Evidence row 72136

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cc0.company/api/store/agent-services/cc0pedia/invoke"
    ]
  ],
  "name": "cc0.company/api/store/agent-services/cc0pedia/invoke",
  "owner_address": "0xba816f0708a91a2cde866f70e931d93e83dd6ef5",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:8453",
        "payTo": "0xBA816F0708a91A2CDe866F70e931D93e83Dd6eF5",
        "scheme": "exact"
      }
    ],
    "description": "cc0.company — x402 agent-services marketplace on Base (USDC): CC0 image generation, market-data digests, and third-party agent tools. This endpoint: cc0pedia — look up any CC0 creator, collection, or work by name/slug and get provenance, creator, license, on-chain pointers + full CC0 body. Synchronous JSON, $0.01/lookup.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "query": "sartoshi"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "creator": null,
              "entry": {
                "body": "## About\nsartoshi is the pseudonymous artist who created mfers…",
                "canonical_url": "https://cc0.company/cc0pedia/sartoshi",
                "collections": [
                  {
                    "chain": "ethereum",
                    "contract_address": "0x79fcdef22feed20eddacbb2587640e45491b757f",
                    "name": "mfers",
                    "opensea_url": "https://opensea.io/collection/mfers",
                    "year": "2021"
                  }
                ],
                "content_license": "CC0-1.0",
                "excerpt": "Pseudonymous creator of mfers — 10,000 hand-drawn CC0 PFPs minted on Ethereum on 30 Nov 2021, a cornerstone of the CC0 movement.",
                "id": "01KVXK6AQP7YCGRGA3WPQABQT3",
                "kind": "artist",
                "links": {
                  "twitter": "sartoshi_rip"
                },
                "profile_image": "https://cc0.company/…/sartoshi.png",
                "quality": "featured",
                "slug": "sartoshi",
                "tags": [
                  "mfers",
                  "cc0",
                  "pfp",
                  "ethereum"
                ],
                "title": "sartoshi"
              },
              "matched_by": "slug",
              "meta": {
                "canonical_url": "https://cc0.company/cc0pedia/sartoshi",
                "content_license": "CC0-1.0",
                "database": "cc0pedia"
              },
              "price_usdc": "0.01",
              "query": "sartoshi",
              "related_works": [
                {
                  "slug": "mfers",
                  "title": "mfers",
                  "url": "https://cc0.company/cc0pedia/mfers"
                }
              ],
              "service": "cc0pedia",
              "success": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "query": {
                      "description": "Name or slug of the CC0 creator, collection, or work to look up (e.g. 'sartoshi', 'mfers', 'xcopy'). Resolved by exact slug → id → fuzzy title. Browse the catalog at https://cc0.company/cc0pedia.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "query"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T22:38:07.886Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-23T22:38:07.409Z"
    },
    "resource": "https://cc0.company/api/store/agent-services/cc0pedia/invoke",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "cc0.company — x402 agent-services marketplace on Base (USDC): CC0 image generation, market-data digests, and third-party agent tools. This endpoint: cc0pedia — look up any CC0 creator, collection, or work by name/slug and get provenance, creator, license, on-chain pointers + full CC0 body. Synchronous JSON, $0.01/lookup."
}

What the leaf hashes

{"body":"0e867598876adde9ca5ea94818837e5c74bcc28eed5fdf61965b13e9a4f9ca12","id":72136,"kind":"listing","method":"baseline/1","observed_us":1793025485426827,"prev":null,"subject":"x402_bazaar:https://cc0.company/api/store/agent-services/cc0pedia/invoke","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. 0x2ee048fe5ba14e7a3191377fe731f674800fcfbf22148ce8976f685b48db56db
2. 0xdba37665d127590cb7d6fbefc1656e6466d6f5abc8a3f6d38d7a49bdf20dc4cf
3. 0x5a68871e2212b2e82fc87f84f21396e198c8cbe27fc6b1820c116a0d578c33a9
4. 0xcbffebb81209364754bf10adc2f1ed618a09b31261a1a6c62bd949eeac2f9aa5
5. 0x2757c9dc6b6606a350a7df6b115298585327c4f01479860928c4f2d482ce4fc1
6. 0x25c52a7cfb111ed986b515fbc1bfe87747a8db9ed5d34f3091f010a106905540
7. 0xcaf4009a326600bc03bbd482e5a2bf82aaf86de6be8fa243a8e5259ea61db51a
8. 0x9564de13766086d45570bbd5363293a975fafb3f832e35d47945c5f1a458db53
9. 0xbddd9b063a3946ab61c8158d7226c1016be9766dbbe0ed3a74a7a316e0807559
10. 0x45daaa50539c5773a3e61706e61da1f28042f778963819529ed093efc27f3352
11. 0x2087bc34c7c4a9c4216b0697b940d6f0a768262a8da11f1e788c8045c979de9c
12. 0x12cda00da304cf48d9b3c1874c07a6f0a2e143ba0d25e359b8fd805abb057b32
13. 0x36a44931b230976c04691d90bf3a25ed4111d74c78b672850d8025a911ca88dd
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae