Evidence row 70981

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.ysaere.com/v1/notary/stamp-page"
    ]
  ],
  "name": "Ysaere",
  "owner_address": "0x5d83d8f433e72013cebd649665662ee07e030b05",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5D83D8f433e72013ceBd649665662Ee07e030B05",
        "scheme": "exact"
      }
    ],
    "description": "Ysaere Agent Page Stamp — $0.02 USDC, no account needed. Input: {\"url\":\"https://example.com/page\"}. Fetches that public https page and returns a signed hash of the bytes. The page is not stored. A blocked or failed fetch is refused. No payment was taken until the page is read. Wallet only. No account price.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "content_hash": "v2:sha512:…",
                "mode": "source_snapshot",
                "signature": "…",
                "source_url": "https://example.com/",
                "verified": true,
                "verify_url": "https://api.ysaere.com/v1/notary/receipts/…"
              },
              "provenance": {
                "kind": "external_attestation",
                "mode": "source_snapshot",
                "signature": "…",
                "verify_url": "https://api.ysaere.com/v1/notary/receipts/…"
              },
              "usage": {
                "credits_consumed": 0,
                "payment_rail": "x402",
                "x402_tx_hash": "0x…"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "description": "Fetch a public web page, hash the snapshot, and return a signed Notary receipt and verify URL.",
                  "properties": {
                    "url": {
                      "description": "Public https:// URL to fetch and stamp",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "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": "2026-10-23T22:00:07.022Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T22:00:06.731Z"
    },
    "resource": "https://api.ysaere.com/v1/notary/stamp-page",
    "serviceName": "Ysaere",
    "tags": [
      "notary",
      "web-snapshot",
      "sha512",
      "attestation",
      "receipt"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ysaere Agent Page Stamp — $0.02 USDC, no account needed. Input: {\"url\":\"https://example.com/page\"}. Fetches that public https page and returns a signed hash of the bytes. The page is not stored. A blocked or failed fetch is refused. No payment was taken until the page is read. Wallet only. No account price."
}

What the leaf hashes

{"body":"54d4f836095cb65fa76ef2ab664b347ea0e0f0519e335836a592bf90c11e13ab","id":70981,"kind":"listing","method":"baseline/1","observed_us":1793025481257587,"prev":null,"subject":"x402_bazaar:https://api.ysaere.com/v1/notary/stamp-page","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. 0x0e42e7e7e8513b9f8410c91c2531ee6b142b077e18004a2bf36ba84ae42b02e5
2. 0x6a881c0c617a2c2fd12ed585c6fb87fcf1a6ce256029e241f8b387fa3bf089fe
3. 0xe66daee0a866972b870fbf5981965844c0850086ac4eee5a2a65c75d43de7568
4. 0x95d29f74d52f6b5f1e0243b1082e4a3f4853f803c325cc332bace724668d78d5
5. 0xdbbdbbb43a995a7ea7b741209ada2123238fc3540eb1f3961e2c3126a1b21dce
6. 0xda00b71811301da5212cd1b24908fa1cc6e1ae98d2564e508ea383042bfe0674
7. 0xcb1dd8b41a01f821e92aba73119f43c38c370136f7500dbddfa4719308c5426c
8. 0xceb1ed4017c253359948a7aa3d308c106b08ca51d86d713b7da766eb2c8a3a08
9. 0xead9a6156edbe945f92b0a6e8911d22b4f0c06bd71873411d30cd030f002f116
10. 0x0842c44dec907bb373ec0cde9d6e9eb413b8d2717a5b1ff99c082661c2eb4286
11. 0xce6314435eaa4c458576d2a1150a919748260a8a10f1eae96b7a8bc75ff32536
12. 0x362683225b724b8d2d652a95968c57a6f4199ed4f2ad60900fc3603492f17520
13. 0x5aefcf9e3d86e125861c0d490079969110eea8fc901ec61531bba10bb58258a1
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae