Evidence row 751172

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://how.is/v1/domain/changes"
    ]
  ],
  "name": "how.is",
  "owner_address": "0xa76a0e93c5af3fd43521300b0a58ef5f70fc44f6",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa76a0E93C5af3fd43521300B0a58eF5F70fC44F6",
        "scheme": "exact"
      }
    ],
    "description": "Check when a domain appeared in the registry zone file, left it, came back or changed nameservers, from daily gTLD and .com/.net zone files. A sudden nameserver move signals a hijack or sale; a brand-new name signals phishing.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "domain": "github.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "_shape": "data: in_zone_now, first_seen, first_seen_is_coverage_start, last_seen, current_ns, events[{type: appeared|disappeared|reappeared|ns_changed, dates, from, to, message}], changed_last_30_days, coverage{daily_since, first_zone_file, runs}, ns_runs, note."
              },
              "receipt": {
                "charge_usd": 0.01,
                "rail": "x402",
                "settlement_tx": "0x…",
                "tool": "changes"
              },
              "result": "Domain change history for the requested subject"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "domain": {
                      "description": "A registered name directly under a TLD, e.g. example.com (zone files list no subdomains; ccTLDs publish none)",
                      "maxLength": 253,
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793136692/bazaar-icons/33e0d64a881c43a7.png",
    "lastUpdated": "2026-10-27T21:31:55.242Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T21:31:55.056Z"
    },
    "resource": "https://how.is/v1/domain/changes",
    "serviceName": "how.is",
    "tags": [
      "domain-history",
      "nameservers",
      "zone-files",
      "phishing",
      "security"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check when a domain appeared in the registry zone file, left it, came back or changed nameservers, from daily gTLD and .com/.net zone files. A sudden nameserver move signals a hijack or sale; a brand-new name signals phishing."
}

What the leaf hashes

{"body":"febeed38a86475a1bebf13e97670cd6e62da682186604d1c4dead4e482e2a51d","id":751172,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178705160906,"prev":563454,"subject":"x402_bazaar:https://how.is/v1/domain/changes","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x4529880e7e221f4aa0315d324178e4afdcbef954bce24b23822bcf078aeaeaf5
2. 0x338248156e46643cc9c49372260b4c5015a4a10af0f380e58ad0a07225544c13
3. 0xeb6f74fd722bc92bcb3a10c5d3907a1136cbe7c6730403e6c578719a13acfa51
4. 0x07e30c4be8465f976cb5e6bbc3adeae66064562e9560cb5260ac7991a167fbd3
5. 0x5fc3871b6d32c56639ce8d9deb83577aba88717d28b5df3fdb9edea6ac011938
6. 0xe38b113b405dd1d48b3671ea0c87e6fedd3620cee49de14e633d74264834ee7e
7. 0x3802d5cdde0a4c32aba669d6a7f16d839109488fbbeb7f49bf2c61567f11b9f2
8. 0xb918f661a311d4030f12b2f122a1fbec8b35acdf0dead76b08204766a3f14b47
9. 0xbc5e8a93314fae9fd295a107d1e822d5f22b3f20e6d05fd261abd3cae1a7a2d5
10. 0xe90cdec8b36b8336e33291a66bcce352f3a754952cdc986f7b5520e164d5ec60
11. 0x1de4553f4f49546b09b5e92560b125baadc68729ff7d85ff866a71bd081a6239
12. 0xa42f0d8f627149b7cdfb8ff4d65d4c18f851578f3c6cd50a33767f225a232830
13. 0x61139ad7d606f7313043f7df1dce650b88fec9b3f4115099388cfb12e3b2c33d
14. 0xb8468b110fdd4b1ba83cf25249a313b6361839956c4e0f61b3f3edfce5fe58d8
15. 0x91690f98682e078d41b8b72edeaea70473545a876fc3baa645fc988225096386
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae