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Evidence row 126060

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://x402.fairseal.io/v1/veo/verify
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7749a9b17656039f98226209e55405823f37a7f6acbab09e9a8ca40659630792
Leaf
0x13434074583cc673017d29eb8a9186075e698b620cd2ea9648d5cde9d63f9608

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.fairseal.io/v1/veo/verify"
    ]
  ],
  "name": "x402.fairseal.io/v1/veo/verify",
  "owner_address": "0xbd5eb5559f5ac14475ac0c81b6735a4d9106ce28",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
          "version": "2",
          "withdrawDelay": 900
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28",
        "scheme": "batch-settlement"
      }
    ],
    "description": "Verify AI agent outputs against a VEO-2 schema. Checks structural validity, SHA-256 hash integrity (if content hash is present), and optional cryptographic signature on the output (if proof.provider_signature is present). Returns a verdict with per-check details.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "confidence": {
                "score": 0.9
              },
              "execution": {
                "model": "gpt-4o",
                "prompt_hash": "sha256:deadbeef"
              },
              "issued_at": "2026-09-12T10:00:00Z",
              "object_class": "VEO-2A",
              "object_id": "veo-abc123",
              "provider": {
                "name": "my-agent",
                "version": "1.0"
              },
              "standard": "VEO",
              "version": "2.0"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "confidence": {
                      "required": [
                        "score"
                      ],
                      "type": "object"
                    },
                    "entropy": {
                      "description": "At least one of execution/entropy required",
                      "type": "string"
                    },
                    "execution": {
                      "description": "At least one of execution/entropy required",
                      "type": "object"
                    },
                    "issued_at": {
                      "type": "string"
                    },
                    "object_class": {
                      "enum": [
                        "VEO-2A",
                        "VEO-2B",
                        "VEO-2C",
                        "VEO-2D"
                      ],
                      "type": "string"
                    },
                    "object_id": {
                      "type": "string"
                    },
                    "provider": {
                      "required": [
                        "name"
                      ],
                      "type": "object"
                    },
                    "standard": {
                      "const": "VEO",
                      "type": "string"
                    },
                    "version": {
                      "const": "2.0",
                      "type": "string"
                    }
                  },
                  "required": [
                    "standard",
                    "version",
                    "object_id",
                    "object_class",
                    "provider",
                    "confidence"
                  ],
                  "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": "2026-10-06T07:37:33.214Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T05:40:13.214Z"
    },
    "resource": "https://x402.fairseal.io/v1/veo/verify",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Verify AI agent outputs against a VEO-2 schema. Checks structural validity, SHA-256 hash integrity (if content hash is present), and optional cryptographic signature on the output (if proof.provider_signature is present). Returns a verdict with per-check details."
}

What the leaf hashes

{"body":"7749a9b17656039f98226209e55405823f37a7f6acbab09e9a8ca40659630792","id":126060,"kind":"listing","method":"baseline/1","observed_us":1793025627167584,"prev":null,"subject":"x402_bazaar:https://x402.fairseal.io/v1/veo/verify","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x13436e499ad1cf7222266d42d0425886e53f770b0f839050bb8d2e7a5501beb7
  2. 0xb0d909109650c4af099ee619c931abfa4faa63f23feb2051c507ae98ed389cd4
  3. 0x4868b6754328f103083940d223813e5695107f75e23e41ab573558afafc4e9fc
  4. 0x9ced0e5930d2be34bb41e1fd301c1a474a532c001241adc947572388550dcd81
  5. 0x09096543edb0548fe85d8beedc529a2da39a4ce0a17cfb22ce4969b52a490a8e
  6. 0x79fdebf88b05ea3975cb6df6301ec2d7f576c7919c2aa67b490e8d4123fab7c0
  7. 0xb6595d0d17d0c13d62089659ae17284e3bf9c60ae7fba85fcf880e305d5f1eee
  8. 0x0c03a7293a97fb8fd1444c078446e1ed44f867adb406c99b15fef998204dd5de
  9. 0xb184ee14fc8b283552a30eaeb5710047f2407274c459b86633a685e9e10052b9
  10. 0x4a6e9d6f8bcdedf054372776140e3ef47d5f8d6efb1bdab8c26dcd9c83c1db99
  11. 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
  12. 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
  13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
  14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
  15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON