Evidence row 76209

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://hash.openverbs.com/v1/hash"
    ]
  ],
  "name": "Hash data",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Compute a cryptographic digest (SHA-2, SHA-3, BLAKE2, and legacy SHA-1/MD5/RIPEMD-160) of some data. The input may be utf8/hex/base64/base64url and the digest is returned as hex/base64/base64url.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "algorithm": "sha256",
              "data": "example",
              "inputEncoding": "utf8",
              "outputEncoding": "hex"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "algorithm": {
                      "description": "Digest algorithm, one of sha256, sha512, sha384, sha224, sha1, sha3-256, sha3-384, sha3-512, md5, ripemd160, blake2b512, blake2s256.",
                      "enum": [
                        "sha256",
                        "sha512",
                        "sha384",
                        "sha224",
                        "sha1",
                        "sha3-256",
                        "sha3-384",
                        "sha3-512",
                        "md5",
                        "ripemd160",
                        "blake2b512",
                        "blake2s256"
                      ],
                      "type": "string"
                    },
                    "data": {
                      "description": "The data to hash, in `inputEncoding`.",
                      "maxLength": 5000000,
                      "type": "string"
                    },
                    "inputEncoding": {
                      "description": "How to interpret the text as bytes (utf8, hex, base64, base64url). Default utf8.",
                      "enum": [
                        "utf8",
                        "hex",
                        "base64",
                        "base64url"
                      ],
                      "type": "string"
                    },
                    "outputEncoding": {
                      "description": "How to render the digest (hex, base64, base64url). Default hex.",
                      "enum": [
                        "hex",
                        "base64",
                        "base64url"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "data",
                    "algorithm"
                  ],
                  "type": "object"
                },
                "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-05T13:55:50.048Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-05T13:55:49.787Z"
    },
    "resource": "https://hash.openverbs.com/v1/hash",
    "serviceName": "Hash data",
    "tags": [
      "hash data",
      "sha256 hash",
      "compute digest",
      "md5 checksum api",
      "sha3 digest"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compute a cryptographic digest (SHA-2, SHA-3, BLAKE2, and legacy SHA-1/MD5/RIPEMD-160) of some data. The input may be utf8/hex/base64/base64url and the digest is returned as hex/base64/base64url."
}

What the leaf hashes

{"body":"2b2449aba4ecc57376c0244d497ee27d0d0f18d1abdf27763690e9b6929f4f3d","id":76209,"kind":"listing","method":"baseline/1","observed_us":1793025491788536,"prev":null,"subject":"x402_bazaar:https://hash.openverbs.com/v1/hash","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. 0xe08496602164e45011de4857e2e884f0b1306057f36f98c82d48ff09c9c3f2a8
2. 0xc0d013e9de7629b83715e8bd2c22f4b85bfc6ccd2e1ce8a95d1fa244f3c33f8f
3. 0xa76a7a999f417bc0f68c39d63d86c1f208a06b1d6cc3605151922a1896d757a1
4. 0x84c8bfe653cd46b7737b3fe600f6246dd229711bdf3a8198e17be8cdc7a40273
5. 0x756384c4d19573563755fa808d76692fab6cf985968a96ab6dfbf4187bb04760
6. 0xbcf0776d4c9d22cfae5aa86980c2dd3ee8427c794296f64bc6997f3cdd7a46f1
7. 0xf4d59f2dd5f24624cfd4a8899d3dadac770963787fb9b9f45211dbbe67225f1c
8. 0xa5169f80a26da529a760bcde742101a46400a7c5e912ca600f5ea7c45c05079c
9. 0xbae3f4a8042ca9e93d8e3f28f7edcee7a39f5449dd1a0dea2149de3dfc75dbeb
10. 0x6ff4120b0309d1afe829772edab6c960527c15f95727cac1d6a063da5f24cd85
11. 0x07a6fcdebada154e3a5a086ae2c78ad003011940759e5f38c005cc9b2ec3ef9d
12. 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae