Evidence row 126061

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": "Anchor a SHA-256 payload hash (64 lowercase hex chars) into a Merkle batch on Base mainnet. Payment: $0.001 USDC per submission (batch-settled). Returns anchor_id (202); poll status_url for Merkle proof + on-chain tx hash.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "metadata": {
                "label": "my-document-v1",
                "purpose": "proof_of_existence"
              },
              "payload_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
              "tier": "batch"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$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) or realtime (pro key required)",
                      "enum": [
                        "batch",
                        "realtime"
                      ],
                      "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": "2026-10-08T04:49:43.866Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T04:49:43.336Z"
    },
    "resource": "https://x402.fairseal.io/v2/anchor",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Anchor a SHA-256 payload hash (64 lowercase hex chars) into a Merkle batch on Base mainnet. Payment: $0.001 USDC per submission (batch-settled). Returns anchor_id (202); poll status_url for Merkle proof + on-chain tx hash."
}

What the leaf hashes

{"body":"542812b5cb77d06fd9f3e9d23c7a47b49bc20d13d845f5700e74caccb20d9d6a","id":126061,"kind":"listing","method":"baseline/1","observed_us":1793025627168620,"prev":null,"subject":"x402_bazaar:https://x402.fairseal.io/v2/anchor","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. 0x5d0275b5149d1b738e023c7c30426017bd46713a66e8a006823b7ac9acf09aa0
2. 0xce86c8df003572968f914b16dafa554438799ba9cff49b3d1af18cd8be20121a
3. 0x3c0e86490c8bfe5511778c8ed7d7912773c26623184cbfa15108bebb72f9dd26
4. 0x394f39ac3da20c7e793ec2364d4a92b661fd74dc97ff2944129e72dfa8263254
5. 0x681a2b24b4177a107b9a46bc09f12de6f6474b14fd84cc7cbb9f8f5cd924634a
6. 0xc960a8710ee1b3700a356c368772e75b531e89836caef4ddd64f842f735341a0
7. 0x797924eac8ee485aa8f775764e18a40649ddd22ee41f234d8a4b5855d8f8b736
8. 0xdbec4ea004771b9e34c30ddf4ff159527d114be5b0580264ee4045635c5b0f2b
9. 0xe83b2a73139a45ac5e787f5f8d00e2fdb51ec0acd6751a60cbf0f65dfcfc455f
10. 0x71c75f9312be1c838a554f724b6fc57894e7c4486ab7e013b6a6a8d65cfaebea
11. 0xb91bf0ba3ebff769d1b88f93fcb076477149787a7e31c3c28ce4fe8823b7c144
12. 0x2121cc2dbcb8663af57743dc445c8a59e5bbfffe89703f0606c9843f0d35aff8
13. 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae