": "https://twin.unykorn.org/hash-sha256",
    "tags": [
      "hashing",
      "digest",
      "deterministic",
      "integrity",
      "SHA-256"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "SHA-256 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network"
}

What the leaf hashes

{"body":"c060a5f47debb40bb40a0fa828d0f0ffc74eef7adf7332ec888f2f252732f743","id":123157,"kind":"listing","method":"baseline/1","observed_us":1793025622803967,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/hash-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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON