Evidence row 526655

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pumpdata.fun/baserate"
    ]
  ],
  "name": "pumpdata",
  "owner_address": null,
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "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": "2026-10-27T14:01:49.365Z",
    "quality": {
      "l30DaysTotalCalls": 21,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-27T10:22:55.057Z"
    },
    "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":"d79daafe1e0c5051dd3bdc08e6d8df78913f31f9f2cba7990d4500dc14fab534","id":526655,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124789995117,"prev":451786,"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 2026-10-27 (273461 rows).

1. 0x9f984146c473ddbf1c2c6e74dc08cfe1fe9dab8c92577f84172f67fb9a292943
2. 0x9d02af6c4eb7292afb52d1e2df78ec84c3f53ef422624f910c07629bdc1790ac
3. 0x82cd88c04e948c0d17b4f9378e51358ee891e03dcf04f9d32851d821cab79a97
4. 0xbb19bc86f5ffdb15742599108f8afd7df5191aded7b7f24512f3587f70fb8845
5. 0x128b40d12c2183e3ec8d30b08f78300b8ada96634f7c0cbeac2a1877bac6bcf6
6. 0x11cc44777e042963fef790ebf0159b28f38dd3c17917e1b3815d77c3ace1619f
7. 0x75f5cc39f212d806afc1b06629bfda105ce13f26d8b212278b0d85bfd79be4f5
8. 0x48fa843c824f502383dfc1249f67cde38d69596405b69f54455d3a3a1efed97f
9. 0x30caf7a13cc90e3af6c2d6742c6c4ed401196828fbf2a108208b95b043ff66d4
10. 0x9f4eee77d8e6f50fe4369710b97c373f905852cb900084def77f27b459bf7a49
11. 0x70dbf5e56b082ea372d9f6f322b44de4dc06b3985cb3c1eb26e7a0dab527ff28
12. 0x121ffc8b387c54931bc53056e106d9ada0e2f7c1d32ebc819c3306406c952295
13. 0xa91c23113464e2fc1e93d41e407b7c6c254bee2eac2f7a550e2f9a1275eef26a
14. 0xb37e6165108af3c1962db6b76953aee5ee86201747a07444ad2760bf2d5dca23
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4