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Evidence row 76789

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://ioswarm.io/api/v1/news/brief
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e0eaa018fc2b3db02661158b34755bb2d5e17b7d5e7eb207b8bbd142a2ecebbe
Leaf
0x4aa8944c9e3a71ab77c55b504ce06006edffc8a1bc496656d4dcb5f3b448c833

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ioswarm.io/api/v1/news/brief"
    ]
  ],
  "name": "ioswarm.io/api/v1/news/brief",
  "owner_address": "0xe4b6e29305b5eef77aa296dc87d8683e9750ed8f",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xe4b6e29305B5EEF77aA296dC87D8683E9750eD8F",
        "scheme": "exact"
      }
    ],
    "description": "Today's market-news brief in one call: the platform's newest published news digest synthesized with the live market wire into a cited bullet brief — every finding ends with its source URL. $0.05 per call, pay-only over x402 — no account, no free tier, no input required.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-02T13:00:00Z",
              "brief": "• … (https://example.com/story)\n• … (https://another.org/item)",
              "digest": {
                "as_of": "2026-10-02T12:00:00Z",
                "report_url": "https://ioswarm.io/s/…",
                "stories": [
                  {
                    "headline": "…",
                    "link": "https://…",
                    "source": "example.com"
                  }
                ],
                "title": "Today's news"
              },
              "headlines": [
                {
                  "headline": "…",
                  "link": "https://…",
                  "published": "2026-10-02T12:30:00Z",
                  "publisher": "…"
                }
              ],
              "paid": {
                "transaction": "0x…",
                "usd": 0.05
              },
              "usage": {
                "completion_tokens": 300,
                "prompt_tokens": 900
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {},
                  "required": [],
                  "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": "2026-10-08T05:36:08.196Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:36:01.494Z"
    },
    "resource": "https://ioswarm.io/api/v1/news/brief",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Today's market-news brief in one call: the platform's newest published news digest synthesized with the live market wire into a cited bullet brief — every finding ends with its source URL. $0.05 per call, pay-only over x402 — no account, no free tier, no input required."
}

What the leaf hashes

{"body":"e0eaa018fc2b3db02661158b34755bb2d5e17b7d5e7eb207b8bbd142a2ecebbe","id":76789,"kind":"listing","method":"baseline/1","observed_us":1793025492702391,"prev":null,"subject":"x402_bazaar:https://ioswarm.io/api/v1/news/brief","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x4aa9a33a86898ca52b3a7a5265ba9ba46eebf96cec9216f556b05bf82b4057dd
  2. 0x829feb4929efbd113483536ec9229481c859d45e81f528f4c48703f49a60ebb4
  3. 0xf120ab6742c35c1904d6da90ed9e86c99f61bbb91f86aa9fd3b580177c2efa04
  4. 0x6d71de3930ae1ea6e1267b8820e195bbaac1c66ecaa0b669a1bc86f24f729126
  5. 0x03b8b60611099497bdbd84ae2c8d802cea61ce32d2efc629dedaa56f4d865bc8
  6. 0xf2da0df90014523eb1502a32421eb37b6965b26f67494ef2a371da86f265362f
  7. 0xab02f6e4d4d5ff0069fc6210755673688d82ed944ec1340e595163aa6869cdb5
  8. 0x616675a0ba8eaf48c9c8783af26547b52ee13bfc55d2122a8538acaeb8ada576
  9. 0x3524309e6831e713c362548f4a446e06df06f23708410213dd9d60ebcd20a204
  10. 0xb9c44c195c511a74ed82b24db714e43b1a5a80029db27888948baa71082b81f9
  11. 0x401a323dfcffdb4ec1a75537dabf1f5c7403e6d01d2965f0f6eba13263cf7c64
  12. 0x67ae8949b58cb7b0dd4cfa0f9aeeee715e0ae6b87fef0ba46483bbf280004c53
  13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
  14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON