Evidence row 2205188

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.magentlab.com/api/calc/rfm"
    ]
  ],
  "name": "magent",
  "owner_address": "0x836be278f1739fb4308091cd1852f7971bc19ee2",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "paymentFlow": "upfront",
          "resourceUrl": "https://api.magentlab.com/api/calc/rfm",
          "version": "2"
        },
        "maxTimeoutSeconds": 600,
        "network": "eip155:8453",
        "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
          "version": "2",
          "withdrawDelay": 86400
        },
        "maxTimeoutSeconds": 600,
        "network": "eip155:8453",
        "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
        "scheme": "batch-settlement"
      }
    ],
    "description": "Relative fat mass (RFM) from height, waist, and sex (Woolcott 2018). Height and ",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "height_cm": 180,
              "height_in": 70,
              "sex": "male",
              "waist_cm": 90
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T12:00:54.591Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T12:00:54.458Z"
    },
    "resource": "https://api.magentlab.com/api/calc/rfm",
    "serviceName": "magent",
    "tags": [
      "rfm",
      "body-fat",
      "waist",
      "body-size",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Relative fat mass (RFM) from height, waist, and sex (Woolcott 2018). Height and"
}

What the leaf hashes

{"body":"7728c3250865508169e907c68d698163292e4df33a4ec960c01a0faad3b19fa2","id":2205188,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646953854520,"prev":null,"subject":"x402_bazaar:https://api.magentlab.com/api/calc/rfm","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x44692446bc3ae47a6448c120d15ddbb7977ecf012a537b24a9687fd08a2bfd4a
2. 0x9bebb7159ca4e67b2efee755cae40f29e966459102f7b65eb55bbf40a79094ef
3. 0xfb76282a17d092040780d8a5c9627fcd76d9b87587235be04e19f509b4f3fa9b
4. 0x6b9c86e60d4ab916f445477da6ca8c7163575b3e40e2907d7c9fa6d8565c35d1
5. 0x1770f5f1d484711c635a52ae9d2fe621af417572fae8d29b7a759da7a6116408
6. 0x9ea15c13a6a504ca94d3b62b1d7076261f6c83ec6b3824d6efbbe9c1401097bd
7. 0xc48d62455efe1698cd2442d4dcd92db88795ab827827b0b0551c66279983e1cb
8. 0x67ff88f371b2b6e18edbb55df8ad35d81291e83a004c3b3661325631304b9540
9. 0xfdf84d17c1892ed116aa9e42b90dfd76177891688046c65d4e8307a2df3db473
10. 0x74eec6890666dca5773eca0fee354576562bac7e5e54a24138a386f770dc4531
11. 0x9b52af3861e436015165f4843e485a2a987ca3915ca3ea656173b5eeabc01ea9
12. 0xbc7027b08c105107379103e4bb6da46cb151f2ad9354e23245ef7a2991eacef7
13. 0x95a273bb8932dab7d9961e32e3d3be866bd51e98c7772b268db2595e5869b5c4
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af