Evidence row 278834

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pumpdata.fun/baserate"
    ]
  ],
  "name": "pumpdata",
  "owner_address": null,
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "name": "USDC"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BrYj2PMe2YLpEYnUkUDm5B5age2zTp3chWJr2hoAmG5S",
        "scheme": "exact"
      }
    ],
    "description": "pump.fun base rate for Solana memecoins: how many coins first traded inside a market-cap band (e.g. $15k-28k) in a window and the share that reached 2x, 5x, 10x, 20x within 3 h, dead coins counted, from every pump.fun trade ever ($0.005). Use before an alpha call or a buy to say how often coins like this one paid. Yesterday's bands are free at GET /public/baserate.json; for a coin's buyers POST /wallets, for its deployer GET /launch/{mint}.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "band": "15k-28k",
              "from": "2026-10-16T00:00:00Z",
              "to": "2026-10-17T00:00:00Z",
              "venue": "any"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "band": "15k-28k",
              "crossed": 2059,
              "from": "2026-10-16T00:00:00Z",
              "median_peak": 1.464,
              "peak_within_s": 10800,
              "per_day": 2059,
              "reached": {
                "10x": 0.051,
                "20x": 0.02,
                "2x": 0.343,
                "5x": 0.112
              },
              "to": "2026-10-17T00:00:00Z",
              "venue": "any"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "band": {
                      "description": "market-cap band in USD, e.g. 15k-28k; edges snap to 5k,10k,15k,20k,28k,40k,60k,100k,250k,1000k",
                      "type": "string"
                    },
                    "from": {
                      "description": "window start, ISO 8601",
                      "type": "string"
                    },
                    "to": {
                      "description": "window end, ISO 8601; at most 31 days after from (split a longer window); a window ending under 3 h before the data's as-of (X-Data-As-Of) is cut there",
                      "type": "string"
                    },
                    "venue": {
                      "description": "default any",
                      "enum": [
                        "curve",
                        "pool",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "band",
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T14:02:47.209Z",
    "quality": {
      "l30DaysTotalCalls": 20,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T14:02:46.677Z"
    },
    "resource": "https://pumpdata.fun/baserate",
    "serviceName": "pumpdata",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "pump.fun base rate for Solana memecoins: how many coins first traded inside a market-cap band (e.g. $15k-28k) in a window and the share that reached 2x, 5x, 10x, 20x within 3 h, dead coins counted, from every pump.fun trade ever ($0.005). Use before an alpha call or a buy to say how often coins like this one paid. Yesterday's bands are free at GET /public/baserate.json; for a coin's buyers POST /wallets, for its deployer GET /launch/{mint}."
}

What the leaf hashes

{"body":"acf2dc72dd599de023424a5ece5acd1175984b0d61f91fe4d07950161f1e6a20","id":278834,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079890456,"prev":15765,"subject":"x402_bazaar:https://pumpdata.fun/baserate","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. 0xf379fa67803753d5933d00a749b80869c85bb777ef0602bc92cc07a2a01493d0
2. 0xab288264a6bc96261d3bfc460fa8b065db3d24cba14a17f9daf489a7e6f1a2fa
3. 0xe9d54ded987d20f6244ca9b96e67fa1e2f9a59507297505f4ef4f88d56738b0f
4. 0xfb5512024d694f0e9f7a8f07ca428fe0bfae10fee64e03dbcbd264815b5bf866
5. 0xa6a3722225b73e90f284d65c5704db40e5c655fb2efca93726c7e7c7a90fcde3
6. 0xc7471c8f413a8c1f6cb34dd81e5a16a89330128402936459ee1bc97dc9ac941c
7. 0xaa2897e9075e421c9ff6b41ff2dbd70332be668136b1fc455d9d05f13ac04b20
8. 0xb025e8cc3f8be5dbb64fe92880411275c54081bf56fdac29e4a4ae5c2cd93fe9
9. 0x360b9514f6911ebbca63a4a540018824f2b21ab20676b25f31c3329d87570c07
10. 0x67f025e785d862e818e533cc91b12de424ba2fa38e9f06f58b81ae8c82da1146
11. 0xc50899a255d8f2b1b1fc55129b98f94521e73c5252d7c947abcfcdde2955260c
12. 0x3e439c99553dde4ddc1a9189bc043fa92a4b6b41e39e7e6b21c10148f9558a78
13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae