Evidence row 435837

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.fairseal.io/v2/anchor"
    ]
  ],
  "name": "x402.fairseal.io/v2/anchor",
  "owner_address": "0xbd5eb5559f5ac14475ac0c81b6735a4d9106ce28",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28",
        "scheme": "exact"
      }
    ],
    "description": "Create a tamper-proof on-chain record of any content hash. Submit a SHA-256 hash; returns a cryptographic proof of existence anchored to Base mainnet via Merkle batch. Poll status_url for verifiable receipt with on-chain tx hash. $0.02 USDC per anchor. Audit trail for AI decisions or documents.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "metadata": {
                "label": "my-document-v1",
                "purpose": "proof_of_existence"
              },
              "payload_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
              "tier": "batch"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "metadata": {
                      "description": "Optional metadata (max 1KB). Stored with receipt.",
                      "type": "object"
                    },
                    "payload_hash": {
                      "description": "SHA-256 hex of content to anchor (64 lowercase hex chars)",
                      "pattern": "^[0-9a-f]{64}$",
                      "type": "string"
                    },
                    "tier": {
                      "description": "batch (default, ~60s). realtime requires a pro API key and is not available via x402.",
                      "enum": [
                        "batch"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "payload_hash"
                  ],
                  "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": "2026-10-27T06:05:29.893Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T06:05:29.413Z"
    },
    "resource": "https://x402.fairseal.io/v2/anchor",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Create a tamper-proof on-chain record of any content hash. Submit a SHA-256 hash; returns a cryptographic proof of existence anchored to Base mainnet via Merkle batch. Poll status_url for verifiable receipt with on-chain tx hash. $0.02 USDC per anchor. Audit trail for AI decisions or documents."
}

What the leaf hashes

{"body":"9a01588582dfb1d212f1af1b1fbbd6e88e104371f32fd142257170e2beb31f4c","id":435837,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086711023635,"prev":419105,"subject":"x402_bazaar:https://x402.fairseal.io/v2/anchor","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.