Evidence row 117258

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/activity"
    ]
  ],
  "name": "TraceFast",
  "owner_address": "0x2a65491e93ad0d484b74405401a38e2e0e5edd7e",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2A65491E93Ad0d484b74405401A38e2E0E5EDd7e",
        "scheme": "exact"
      }
    ],
    "description": "TraceFast live Ethereum data: three different questions about when an address was active, each answered separately — when it was first mentioned anywhere on chain; when its own account state last changed and how many times it changed; and the newest block at which it took part in anything (a top-level transaction, a token transfer, an emitted log, a value-bearing call), with the sources that answer was… Path: address. Docs: https://docs.tracefast.xyz/api/address-activity.md",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "address": "0xf977814e90da44bfa03b6295a0616a897441acec",
                "chainId": 1,
                "firstSeenBlock": 8115394,
                "firstSeenTimestamp": 1562653163,
                "lastActivity": {
                  "block": 26096544,
                  "bySource": {
                    "directTx": 26095721,
                    "events": null,
                    "internalTransfers": 25946150,
                    "tokenTransfers": 26096544
                  },
                  "sources": [
                    "events"
                  ],
                  "timestamp": 1790846579
                },
                "lastInteractionBlock": 26095721,
                "lastInteractionTimestamp": 1790836655,
                "lastStateChangeBlock": 26095721,
                "lastStateChangeTimestamp": 1790836655,
                "stateChangeCount": 20182
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/chains/1/entities/:address/activity",
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "type": "object"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "jws",
              "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6bXBwLnRyYWNlZmFzdC54eXojMjAyNi0xMCJ9.eyJhbW91bnQiOiIyMDAwMCIsImFzc2V0IjoiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwibmV0d29yayI6ImVpcDE1NTo4NDUzIiwicGF5VG8iOiIweDJBNjU0OTFFOTNBZDBkNDg0Yjc0NDA1NDAxQTM4ZTJFMEU1RURkN2UiLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vbXBwLnRyYWNlZmFzdC54eXovYXBpL3YxL2NoYWlucy8xL2VudGl0aWVzLzB4ODMzNTg5ZkNENmVEYjZFMDhmNGM3QzMyRDRmNzFiNTRiZEEwMjkxMy9hY3Rpdml0eSIsInNjaGVtZSI6ImV4YWN0IiwidmFsaWRVbnRpbCI6MTc5MTQ0MTEwNCwidmVyc2lvbiI6MX0.e-weITCoTvnWaik2uRfGiCl3p5xNAYTRPSdB8rBQI1wwHcIpb6_mu21g72G5FUkxzAorHiJAleHrKgXkAq2wAA"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "type": "string"
                  },
                  "payload": {
                    "properties": {
                      "amount": {
                        "type": "string"
                      },
                      "asset": {
                        "type": "string"
                      },
                      "network": {
                        "type": "string"
                      },
                      "payTo": {
                        "type": "string"
                      },
                      "resourceUrl": {
                        "type": "string"
                      },
                      "scheme": {
                        "type": "string"
                      },
                      "validUntil": {
                        "type": "integer"
                      },
                      "version": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "version",
                      "resourceUrl",
                      "scheme",
                      "network",
                      "asset",
                      "payTo",
                      "amount"
                    ],
                    "type": "object"
                  },
                  "signature": {
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      },
      "tracefast-receipt": {
        "info": {
          "method": "entity-activity",
          "version": 1
        }
      }
    },
    "lastUpdated": "2026-10-08T06:26:44.69Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:26:44.586Z"
    },
    "resource": "https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/activity",
    "serviceName": "TraceFast",
    "tags": [
      "blockchain",
      "ethereum",
      "address-intelligence",
      "labels",
      "entities"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "TraceFast live Ethereum data: three different questions about when an address was active, each answered separately — when it was first mentioned anywhere on chain; when its own account state last changed and how many times it changed; and the newest block at which it took part in anything (a top-level transaction, a token transfer, an emitted log, a value-bearing call), with the sources that answer was… Path: address. Docs: https://docs.tracefast.xyz/api/address-activity.md"
}

What the leaf hashes

{"body":"9acad9db0dd7a8c9be61d64354509779bbc03977cac92f2418a8eb097fb294c5","id":117258,"kind":"listing","method":"baseline/1","observed_us":1793025610928891,"prev":null,"subject":"x402_bazaar:https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/activity","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. 0xa4c3ea5e4ffb04c43032d6f6708c414ec17b41f6c770f1733ecba4d6f5fe643e
2. 0x76dd7a6370e8ee7901043c78fed5019d937b189c00d08d9a2bef7e687a7a70a9
3. 0x125949c8bf2970988ad4a3dc62fbf0c3447ed1456ac4327616457b0fd08305d4
4. 0x5367a8469d77e40e33cfed05422e9d8f42bf984b1701e8ee65bd308c9755c7c5
5. 0x5b447301a6580ab03c21c81145eb3ac113413735350d33476e322640937afe15
6. 0x3431a03d47d610a5010d47c3ec434e43e07cab95439286d2c87a7b1fda88bd03
7. 0x1258f598887edd5398cb00ade473802cfbdcb3700ba54b8d15a088146d9c359d
8. 0x71a63f5d8eebcf2b745dd0a5b5c785545a639feb9479a1056e46f7bda7e43532
9. 0xaf4f5950fc8347a659fee6088d45f2ef59c1da8b5fc558e16afa3a5361e2b8b0
10. 0xff31bd0889dd2264a5f9e7437500931910fa5f036a5cb362c19a635234298956
11. 0x63bb18928b05af339d3db18a674ec04120f1a31736f638d4e101d735122f8380
12. 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae