← The evidence ledger
Evidence row 76148
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://handel.halowerk.com/v1/price/articles/corridor-reentry
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 55f050a7d9f58527bc1c5d430f348e2d06299d11b8b3f6874da977acae651419
- Leaf
- 0x5ff0cea088a39b94b434bc41a4f2c096f794a49d80d04661d0b880f2c605bc1e
What was observed
{
"endpoints": [
[
"x402",
"https://handel.halowerk.com/v1/price/articles/corridor-reentry"
]
],
"name": "handel.halowerk.com/v1/price/articles/corridor-reentry",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "7000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Notify when a previously out-of-range price returns inside a defined corridor. Uses an optional predicate extension of the proven Price-Callback motor. price_corridor_reentry_decision records this exact rule; the rule executes BEFORE dispatch. Same public IPv4HTTPS pinned connections, robots checks,9s,1MiBHTML,at-most-once receipt/idempotency7days,failureschargedfalse. Caller supplies historical price and schedules polling.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"callback_url": "https://stack.halowerk.com/_top10-endspurt/callback",
"ceiling_price": 55,
"floor_price": 50,
"idempotency_key": "example_replace_with_random_32_character_key",
"previous": {
"currency": "GBP",
"value": 60
},
"url": "https://books.toscrape.com/catalogue/a-light-in-the-attic_1000/index.html"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"callback_url": {
"maxLength": 2048,
"type": "string"
},
"ceiling_price": {
"maximum": 1000000000,
"minimum": 0,
"type": "number"
},
"floor_price": {
"maximum": 1000000000,
"minimum": 0,
"type": "number"
},
"idempotency_key": {
"maxLength": 128,
"minLength": 32,
"pattern": "^[A-Za-z0-9_-]+$",
"type": "string"
},
"previous": {
"additionalProperties": false,
"properties": {
"currency": {
"pattern": "^[A-Z]{3}$",
"type": "string"
},
"value": {
"maximum": 1000000000,
"minimum": 0,
"type": "number"
}
},
"required": [
"value",
"currency"
],
"type": "object"
},
"url": {
"maxLength": 2048,
"type": "string"
}
},
"required": [
"url",
"previous",
"callback_url",
"idempotency_key",
"floor_price",
"ceiling_price"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"additionalProperties": false,
"properties": {
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-09T08:12:12.879Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-09T08:12:12.663Z"
},
"resource": "https://handel.halowerk.com/v1/price/articles/corridor-reentry",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Notify when a previously out-of-range price returns inside a defined corridor. Uses an optional predicate extension of the proven Price-Callback motor. price_corridor_reentry_decision records this exact rule; the rule executes BEFORE dispatch. Same public IPv4HTTPS pinned connections, robots checks,9s,1MiBHTML,at-most-once receipt/idempotency7days,failureschargedfalse. Caller supplies historical price and schedules polling."
}What the leaf hashes
{"body":"55f050a7d9f58527bc1c5d430f348e2d06299d11b8b3f6874da977acae651419","id":76148,"kind":"listing","method":"baseline/1","observed_us":1793025491712857,"prev":null,"subject":"x402_bazaar:https://handel.halowerk.com/v1/price/articles/corridor-reentry","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).
- 0x5ff0de701c6840fe265e4bde1501e38c009fe2ff92c2df6ea0d00010b1812f8b
- 0x035b87bed9c02860df05ad7edf3f27f73712f50bb4ac0b663743002e441c8057
- 0xa5c4a23a44f750ada3204f67e44e2c08353c5c8408d36196cf8d1898f5735b2d
- 0x073ed2836df178afd382d156ff51edf7f6ae4899878d832970536c08ef3223f9
- 0x4b81b1ecbb6118a2b02237efd199c025f8b4e25a63eb5713cf91f891c3e22bae
- 0x1d5e431e7382c290acd7b9152d5d6815547b1ce31c209bfb0770aa3235286531
- 0xfd08abae22bbc77e1f874a8f028078b0638a2c7517f1b621f75012fdfd3653bc
- 0x15ee35aee0027580c88f3c4831389c36b729ad29b0ac3dedf14105cdd25576ae
- 0x315448cbf783ffee4b0f77fbd8394a707e36af281b068ca2464c2295e113096d
- 0x360237a2ff9bba9982b36dddf68bf6bc616012537d41d3a91a43fe37caee345d
- 0xa50fca837a4f035829bddff38d023aff0ec4482f9bb5df60ea5b321b01e3e922
- 0xf4e3bedc99674db9d8ab4bc7655992ec76f822b327e6c89599b0baa3756fbd19
- 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae