Evidence row 118721

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://preipo-feed.vercel.app/preipo/funding-rounds"
    ]
  ],
  "name": "PreIPO Feed by Aaron Zhang",
  "owner_address": "0x4b5887b6e399c2e104becd01f7c406229c15891d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4b5887B6E399C2E104becd01f7c406229c15891d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:84532",
        "payTo": "0x4b5887B6E399C2E104becd01f7c406229c15891d",
        "scheme": "exact"
      }
    ],
    "description": "AI lab funding rounds and valuations as JSON (OpenAI, Anthropic): round size, post-money valuation, rounds in talks, employee tender offers, IPO valuation targets, strategic investor commitments. Each row keeps its source URL, verification grade (primary/secondary/reported) and value type.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "companies": [
                {
                  "company": "Anthropic",
                  "rows": [
                    {
                      "id": "last_private_post_money_2026_05",
                      "value": 965000000000,
                      "verification": "primary"
                    }
                  ]
                }
              ],
              "dataset": "ai-lab-funding-rounds"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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": "2026-10-08T09:32:09.293Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T09:32:09.162Z"
    },
    "resource": "https://preipo-feed.vercel.app/preipo/funding-rounds",
    "serviceName": "PreIPO Feed by Aaron Zhang",
    "tags": [
      "ai-lab",
      "funding-round",
      "valuation",
      "pre-ipo",
      "openai"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "AI lab funding rounds and valuations as JSON (OpenAI, Anthropic): round size, post-money valuation, rounds in talks, employee tender offers, IPO valuation targets, strategic investor commitments. Each row keeps its source URL, verification grade (primary/secondary/reported) and value type."
}

What the leaf hashes

{"body":"e44d84d89b886678ede493ffdefa1e16bdb3f665a3f19c71bcfc744cb57a72ba","id":118721,"kind":"listing","method":"baseline/1","observed_us":1793025613633982,"prev":null,"subject":"x402_bazaar:https://preipo-feed.vercel.app/preipo/funding-rounds","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. 0xfda166d7bec91af7f4b3bbcd4b1a57c0e44e73c29aa11060392b631cc54ce87d
2. 0xf72228de67dd86dae9fe96fd714c21368e7bedfdba75443e95f183c2ca3245c4
3. 0xb5d039e9049a96c18681e09384aba0b00f5b4e92e3d7f0ebeed1f92907259600
4. 0x398c828a81c70ac7c339e5c173cc6677c40ee37ecf9db45a2d578e5924489e92
5. 0xaabfa8347669f93544547ba5db4c5d1c5df28726a220694478f308a84b0314a0
6. 0xd8acb005b2153deef571ae65beb62776607eee2db28bbce062bf3cf8d51cae24
7. 0xfc692905d36418885b23f44d390dc014cd8ce265b5456d4fbc4b9ed640f182d8
8. 0x9d423326bdba15b8164e26b9906ba0c78eebd18f378dd4355bcd293ba3e80ea1
9. 0x12873fa4bf9cc9d556151ad756d73e7cf9637b4ac1712a30d12a4f98a13a0d19
10. 0x8420578b5ff109895e07c3ba27d964c26e4280e809929d899076e79b5c159eaf
11. 0xf45641bf26b2b86d9338aa6dc8640a8a378fbd786d23400636aaf30709453e50
12. 0xa1d268c111b09550fdb70b6d9d0b58c94dc828b083baa8f1360300aab6230a9c
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae