← The evidence ledger
Evidence row 763904
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://anthropic.x402.paywithlocus.com/anthropic/chat
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- be927ca1c80e479116d4f79b40702a6c1c33cf8696f7d7d60adf8b1c3c8d8c4c
- Leaf
- 0xed2abcda118a2881a327b79f7add105cad43231f508fce43b1ab61ff2650b438
What was observed
{
"endpoints": [
[
"x402",
"https://anthropic.x402.paywithlocus.com/anthropic/chat"
]
],
"name": "Locus x402 Services",
"owner_address": "0x3c5cbe28eca3b96023c45d3f877da834f1c7d5fa",
"raw": {
"accepts": [
{
"amount": "230092",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 1800,
"network": "eip155:8453",
"payTo": "0x3C5CBe28ECA3b96023c45D3f877da834F1C7d5fA",
"scheme": "upto"
}
],
"description": "Locus public pay-per-use API",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"max_tokens": 16,
"messages": [
{
"content": "Hello from x402",
"role": "user"
}
],
"model": "claude-haiku-4-5"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"max_tokens": {
"type": "number"
},
"messages": {
"items": {
"additionalProperties": true,
"properties": {
"content": {
"anyOf": [
{
"type": "string"
},
{
"items": {
"additionalProperties": true,
"properties": {
"image_url": {
"additionalProperties": true,
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"text": {
"type": "string"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"type": "array"
},
{
"type": "null"
}
]
},
"name": {
"type": "string"
},
"role": {
"type": "string"
},
"tool_call_id": {
"type": "string"
},
"tool_calls": {
"items": {
"additionalProperties": true,
"type": "object"
},
"type": "array"
}
},
"required": [
"role"
],
"type": "object"
},
"type": "array"
},
"model": {
"type": "string"
},
"stop_sequences": {
"items": {
"type": "string"
},
"type": "array"
},
"stream": {
"type": "boolean"
},
"system": {
"anyOf": [
{
"type": "string"
},
{
"items": {},
"type": "array"
}
]
},
"temperature": {
"type": "number"
},
"thinking": {
"additionalProperties": true,
"type": "object"
},
"tool_choice": {
"additionalProperties": true,
"type": "object"
},
"tools": {
"items": {},
"type": "array"
},
"top_k": {
"type": "number"
},
"top_p": {
"type": "number"
}
},
"required": [
"model",
"messages",
"max_tokens"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"eip2612GasSponsoring": {
"info": {
"description": "The facilitator accepts EIP-2612 gasless Permit to `Permit2` canonical contract.",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"amount": {
"description": "The amount to approve (uint256). Typically MaxUint.",
"pattern": "^[0-9]+$",
"type": "string"
},
"asset": {
"description": "The address of the ERC-20 token contract.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"deadline": {
"description": "The timestamp at which the signature expires.",
"pattern": "^[0-9]+$",
"type": "string"
},
"from": {
"description": "The address of the sender.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"nonce": {
"description": "The current nonce of the sender.",
"pattern": "^[0-9]+$",
"type": "string"
},
"signature": {
"description": "The 65-byte concatenated signature (r, s, v) as a hex string.",
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"spender": {
"description": "The address of the spender (Canonical Permit2).",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"version": {
"description": "Schema version identifier.",
"pattern": "^[0-9]+(\\.[0-9]+)*$",
"type": "string"
}
},
"required": [
"from",
"asset",
"spender",
"amount",
"nonce",
"deadline",
"signature",
"version"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-28T05:30:28.732Z",
"quality": {
"l30DaysTotalCalls": 53,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-28T05:30:53.52Z"
},
"resource": "https://anthropic.x402.paywithlocus.com/anthropic/chat",
"serviceName": "Locus x402 Services",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Locus public pay-per-use API"
}What the leaf hashes
{"body":"be927ca1c80e479116d4f79b40702a6c1c33cf8696f7d7d60adf8b1c3c8d8c4c","id":763904,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793179250536640,"prev":null,"subject":"x402_bazaar:https://anthropic.x402.paywithlocus.com/anthropic/chat","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0xed2aef649ed5f1a2b9fbfd063db4308fadbf489002df344e67e9ad644a374365
- 0xf977434ebb9881461e801677eff4a3bdcddfc6956952beadd3ecbe5a8bee21db
- 0xfe269cd2b23398f2a1b27f71359b55999317dfc2d0d27efb76c641d8a635acf5
- 0xa7dea3ee27423ee6c921f904bb6c48954d0db4922c6325c2f2d1a4215d6ad4b8
- 0x04e6206703648d430f7441750d87dfe8c6d2096ca6c6b0ab34ae50834b6260b1
- 0x40345789aa01ae8b0a9a8854bef7d1efd9f82634d57413ab216cb05c4537885f
- 0xf492e7b8ecdc6fd5f7655820e52916b0b44625e92136950fa25f64bc36328d73
- 0x07be10177a4808a71a1bc9da78a6886001c76f25f8638d421aee047df1b81bbe
- 0xeecdc2d7e943b14ece98276b343bd6e45dce630982e5ec5fed9a8c32bb3d6dab
- 0x0461f976b5d81261d157987259766032f5cbb7a3c898051059f64297e4b178bb
- 0xb6701c87d53ed4df29bb8eb6dac414a9d3172a348e5aa77aee44f96e0da5eb3f
- 0x5abd41e7b7a1931919102fa4bdc992773ad45a071b408cf09a3d949e46f9215f
- 0x7c7680a693651307890c3f1e37c63eee03c1c637cfe36c210695030d5edb22bc
- 0xfb2274fa79452c1e494276a3ee3eadb7c66f76a08a80f6923416f3d591053e02
- 0x33bfb51cb957137510d8a1502cd50241c4c0982e2741290f3b8f2d2b1e69de70
- 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
- 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
- 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae