← The evidence ledger
Evidence row 3064971
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.fresh402.com/v3/contract-watch
- Recorded
- Previous row
- #2633868
- Body SHA-256
- 2e7bdf31e0961d23a36336c948a7bad33e5f8d0043aed13b2a73a34804e18557
- Leaf
- 0x2a99bc58484b2ed8e554c1a619e13c2d3429618f6a908d4e95f3e17686bf0fe3
What was observed
{
"endpoints": [
[
"x402",
"https://api.fresh402.com/v3/contract-watch"
]
],
"name": "Fresh402",
"owner_address": "0xfac492a8d7843c9afcca6a1691bccb5425ab14f3",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xFAC492A8D7843C9aFCCa6A1691BCCB5425ab14F3",
"scheme": "exact"
}
],
"description": "Observe code, standard proxy slots, common getters, explicitly selected storage/ABI and bounded selected events at one finalized Base address; optionally compare an owned prior snapshot. Selected single-provider evidence only; unknown controls remain unknown. Parameters/recovery: https://fresh402.com/docs/tools#blockchain",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"block": "finalized",
"chain_id": 8453
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"accounting": {
"response_bytes": 1000,
"rpc_requests": 10,
"scope": "Illustrative domain preparation accounting; financial calls excluded.",
"wire_response_bytes": 1500
},
"comparison": {
"changes": [],
"status": "unknown"
},
"event_coverage": {
"status": "not_assessed"
},
"events": [],
"limitations": [
"Synthetic documentation example, not live-chain or safety evidence.",
"Selected single-provider observations only; log completeness is not independently proven."
],
"observation_saved": true,
"persistence": "atomic_with_financial_delivery",
"snapshot": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"block": {
"chain_id": 8453,
"finalized": true,
"hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"number": 1000,
"observed_at": "2026-10-24T00:00:00.000Z",
"parent_hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"policy": "finalized",
"source": "example-provider",
"timestamp": 1000,
"trust": "Illustrative shape only; not observed chain evidence."
},
"fields": {},
"warnings": []
},
"snapshot_id": "s_0000000000000000000000000000000000000000000000000000000000000000",
"snapshot_saved": true,
"tool": "fresh402_contract_watch"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"address": {
"maxLength": 42,
"minLength": 42,
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"block": {
"const": "finalized",
"default": "finalized",
"type": "string"
},
"chain_id": {
"const": 8453,
"type": "number"
},
"event_topics": {
"default": [],
"items": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
},
"maxItems": 1,
"type": "array"
},
"events_from_block": {
"maximum": 9007199254740991,
"minimum": 1,
"type": "integer"
},
"previous_snapshot": {
"pattern": "^s_[a-f0-9]{64}$",
"type": "string"
},
"reads": {
"default": [],
"items": {
"additionalProperties": false,
"properties": {
"inputs": {
"items": {
"not": {}
},
"maxItems": 0,
"minItems": 0,
"type": "array"
},
"name": {
"pattern": "^[a-zA-Z_][a-zA-Z0-9_]{0,63}$",
"type": "string"
},
"outputs": {
"items": {
"additionalProperties": false,
"properties": {
"type": {
"enum": [
"uint256",
"uint8",
"address",
"bool",
"bytes32"
],
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"maxItems": 1,
"minItems": 1,
"type": "array"
},
"stateMutability": {
"enum": [
"view",
"pure"
],
"type": "string"
},
"type": {
"const": "function",
"type": "string"
}
},
"required": [
"type",
"name",
"stateMutability",
"inputs",
"outputs"
],
"type": "object"
},
"maxItems": 1,
"type": "array"
},
"slots": {
"default": [],
"items": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
},
"maxItems": 1,
"type": "array"
}
},
"required": [
"chain_id",
"address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"anyOf": [
{
"additionalProperties": {},
"properties": {
"accounting": {
"additionalProperties": {},
"properties": {
"response_bytes": {
"maximum": 4194304,
"minimum": 0,
"type": "integer"
},
"rpc_requests": {
"maximum": 18,
"minimum": 1,
"type": "integer"
},
"scope": {
"minLength": 1,
"type": "string"
},
"wire_response_bytes": {
"maximum": 4194304,
"minimum": 0,
"type": "integer"
}
},
"required": [
"rpc_requests",
"response_bytes",
"wire_response_bytes",
"scope"
],
"type": "object"
},
"comparison": {
"additionalProperties": {},
"properties": {
"changes": {
"items": {},
"maxItems": 32,
"type": "array"
},
"status": {
"enum": [
"unknown",
"changed",
"unchanged"
],
"type": "string"
}
},
"required": [
"status",
"changes"
],
"type": "object"
},
"event_coverage": {
"additionalProperties": {},
"properties": {
"status": {
"type": "string"
}
},
"required": [
"status"
],
"type": "object"
},
"events": {
"items": {},
"maxItems": 100,
"type": "array"
},
"limitations": {
"items": {
"maxLength": 1024,
"type": "string"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"observation_saved": {
"const": true,
"type": "boolean"
},
"persistence": {
"enum": [
"atomic_with_financial_delivery",
"atomic_with_entitlement_delivery"
],
"type": "string"
},
"snapshot": {
"additionalProperties": {},
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"block": {
"additionalProperties": {},
"properties": {
"chain_id": {
"const": 8453,
"type": "number"
},
"finalized": {
"const": true,
"type": "boolean"
},
"hash": {
"pattern": "^0x[a-f0-9]{64}$",
"type": "string"
},
"number": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
},
"observed_at": {
"format": "date-time",
"pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
"type": "string"
},
"parent_hash": {
"pattern": "^0x[a-f0-9]{64}$",
"type": "string"
},
"policy": {
"const": "finalized",
"type": "string"
},
"source": {
"pattern": "^[a-z0-9_-]{3,64}$",
"type": "string"
},
"timestamp": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
},
"trust": {
"maxLength": 256,
"minLength": 1,
"type": "string"
}
},
"required": [
"number",
"hash",
"parent_hash",
"timestamp",
"chain_id",
"policy",
"finalized",
"source",
"observed_at",
"trust"
],
"type": "object"
},
"fields": {
"additionalProperties": {},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"address",
"block",
"fields",
"warnings"
],
"type": "object"
},
"snapshot_id": {
"pattern": "^s_[a-f0-9]{64}$",
"type": "string"
},
"snapshot_saved": {
"const": true,
"type": "boolean"
},
"tool": {
"const": "fresh402_contract_watch",
"type": "string"
}
},
"required": [
"observation_saved",
"snapshot_saved",
"persistence",
"accounting",
"limitations",
"tool",
"snapshot_id",
"snapshot",
"comparison",
"events",
"event_coverage"
],
"type": "object"
},
{
"additionalProperties": {},
"properties": {
"accounting": {
"additionalProperties": {},
"properties": {
"response_bytes": {
"maximum": 4194304,
"minimum": 0,
"type": "integer"
},
"rpc_requests": {
"maximum": 18,
"minimum": 1,
"type": "integer"
},
"scope": {
"minLength": 1,
"type": "string"
},
"wire_response_bytes": {
"maximum": 4194304,
"minimum": 0,
"type": "integer"
}
},
"required": [
"rpc_requests",
"response_bytes",
"wire_response_bytes",
"scope"
],
"type": "object"
},
"comparison": {
"additionalProperties": {},
"properties": {
"changes": {
"items": {},
"maxItems": 32,
"type": "array"
},
"status": {
"enum": [
"unknown",
"changed",
"unchanged"
],
"type": "string"
}
},
"required": [
"status",
"changes"
],
"type": "object"
},
"cursor_saved": {
"const": false,
"type": "boolean"
},
"event_coverage": {
"additionalProperties": {},
"properties": {
"status": {
"type": "string"
}
},
"required": [
"status"
],
"type": "object"
},
"events": {
"items": {},
"maxItems": 100,
"type": "array"
},
"limitations": {
"items": {
"maxLength": 1024,
"type": "string"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"observation_saved": {
"const": false,
"type": "boolean"
},
"persistence": {
"enum": [
"atomic_with_financial_delivery",
"atomic_with_entitlement_delivery"
],
"type": "string"
},
"persistence_error": {
"maxLength": 512,
"minLength": 1,
"type": "string"
},
"snapshot": {
"additionalProperties": {},
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"block": {
"additionalProperties": {},
"properties": {
"chain_id": {
"const": 8453,
"type": "number"
},
"finalized": {
"const": true,
"type": "boolean"
},
"hash": {
"pattern": "^0x[a-f0-9]{64}$",
"type": "string"
},
"number": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
},
"observed_at": {
"format": "date-time",
"pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
"type": "string"
},
"parent_hash": {
"pattern": "^0x[a-f0-9]{64}$",
"type": "string"
},
"policy": {
"const": "finalized",
"type": "string"
},
"source": {
"pattern": "^[a-z0-9_-]{3,64}$",
"type": "string"
},
"timestamp": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
},
"trust": {
"maxLength": 256,
"minLength": 1,
"type": "string"
}
},
"required": [
"number",
"hash",
"parent_hash",
"timestamp",
"chain_id",
"policy",
"finalized",
"source",
"observed_at",
"trust"
],
"type": "object"
},
"fields": {
"additionalProperties": {},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"address",
"block",
"fields",
"warnings"
],
"type": "object"
},
"snapshot_id": {
"pattern": "^s_[a-f0-9]{64}$",
"type": "string"
},
"snapshot_saved": {
"const": false,
"type": "boolean"
},
"tool": {
"const": "fresh402_contract_watch",
"type": "string"
}
},
"required": [
"observation_saved",
"snapshot_saved",
"persistence",
"accounting",
"limitations",
"tool",
"snapshot_id",
"snapshot",
"comparison",
"events",
"event_coverage",
"cursor_saved",
"persistence_error"
],
"type": "object"
}
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793758835/bazaar-icons/ff5e17044e175886.png",
"lastUpdated": "2026-11-04T02:21:13.055Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-04T02:21:12.822Z"
},
"resource": "https://api.fresh402.com/v3/contract-watch",
"serviceName": "Fresh402",
"tags": [
"base",
"smart-contract-observation",
"finalized-state",
"proxy-changes"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Observe code, standard proxy slots, common getters, explicitly selected storage/ABI and bounded selected events at one finalized Base address; optionally compare an owned prior snapshot. Selected single-provider evidence only; unknown controls remain unknown. Parameters/recovery: https://fresh402.com/docs/tools#blockchain"
}What the leaf hashes
{"body":"2e7bdf31e0961d23a36336c948a7bad33e5f8d0043aed13b2a73a34804e18557","id":3064971,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822235395226,"prev":2633868,"subject":"x402_bazaar:https://api.fresh402.com/v3/contract-watch","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x2a99debca8edb05f4dcae74d219510bd0adfc88b310e62689a9bbfd3f941c408
- 0xa9684f554c43345ca50f01803ae8c2b2b3fe1dccd006e3843872140fdf414965
- 0x750b2c89b342b1563aabafb038c53d06de6d95bc8369d2855afd6bb4d24d9534
- 0xbd747c129a7177838d4e4f36517a25a8a008f67d9d6c3365fb14e4506ac46cc6
- 0xd7f231a1418d97ffd7710f9eb9ea494c7319578c815d214b24e4c9474de030ca
- 0x1ff8fd4fa0ebed33d14118e658c452d21090d2294bc4e17c794e1183f382813a
- 0x5dccf72ce6c3b9e6cbd1adcb7a2d29acf1e8271b80639190bcd8a8cd72a9df9d
- 0x81d57df038ff2fb01198aa2fcd8fec5ee38b108090775453c286fb09a066df6d
- 0x29136e2f7c5fd5e48a8d0c62c3bdd752963795b7552966501e613a37e41690b9
- 0xc6e272569c5741ca5c4d5a89553978349688860e751707fb58b83080c2a35d35
- 0xc4d9808fb3f7a09fa071a58d2a8276fbdad67b5eaf5e2fca6df11f1f833aa266
- 0x6b22ebbc088c5af5f3e8cdc3e5ef89ffafbc4f261cdfea59b61c8ecf7157e750
- 0x661a96c937bf6ca01d805f4f4f36198bd27d6f808d4358c0eb4116706a411f51
- 0x4be10d765cf0cb6820e51b664f4703077b474dfe0fab694460a1ed08402448ff
- 0x80d767e810dea8f03e47cc3217bd2604062057071b87fb3908bc918d21222df3
- 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
- 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345