Evidence row 72049

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ca-tax-api-mainnet.lxtap.workers.dev/arbitrum/wallet-profile"
    ]
  ],
  "name": "Arbitrum One Onchain Data",
  "owner_address": "0x2ecb9e1fcca7a62758c679f11bc3241466d181d8",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2ECB9E1fcca7A62758c679F11bC3241466d181d8",
        "scheme": "exact"
      }
    ],
    "description": "Who is this Arbitrum One address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "account": {
                "isContract": false,
                "kind": "wallet (EOA) or empty address",
                "nativeBalance": "0.159411760906900921",
                "nativeBalanceUsd": 383.02674,
                "nonce": 14
              },
              "activity": {
                "byCategory": {
                  "erc20": 106,
                  "erc721": 52,
                  "external": 41
                },
                "inboundScanned": 100,
                "moreHistory": true,
                "newestAt": "2026-10-16T11:09:27.000Z",
                "oldestScannedAt": "2025-07-02T19:58:31.000Z",
                "outboundScanned": 100,
                "transfersScanned": 199
              },
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "age": {
                "ageDays": 1790.4,
                "firstActivityAt": "2021-11-27T20:28:58.000Z",
                "firstActivityBlock": 3386511,
                "firstActivityTx": "0x23e4326fdf90263d533b578f12d9ca11cb00d6881deb235ef702d7ba0bab41ef",
                "firstDirection": "in"
              },
              "chain": "arbitrum",
              "firstFunder": {
                "address": "0x13C58aF355926ac5833302aD42CD55fbb2B11021",
                "amount": 0.0001,
                "asset": "ETH",
                "at": "2021-11-27T20:28:58.000Z",
                "tx": "0x23e4326fdf90263d533b578f12d9ca11cb00d6881deb235ef702d7ba0bab41ef"
              },
              "largeTransfers": [],
              "nativeUsd": {
                "price": 2402.75,
                "source": "Chainlink ETH/USD",
                "symbol": "ETH",
                "updatedAt": "2026-10-23T05:45:13.000Z"
              },
              "notes": "From Alchemy's transfer index: ETH (top-level only), ERC-20, ERC-721 and ERC-1155 transfers, zero-value ones excluded. Activity, counterparties and large transfers cover the newest 100 transfers in ea… (240 chars, truncated in this example)",
              "recentTransfers": [
                {
                  "amount": 1e-12,
                  "asset": "ETH",
                  "at": "2026-10-16T11:09:27.000Z",
                  "block": 515356300,
                  "category": "external",
                  "counterparty": "0x54cAB463698f9770d7cde14a8c19b89d7f5C13Ed",
                  "direction": "in",
                  "hash": "0x9b773100119af33494fc8f25e376333d6ea95ad8ac0674151c5ba57c0229d955",
                  "token": null,
                  "usd": 2.4027508e-9
                },
                {
                  "amount": 0.140454,
                  "asset": "USDC",
                  "at": "2026-10-15T13:26:56.000Z",
                  "block": 515072038,
                  "category": "erc20",
                  "counterparty": "0x9c3F789eCB857138bc92d3da0a89276986986cf9",
                  "direction": "in",
                  "hash": "0x82b30e8603f87f743cf756788e3fe02b8117503c4d03a3ed9de83f0f22b02663",
                  "token": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
                  "usd": 0.140454
                },
                {
                  "amount": 0.001305483029,
                  "asset": "UNI",
                  "at": "2026-10-08T13:43:13.000Z",
                  "block": 512897637,
                  "category": "erc20",
                  "counterparty": "0x0B4484025DB80AC491c51750DFae636Cf232A6a9",
                  "direction": "in",
                  "hash": "0x034e80353787fdf7ca9d1413a23c8ab0c1c68597f6972a40d7f561c79b2c3ae5",
                  "token": "0xFa7F8980b0f1E64A2062791cc3b0871572f1F7f0",
                  "usd": null
                },
                {
                  "amount": 50.007251,
                  "asset": "USḌC",
                  "at": "2026-09-28T17:04:05.000Z",
                  "block": 509769538,
                  "category": "erc20",
                  "counterparty": "0x03501B88dc6bd0284372A23d7F7519844500532c",
                  "direction": "in",
                  "hash": "0xce3acaaf2b3b71411e91a7d6c4d06546707a595e01a9af431d7f4c20930a2500",
                  "token": "0xe0B9369Ec106Bac9BAcAc4B12357A19101a56e0e",
                  "usd": null
                },
                {
                  "amount": 20.025541,
                  "asset": "SWEAT",
                  "at": "2026-09-25T09:58:46.000Z",
                  "block": 508727927,
                  "category": "erc20",
                  "counterparty": "0x2CfF890f0378a11913B6129B2E97417a2c302680",
                  "direction": "in",
                  "hash": "0x793f430bd112b6980a6636ce87259a03f4b72e14a4b1b6775e2d2fab35ac4080",
                  "token": "0xca7Dec8550F43a5e46e3Dfb95801f64280e75B27",
                  "usd": null
                }
              ],
              "topCounterparties": [
                {
                  "address": "0xA2B5a8ec1AADa1A849DcF3ffACA2574c6B0606F1",
                  "lastAt": "2026-04-07T04:06:44.000Z",
                  "received": 8,
                  "sent": 0,
                  "transfers": 8
                },
                {
                  "address": "0xC1851C2044B2871fa93722Ba28145FA67576E269",
                  "lastAt": "2026-08-11T17:07:00.000Z",
                  "received": 5,
                  "sent": 0,
                  "transfers": 5
                },
                {
                  "address": "0x79D1fa343540bd44a56aAe7917513380CEB27596",
                  "lastAt": "2026-05-22T16:02:38.000Z",
                  "received": 5,
                  "sent": 0,
                  "transfers": 5
                },
                {
                  "address": "0x25285854083Ce61ef09b94e1125B209D982AA73a",
                  "lastAt": "2026-04-19T03:00:31.000Z",
                  "received": 4,
                  "sent": 0,
                  "transfers": 4
                },
                {
                  "address": "0xdbC4153F34B45c8DB58C1aa3Bed00db5dcedd6bB",
                  "lastAt": "2026-08-14T09:36:04.000Z",
                  "received": 3,
                  "sent": 0,
                  "transfers": 3
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "Wallet or contract address on Arbitrum One",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-24T05:49:47.006Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T05:49:46.663Z"
    },
    "resource": "https://ca-tax-api-mainnet.lxtap.workers.dev/arbitrum/wallet-profile",
    "serviceName": "Arbitrum One Onchain Data",
    "tags": [
      "arbitrum",
      "onchain",
      "erc20",
      "token",
      "wallet"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Who is this Arbitrum One address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index."
}

What the leaf hashes

{"body":"1a8f3b66b5a78421ef5f2082bead5677edf311a86aba66f941a2c058544e4a6d","id":72049,"kind":"listing","method":"baseline/1","observed_us":1793025485184470,"prev":null,"subject":"x402_bazaar:https://ca-tax-api-mainnet.lxtap.workers.dev/arbitrum/wallet-profile","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. 0xb95b9c56e0001140b2ae5e43facc3a53b3d59e97be6a7b7e294f78ace39e9a42
2. 0x3d951b6a3a715e9fdaa6fd8bfb1f1ed0d90c2b6c5ee7aa27a15eea4038ec8d09
3. 0xefef842c6eee02f44c09733f3405414d863d7c3a3f65e68036d7c86f31ceb0dd
4. 0x366d119a31b15e95cab6ecfc4209a3e0731f751555f5b22b7ece14b74e7b26b3
5. 0xc619486611cd1b4b40c68cdc4094443b3dbad94e2386d2df216bbf2d2bede776
6. 0xc0c7ff8143b0f4044ce617c637999abf2fb4b28e65327a9121d4dd57a17adce1
7. 0xfa23f8ed61ff08ee1ec032532fe3064b64fae9186875bf7cd71e3344c654f573
8. 0xae03a5f4f2b28dcf146d631f3a96e4a9c33b2aaa844f724f424b45b5b0966ccc
9. 0x9bc815709ef4617796e520b1c2fe2f937d4fcee1ca427b494b0585f8683819ab
10. 0x2a5c6878834071db08774384e91dbce1a180bcb1f079fcc809e29d3efca761f5
11. 0xcf50b54d8921f0c22877e0b8d6b8393a1954218f000f7cac374e9f40a024f700
12. 0xb6efd79902cac6d5a402ebecb8069402f00961ab80cd71b4d647fbc686d975ec
13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae