← The evidence ledger
Evidence row 127110
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402stock.vercel.app/api/v1/exchanges
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f430c4eb22dd664ef13d96957bf544bc36e74aafe6dc36a9188f8c53ca4ec55c
- Leaf
- 0x48d81a602f9eebd15f7183e029cc01a6e0437a54db16dd828d08dc3d72df274f
What was observed
{
"endpoints": [
[
"x402",
"https://x402stock.vercel.app/api/v1/exchanges"
]
],
"name": "x402stock.vercel.app/api/v1/exchanges",
"owner_address": "0x3070fbb3803819fb5bdfe9286fdc6325a877fa85",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x3070Fbb3803819fB5BdfE9286fdc6325A877fA85",
"scheme": "exact"
}
],
"description": "Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"as_of": "2026-05-29T20:00:00.000Z",
"count": 1,
"exchanges": [
{
"acronym": "AMEX",
"id": 1,
"mic": "XASE",
"name": "NYSE American, LLC",
"operating_mic": "XNYS",
"participant_id": "A",
"type": "exchange",
"url": "https://www.nyse.com/markets/nyse-american"
}
],
"source": "x402stock"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"as_of": {
"type": "string"
},
"count": {
"type": "number"
},
"exchanges": {
"items": {
"additionalProperties": false,
"properties": {
"acronym": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"id": {
"type": "number"
},
"mic": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"name": {
"type": "string"
},
"operating_mic": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"participant_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"type": {
"type": "string"
},
"url": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
}
},
"required": [
"id",
"type",
"name",
"acronym",
"mic",
"operating_mic",
"participant_id",
"url"
],
"type": "object"
},
"type": "array"
},
"source": {
"const": "x402stock",
"type": "string"
}
},
"required": [
"source",
"as_of",
"count",
"exchanges"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-23T22:39:38.329Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-23T22:39:38.124Z"
},
"resource": "https://x402stock.vercel.app/api/v1/exchanges",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402."
}What the leaf hashes
{"body":"f430c4eb22dd664ef13d96957bf544bc36e74aafe6dc36a9188f8c53ca4ec55c","id":127110,"kind":"listing","method":"baseline/1","observed_us":1793025637524708,"prev":null,"subject":"x402_bazaar:https://x402stock.vercel.app/api/v1/exchanges","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).
- 0x48d8125a2aa51d4073b77db1c5ca8d313528c4c36d23e8bebf53c4e135746337
- 0x0706ffb0c4ad63526993cde2e65227d5909e35a6058259b6deff431ccbe0eb06
- 0x95bcc5f672ff2579361c6889b07ca732532a7461a061251b63cd76fad0ef8e2a
- 0x020c7433c5b24b594d04e5f3c7b09998a6cebd971d0b6d5436efed52ce848d79
- 0x918341adf95a6af153a04fe8ddcc15e627980efe65b42b79cf18d9484794730b
- 0xbe93368e21f53a3aad95cc5f73f951c150f577f8f7a7f9f6a46077911e3d106b
- 0x214f03992ebf3a0bd5fa18a9a021a92277047122a32a782a6788c407a9abd1ac
- 0x1c68c45890c7c62e00be5824c6ffdbbd6f0c09a5405f40b1b08061fc0732304c
- 0xdc98eed29ed428130021b2bf80d7939b8396e0d04b1a16de2d1d0c0406cc6079
- 0x1c31b9fd609755e3d960fab27bd2b1eb3a2104f15e3f9261a56d30e3613f4c01
- 0xa40c09a143bc388ccac821ec3854902941c513470a57a806c98060a6d63aedf9
- 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
- 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
- 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae