Evidence row 2633646

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.aiskills402.com/v1/skills/fixed-width-to-csv/file"
    ]
  ],
  "name": "AISkills402: Fixed-Width to CSV",
  "owner_address": "0xbc0dcc70d8b5d85541d86ffc68d988fd59c22e68",
  "raw": {
    "accepts": [
      {
        "amount": "30000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xbc0dcc70d8b5d85541d86ffc68d988fd59c22e68",
        "scheme": "exact"
      }
    ],
    "description": "Fixed-Width to CSV: Cut by Spec, Trim Only When Told — Converts fixed-width text (mainframe exports, bank and statistics files, printed reports) into RFC 4180 CSV from a column specification and answers with the CSV only, no code fence. Positions are 1-based and inclusive unless the spec says otherwise, and count characters, so accented and Cyrillic letters do not shift later columns. Every cell is the exact characters of its positions: nothing is trimmed unless the spec says trim, leading zero…",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "file": {
                "content": "<the SKILL.md file>",
                "encoding": "utf-8",
                "name": "SKILL.md"
              },
              "name": "Fixed-Width to CSV: Cut by Spec, Trim Only When Told",
              "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": "fixed-width-to-csv",
              "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",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T19:19:45.747Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T19:19:45.524Z"
    },
    "resource": "https://api.aiskills402.com/v1/skills/fixed-width-to-csv/file",
    "serviceName": "AISkills402: Fixed-Width to CSV",
    "tags": [
      "agent-skill",
      "fixed-width-to-csv",
      "fixed-width",
      "csv",
      "rfc-4180"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Fixed-Width to CSV: Cut by Spec, Trim Only When Told — Converts fixed-width text (mainframe exports, bank and statistics files, printed reports) into RFC 4180 CSV from a column specification and answers with the CSV only, no code fence. Positions are 1-based and inclusive unless the spec says otherwise, and count characters, so accented and Cyrillic letters do not shift later columns. Every cell is the exact characters of its positions: nothing is trimmed unless the spec says trim, leading zero…"
}

What the leaf hashes

{"body":"9bcd874bcd5e1eab0bf846b6b0f42cf48d67c8b1c2f243545754241aa95dbc80","id":2633646,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734406478132,"prev":64883,"subject":"x402_bazaar:https://api.aiskills402.com/v1/skills/fixed-width-to-csv/file","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x065a9948d92aefa878f3eeaad68a5efe73c65ef4f1d7b57bfb5ecd67b5d46c54
2. 0x39bc814b67e9abe409fe36672d866b62a7a83a9c6f1c93b09c5831be43bfa1f6
3. 0x4450b1b33298d4e51595ce5829dbaffb06a417935cebbc0702065abf5f215fcb
4. 0xc9c3e0de78913256f5761c2d638da69476a861d836182924dc4936d25cc1f41e
5. 0x7c37eacbe30f58da9ec34d08d533fb07f052f743279b03cf1c8ba5185a7c1159
6. 0x262b1641d719d1dbba06eddb51d37fca6bccc803a542677353477d53d90085e7
7. 0x220cc61eff8e6d2c8c4d201a7332f508f2a327bbefdd1add9294e5d1cfa853ec
8. 0xbcfd5f6fd51fd9ff2e7f744896f16beb506314bf8d932b10d6af60688ff012c9
9. 0x9ab8695198d4799b3ac678bbce9fddad44815590bfbee9b6ba6d30f68a8e1320
10. 0xcf815d3f5a7a6ad470f77bb784a4dea1483afe47ef863eda9ba9700f749eff53
11. 0x28af510117971e0a14cff23cc0c14163bca41b85bbf8f031c5b9b87a02a1f8fa
12. 0x03ee3ea4321cdab90fbd09c4031a0cefcea1b5b6bf7acf3c1e5f0b9e515098c7
13. 0x4e70d4f3d8061ba1880699efd21e122cab4e2a786faff4a0cdc4700d17a75055
14. 0x93ab7dcb2777a66a8864a3266602159fa29a49683bf095a1ec2a005ab2d78703
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7