Evidence row 1262702

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.aiskills402.com/v1/skills/react-performance-review/file"
    ]
  ],
  "name": "React Performance Review",
  "owner_address": "0x8e37022edcf0f21cf3c9f93fee9d4d32519f36f4",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x8e37022edcf0f21cf3c9f93fee9d4d32519f36f4",
        "scheme": "exact"
      }
    ],
    "description": "React Performance Review — Reviews pasted React and Next.js App Router code for five performance mistakes that pass every test and then make pages slow, and lists only those, one line each with a fixed code, the place, why it costs time and the fix - or exactly No findings. It catches independent awaits written one after another so the page waits for their sum, an effect that copies something derivable during render into state, a use client mark placed on a whole page when only a small leaf nee…",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "file": {
                "content": "<the SKILL.md file>",
                "encoding": "utf-8",
                "name": "SKILL.md"
              },
              "name": "React Performance Review",
              "ok": true,
              "receipt": {
                "settled": true,
                "tx": "0x<settlement transaction>"
              },
              "redownload": {
                "token": "<64 hex chars>",
                "url": "<api>/v1/purchases/<token>"
              },
              "sha256": "<sha256 of SKILL.md>",
              "skill": "react-performance-review",
              "version": "1.0.0"
            },
            "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"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
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              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
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                },
                "type": {
                  "type": "string"
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              },
              "required": [
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              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T03:10:53.321Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T03:10:53.099Z"
    },
    "resource": "https://api.aiskills402.com/v1/skills/react-performance-review/file",
    "serviceName": "React Performance Review",
    "tags": [
      "agent-skill",
      "react-performance-review",
      "react",
      "nextjs",
      "performance"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "React Performance Review — Reviews pasted React and Next.js App Router code for five performance mistakes that pass every test and then make pages slow, and lists only those, one line each with a fixed code, the place, why it costs time and the fix - or exactly No findings. It catches independent awaits written one after another so the page waits for their sum, an effect that copies something derivable during render into state, a use client mark placed on a whole page when only a small leaf nee…"
}

What the leaf hashes

{"body":"8f91a5f9dbb34fad9780536d3dacd9b5610ff5d9bca8156b5aa05aa590fa4b3b","id":1262702,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385583520627,"prev":null,"subject":"x402_bazaar:https://api.aiskills402.com/v1/skills/react-performance-review/file","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xf74cf93462ec99a137cac9775d5615a7eb604db91a65fb98b5454a0e068da38e
2. 0x729b6465d140923b438c2813b13845c1b3fc47b8a00ff46263210453a6ddbfcf
3. 0xe611efdc0859348ca9f2885caa67e0c3b23cac3ff3a8f99400276498ac1350b2
4. 0xeab4d0d638b891a92ea51212aad15eaae6523d62677f8d39eaf2a2fb80bd44ba
5. 0xea089f32794ac2ce65ea9b115e25f252bd338a6074c97585eebc59c9c5c9b979
6. 0xdc3df8a47b3400dd36a1cc4ac0eb92cc2fec406268e268c1df294fcd79b11e79
7. 0x78270a2c34fa89d860559431b68dd78e53bddcaad79ee773ab5bcf474d131803
8. 0x6b10050cfbf39ca2cab23d5a573146b01bf17ded288b2ea23ea56fc5ee73e951
9. 0xe6ff52dc62aee2a56134d80c85b243ac8b753adaccc63ee55bc3429f535db304
10. 0x9defb41174293c9e648864516b4229b630d41d83ba2898711a19207c5993b97f
11. 0x0940b6fd464c377b71faa7f1c4844d6c395fae62fd70a9d4078a14b28299488c
12. 0xe490e448c92cb147ad980d7582ca21e28af90e14a7ac510a5f40c9640b3574c0
13. 0x210e38e9dd5376d72ad5ec1ece34bfd86b982fb6b99a0fc15456f71070701f32
14. 0x11898e2157230be24bdb74fb634d1db6b9f70382aeb9c42eaff57b949f72aa88
15. 0x70547116135ca2b169483009739d1d461bcb7d178c352479612fae712aca3f88
16. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
17. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861