Evidence row 278833

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pumpdata.fun/launch/:solana_address"
    ]
  ],
  "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": "Deployer record and launch history for one pump.fun memecoin: the deployer's launches, graduations, best run and gaps, the bundle at creation, the insiders' share of supply, curve progress, and how launches that looked the same at this age went over their next 24 h (peak, graduated or dead), from every pump.fun launch ever ($0.005). Use before buying or calling a fresh pump.fun coin; for its buyers POST /wallets, for the band's base rate GET /baserate.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "mint": "D27Lb9LA6D4dFpogGoXMXvZYkRsZ7UuctxAFpFQ3pump"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "age_s": 540,
              "bundle_at_creation": {
                "buyers_first_10s": 6,
                "supply_share": 0.21
              },
              "compare_to": {
                "band": "15k-28k",
                "basis": "headline band 15k-28k: the answer carries no USD market cap for this launch",
                "crossed": 2059,
                "from": "2026-10-16T00:00:00Z",
                "median_peak": 1.464,
                "reached": {
                  "10x": 0.051,
                  "20x": 0.02,
                  "2x": 0.343,
                  "5x": 0.112
                },
                "source": "/public/baserate.json",
                "to": "2026-10-17T00:00:00Z",
                "venue": "any"
              },
              "created": "2026-10-17T04:56:00Z",
              "curve_progress": 0.42,
              "deployer": {
                "best_peak": 12.4,
                "graduations": 1,
                "launches": 14
              },
              "freshness": {
                "data_as_of": "2026-10-17T00:00:00Z",
                "lag_s": 18300
              },
              "insider_supply_share": 0.18,
              "market_cap_usd_at_age": null,
              "matches": {
                "close_day1": {
                  "p50": 0.4
                },
                "graduated_share": 0.03,
                "n": 3120,
                "peak_day1": {
                  "p50": 1.1
                }
              },
              "migrated_at": null,
              "mint": "D27Lb9LA6D4dFpogGoXMXvZYkRsZ7UuctxAFpFQ3pump",
              "next_steps": [
                {
                  "call": "baserate",
                  "method": "GET",
                  "path": "/baserate?band=15k-28k&from=2026-10-16T00%3A00%3A00Z&to=2026-10-17T00%3A00%3A00Z&venue=any",
                  "price_usd": 0.005,
                  "why": "the base rate for the 15k-28k band over any window you choose; this path is compare_to's window"
                },
                {
                  "call": "replay",
                  "method": "POST",
                  "path": "/replay",
                  "price_usd": 2,
                  "why": "replay picks on this mint against the chain's history; the body is {picks: [{mint: \"D27Lb9LA6D4dFpogGoXMXvZYkRsZ7UuctxAFpFQ3pump\", at, size_sol}]}"
                }
              ],
              "summary": "This launch was created 9 min ago by a deployer with 14 launches and 1 graduation on record; 6 buyers in the first 10 s took 21% of supply; insiders' share of supply on record: 18%; curve progress on record: 42%; 3120 launches matched it: 3% of them graduated, their median peak over the next 24 h was 1.1x the market cap at that age, their median close 24 h on was 0.4x; for comparison, 2059 coins first traded inside the 15k-28k band from 2026-10-16T00:00:00Z to 2026-10-17T00:00:00Z (venue any) and 34.3% reached 2x, 11.2% reached 5x, 5.1% reached 10x, 2% reached 20x within 3 h."
            },
            "type": "json"
          }
        },
        "routeTemplate": "/launch/:solana_address",
        "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"
                },
                "pathParams": {
                  "properties": {
                    "mint": {
                      "description": "the coin's mint address",
                      "type": "string"
                    }
                  },
                  "required": [
                    "mint"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "pathParams"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T14:02:50.173Z",
    "quality": {
      "l30DaysTotalCalls": 12,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T14:02:49.872Z"
    },
    "resource": "https://pumpdata.fun/launch/:solana_address",
    "serviceName": "pumpdata",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Deployer record and launch history for one pump.fun memecoin: the deployer's launches, graduations, best run and gaps, the bundle at creation, the insiders' share of supply, curve progress, and how launches that looked the same at this age went over their next 24 h (peak, graduated or dead), from every pump.fun launch ever ($0.005). Use before buying or calling a fresh pump.fun coin; for its buyers POST /wallets, for the band's base rate GET /baserate."
}

What the leaf hashes

{"body":"48fb944d303bbb391a0cc65025abad8ae793250898bedf14aeada746ec7b1253","id":278833,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079887366,"prev":15764,"subject":"x402_bazaar:https://pumpdata.fun/launch/:solana_address","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. 0x56f0bef2fa540f49cfd78bff8c6d6079f0c0d2457a946b90e6bed7de6e6a4bc8
2. 0x51ad6adf76b985c5731f82909d6afbafab08e159fa849797ad294ae5c16e5b22
3. 0xa31a5f3da8ed3240b2b2b2f03984fffd92b0234bcc9f388463b32429ff7ccff0
4. 0xd45ce776c78e90873935e87e0bd0323af74909772dad3972d2807c8234df627d
5. 0x4241a200f3a7ec0187c99e35415099342a47e98c89699a20c9e8590bc5b54000
6. 0xf6278c8f26876f22974de730dc94e8e251fe4f620b143090ae340e2e0764dd19
7. 0xaff939a070f302e5d3320d244c436fc59bda6b6d58f89d0f9c669cef4a820a5c
8. 0x5b0b0b535a829df77990e2d4dcef5c7df0fbdab078924f49a750eb4a125ccd80
9. 0xb3be4a874b183d8692dca7f0753feeeffeba3c7aa1391c3b30d68034c0cdcfbc
10. 0x6ad191c620905d75c8f292ab1bfa2ccb573a7a6056d4736144314aef5604460e
11. 0x7c6e7d8ec8a6bb5540ab8e4e885e6c646f71198fce1b0e917447538a70811486
12. 0x01ecb94c2efbfb8e9050ebbd813fbba80bbcbc345f98de707345bc4bc88c94e8
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae