Evidence row 71496

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/crypto/btc-fees"
    ]
  ],
  "name": "Bitcoin Fee Estimates",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "Bitcoin network fee rates in sat/vB for next block, 30 minutes, 1 hour and economy, plus mempool size, block height and the cost of a typical payment. Use right before sending BTC.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "block_height": 972583,
              "economy": 1,
              "fastest": 1,
              "half_hour": 1,
              "hour": 1,
              "mempool_tx_count": 54726,
              "mempool_vsize": 25258524,
              "minimum": 1,
              "source": "mempool.space",
              "typical_tx_cost_sats": {
                "fastest": 141,
                "hour": 141
              },
              "typical_tx_vbytes": 141,
              "unit": "sat/vB"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "required": [],
                  "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": "2026-10-25T11:37:47.611Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T11:37:47.212Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/crypto/btc-fees",
    "serviceName": "Bitcoin Fee Estimates",
    "tags": [
      "bitcoin",
      "fees",
      "mempool",
      "btc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Bitcoin network fee rates in sat/vB for next block, 30 minutes, 1 hour and economy, plus mempool size, block height and the cost of a typical payment. Use right before sending BTC."
}

What the leaf hashes

{"body":"b9a29749bb5fa57fb083cff52f336817d0e8fb5802ab0baf8899030c4e6c6ba1","id":71496,"kind":"listing","method":"baseline/1","observed_us":1793025482427738,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/crypto/btc-fees","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. 0x6d6983de678b4a8fdfbd2df900a2d36c8f65f940c49178fb898174739114df4f
2. 0x3875b66f7ea5441f6fcdca00dbe2f29eaf43382175175753851a240e954f461a
3. 0x4b41f0dbbbeb2cb3195c6d6eb6952ac716b783499fa4fe891517597a043bbd7b
4. 0x1e0d06c8e523f94aed230cf505098d748ea515b37cf0d3d914ac432ed99da091
5. 0x4972fdf68f216317dc83641a8f3e9cb3298687f4b2a577f44d5a2a4255dbc0c4
6. 0xb640d07ea7addb9454f2d73f49f7f5bf033816771daf35f7049266759f802aaa
7. 0x159f61355c20b88c536469d12f1ac729445fbc61400f9060fd1b3337e0554510
8. 0x2a6da729da9cecc568cbb9352d9ef48284d5333482269abb43a63501c4153387
9. 0x0e73789be7c40cfc0ff942e36c98ca89369b26c9056ecb17c09cfe774720d480
10. 0xd436881f2f0c7eba4a0a8b847ff798d53394f793d9cffd7bdf04f6a3d5c2f8be
11. 0x82b0a13483194285c0c386d5ad47eb953493b28955a9a8e58da3a2e6e220ed30
12. 0x929b3f59cbf01edbae456522161805dd51e098dc3a66d845508de46581bb953c
13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae