← The evidence ledger
Evidence row 63930
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentshelf.syntexa.ch/v1/base-storage
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7e3005d903e06359f7de97d5ab1379e0a18515c6d79e1d9ef36f83c97329d098
- Leaf
- 0xb256132c12c41112a60df469834b1e43422a3f8a527b55db131a62a200957c7f
What was observed
{
"endpoints": [
[
"x402",
"https://agentshelf.syntexa.ch/v1/base-storage"
]
],
"name": "agentshelf.syntexa.ch/v1/base-storage",
"owner_address": "0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
"scheme": "exact"
}
],
"description": "Call when an agent needs the storage word at a slot for one Base contract. Send contract, slot, and an optional block tag. Read-only eth_getStorageAt. No spend. Send JSON {\"contract\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"slot\":\"0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc\"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/base-storage first.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"slot": "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"billed": true,
"block": "latest",
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"slot": "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc",
"value": "0x0000000000000000000000000000000000000000000000000000000000000000",
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"slot": "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"
}
],
"properties": {
"block": {
"description": "Optional block number or tag latest, finalized, or safe. Example: latest. Omit it for latest. A JSON number such as 100 is accepted.",
"type": "string"
},
"contract": {
"description": "Contract on Base mainnet. Example: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913. eth_getStorageAt is read-only.",
"examples": [
"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
],
"type": "string"
},
"slot": {
"description": "Storage slot as a uint256 decimal or 0x-prefixed hex word of at most 32 bytes. Example: 0. The response value is 32 bytes.",
"examples": [
"0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"
],
"type": "string"
}
},
"required": [
"contract",
"slot"
],
"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": {
"additionalProperties": false,
"examples": [
{
"billed": true,
"block": "latest",
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"slot": "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc",
"value": "0x0000000000000000000000000000000000000000000000000000000000000000",
"warnings": []
}
],
"properties": {
"billed": {
"examples": [
true
],
"type": "boolean"
},
"block": {
"examples": [
"latest"
],
"type": "string"
},
"contract": {
"examples": [
"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
],
"type": "string"
},
"network": {
"const": "eip155:8453",
"examples": [
"eip155:8453"
],
"type": "string"
},
"ok": {
"const": true,
"examples": [
true
],
"type": "boolean"
},
"receipt_id": {
"examples": [
"rcpt_01EXAMPLE000000000000000"
],
"type": "string"
},
"slot": {
"examples": [
"0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"
],
"type": "string"
},
"value": {
"examples": [
"0x0000000000000000000000000000000000000000000000000000000000000000"
],
"type": "string"
},
"warnings": {
"default": [],
"examples": [
[]
],
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"ok",
"receipt_id",
"billed",
"network",
"contract",
"slot",
"block",
"value"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-19T07:32:06.85Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-19T07:32:06.658Z"
},
"resource": "https://agentshelf.syntexa.ch/v1/base-storage",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Call when an agent needs the storage word at a slot for one Base contract. Send contract, slot, and an optional block tag. Read-only eth_getStorageAt. No spend. Send JSON {\"contract\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"slot\":\"0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc\"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/base-storage first."
}What the leaf hashes
{"body":"7e3005d903e06359f7de97d5ab1379e0a18515c6d79e1d9ef36f83c97329d098","id":63930,"kind":"listing","method":"baseline/1","observed_us":1793025455822041,"prev":null,"subject":"x402_bazaar:https://agentshelf.syntexa.ch/v1/base-storage","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).
- 0xb25630d751c3b9688e2720f8d745dad3e87e4fa75997cbcd7e9d31d208baed8d
- 0x12599ad805691881102ea5d6564a9aeff7759f9268dce9c33c9fc89f5ed073b5
- 0xa89ec98c0e2e79f675dc9b49b5f742f32d1b64f69a413a29f5262f9828001d40
- 0x6777f5ca3baff68def81b9a417064fc4f61c8b12f80b8024d909ee4c1f97c9a1
- 0x158452bbbb76f398cf04a5397761c50d6a5427c51dfdf29c7e56be807469ad83
- 0xa6182331a97398f5e85df472733b7478321b3e65cc8d711c58bf791fec8b9196
- 0xdaf46939fa4636b4af7b99477c7daa485e664a331b5128b018a39651557be68b
- 0x80b108989bf58eba4e8e57e4cc20ada47675ca81c2eeae7b82254bd69c2078bf
- 0xc75e8167a9254eec94bbebb40aeef2cc19d84bebc85950992a84682d73ac18cc
- 0xc6dd71e7d85dea5e09f179642fe5f62de05a435eb806a0e7894d08bd1f37f002
- 0x08b0ee375f7c28afd23e265e3e1bed91ba37304e42eafa665ef4a7f785b3e7bf
- 0x3d6ec9d5ef8daa604601742088e213da0a439db6eff6ce50ec3ffb264a60ddd3
- 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
- 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae