← The evidence ledger
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).
- 0x4aa9a33a86898ca52b3a7a5265ba9ba46eebf96cec9216f556b05bf82b4057dd
- 0x829feb4929efbd113483536ec9229481c859d45e81f528f4c48703f49a60ebb4
- 0xf120ab6742c35c1904d6da90ed9e86c99f61bbb91f86aa9fd3b580177c2efa04
- 0x6d71de3930ae1ea6e1267b8820e195bbaac1c66ecaa0b669a1bc86f24f729126
- 0x03b8b60611099497bdbd84ae2c8d802cea61ce32d2efc629dedaa56f4d865bc8
- 0xf2da0df90014523eb1502a32421eb37b6965b26f67494ef2a371da86f265362f
- 0xab02f6e4d4d5ff0069fc6210755673688d82ed944ec1340e595163aa6869cdb5
- 0x616675a0ba8eaf48c9c8783af26547b52ee13bfc55d2122a8538acaeb8ada576
- 0x3524309e6831e713c362548f4a446e06df06f23708410213dd9d60ebcd20a204
- 0xb9c44c195c511a74ed82b24db714e43b1a5a80029db27888948baa71082b81f9
- 0x401a323dfcffdb4ec1a75537dabf1f5c7403e6d01d2965f0f6eba13263cf7c64
- 0x67ae8949b58cb7b0dd4cfa0f9aeeee715e0ae6b87fef0ba46483bbf280004c53
- 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
- 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae