Evidence row 125284

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-gateway-production-1f21.up.railway.app/hash"
    ]
  ],
  "name": "x402-gateway-production-1f21.up.railway.app/hash",
  "owner_address": "0xf7eb4b12d673df433d76b2dbd9ca41db3fe1836e",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 90,
        "network": "eip155:8453",
        "payTo": "0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E",
        "scheme": "exact"
      }
    ],
    "description": "Compute SHA256 hash or SHA-512, SHA-1 and MD5 checksums for UTF-8 text and return hex plus Base64 digests. Use for SHA256 hashing, checksum verification, integrity checks, content fingerprints, cache keys, deduplication and agent pipelines.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "algo": "sha256",
              "text": "hello world"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "status": "ready"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "algo": {
                      "description": "Hash algorithm; defaults to sha256.",
                      "enum": [
                        "sha256",
                        "sha512",
                        "sha1",
                        "md5"
                      ],
                      "type": "string"
                    },
                    "text": {
                      "description": "Text to hash.",
                      "maxLength": 250000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T22:02:00.979Z",
    "quality": {
      "l30DaysTotalCalls": 36,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T22:02:00.769Z"
    },
    "resource": "https://x402-gateway-production-1f21.up.railway.app/hash",
    "tags": [
      "hash",
      "sha256",
      "sha512",
      "sha1",
      "md5"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compute SHA256 hash or SHA-512, SHA-1 and MD5 checksums for UTF-8 text and return hex plus Base64 digests. Use for SHA256 hashing, checksum verification, integrity checks, content fingerprints, cache keys, deduplication and agent pipelines."
}

What the leaf hashes

{"body":"0961b00f3094dad35b9147bfec0ef2f152dda59d4c9108bc29f84266fa28803b","id":125284,"kind":"listing","method":"baseline/1","observed_us":1793025626029281,"prev":null,"subject":"x402_bazaar:https://x402-gateway-production-1f21.up.railway.app/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. 0x8d21df008cab8d9b1972fe100a872702d42fe3d74837e79e349c66062868f0f5
2. 0x6bd85ee617d25cc65fa0ff9f7ce6a2b47ee9096f37cd6aa40abafe653cf2c01a
3. 0x698636924a45a28c5ef76e91b3848ba1301928f43ea113846ab574c58b6d3e50
4. 0x8aadd15f92d804548b96525d39b4b5ef1415885ea1199da767a252fedd98aca1
5. 0x1d4d070e1cad8bc90ad86f82b4d6d1fee859a71148a5c27f1e77d1e7d6c936c8
6. 0xeb17f5def4b2c7ccc0a27fa9327551812686a227a0f7621e922655434b2c8223
7. 0x53e4b7142ad10aeafdc15dfc83635f6a4f7135776b5c88c259c6500e5369acd7
8. 0xc13d0ac044f1a7e2f9995677ffad591ed2f3861ed40a2d13169377fa0c26f38f
9. 0x52e3f3fd57e89a5264aee65e4d5584f9f06af1484bb94c9804fa99c7c9ed5650
10. 0x5b25ef9b2a3bfdd120c04b0b0e6fcd5a2e5aaaa78a683cb6ced97272de11c0f1
11. 0x86b2c30da5bda0b772dc691263cbbe9779ec35b67c9966d10e728daa3e47ae48
12. 0xfc86b2282cb8f91e68280efe01f3c50453c94fae2ef04af1a75d4b05d0af2b8f
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae