← The evidence ledger
Evidence row 64799
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.agoranome.com/v1/seller/attest
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 697b0da8a661a3cd6342f404832c6ec15df5959328344c7e1b5cdb6d9f499134
- Leaf
- 0x59b23369bb8a67156f14532ece077806942434031c5a7d69ba2eb37234f0dc3b
What was observed
{
"endpoints": [
[
"x402",
"https://api.agoranome.com/v1/seller/attest"
]
],
"name": "Agoranome",
"owner_address": "0x82f7d272628cffc810fa13c90634add245da42a5",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x82f7d272628cffc810fa13c90634add245da42a5",
"scheme": "exact"
}
],
"description": "Trust proof for an x402 seller: a signed attestation of your API's sample output, so buyer agents can check it before paying. Agoranome fetches a free sample from your endpoint's host, checks that your paid route on the same host answers with an x402 offer, and signs an attestation of what it saw and when: the sample's SHA-256 and body, and the offer's price, network and pay-to. Buyers check it at a public URL.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"resource": "https://api.example.com/v1/pdf",
"sample": "https://api.example.com/v1/pdf/sample"
},
"type": "http"
},
"output": {
"example": {
"result": {
"attestation": {
"offer": {
"accepts": [
{
"pay_to": "0x...",
"price_usd": 0.02
}
]
},
"provenance": {
"agent_address": "0x...",
"signature": "..."
},
"sample": {
"bytes": 1832,
"sha256": "...",
"status": 200
}
},
"attestation_id": "att_...",
"url": "https://api.agoranome.com/v1/attestations/att_..."
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"resource": {
"description": "Your paid x402 endpoint, on the same host as the sample",
"type": "string"
},
"sample": {
"description": "Public https URL that returns a sample output without payment",
"type": "string"
}
},
"required": [
"sample",
"resource"
],
"type": "object"
},
"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": "2026-10-24T02:32:19.766Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-24T02:32:19.375Z"
},
"resource": "https://api.agoranome.com/v1/seller/attest",
"serviceName": "Agoranome",
"tags": [
"x402",
"attestation",
"trust",
"output check",
"seller tools"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Trust proof for an x402 seller: a signed attestation of your API's sample output, so buyer agents can check it before paying. Agoranome fetches a free sample from your endpoint's host, checks that your paid route on the same host answers with an x402 offer, and signs an attestation of what it saw and when: the sample's SHA-256 and body, and the offer's price, network and pay-to. Buyers check it at a public URL."
}What the leaf hashes
{"body":"697b0da8a661a3cd6342f404832c6ec15df5959328344c7e1b5cdb6d9f499134","id":64799,"kind":"listing","method":"baseline/1","observed_us":1793025457310245,"prev":null,"subject":"x402_bazaar:https://api.agoranome.com/v1/seller/attest","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).
- 0x59b244dbe013cc89822b81db3fa0f4b27012b28206c64a72981c6a23ac14e6a3
- 0xad83c15e69f4c9f23a419cfefc77e7a8547a8f0615505b6496828cd42dfd21f5
- 0x6747fab425c10f6cd2f8db4ec34bc747c9b077344368bc1fad422613a5bb521b
- 0xb14f54ee53b2b416037320f2724fa1554bcfd140480190c69a2b9990297b8589
- 0x3c5667683b094f40e6cc6fa71f60dc16fa505d3e3265f07693c0a1a52a8014bb
- 0xd0c2594d0d1b184987531afebd027d56cecf7f5a002a073ca75b317f6645cb00
- 0x408a05b0455f4d4a5e08ffcc04b84f3a4b93b65bba7a3c389aa273c8b05488a5
- 0x38943124942d8428380e4d121c872e70e8723046c88ccf0fe22f451d0bf69410
- 0x9fe2b5bb49c3c1c0cfb9a7e2175505abb418851419201d4ff747b61a8778232a
- 0x109a3cbe67d20751c1bafc45b08ecc03404d3cc4decd7b239de884bc7e6340d6
- 0x3ada80dcde3daf850269166ea2ab667084c23fe8ab3b3994664b930470ebdef7
- 0xf522fa92d4115c2b18b96aa43119f8df9b4e96c92f5d6449d0fe96dcd4bf324c
- 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
- 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae