← The evidence ledger
Evidence row 76796
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://iot.halowerk.com/v1/digital-twin-sync
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a42eb582a54570c96677cd9134aaa528f96f6d3eeded13f446e2805f91b7bf4c
- Leaf
- 0x567ebf50b9906d6412a9c84c4f22a2a7175cc2688388a0543ef60209e5b39062
What was observed
{
"endpoints": [
[
"x402",
"https://iot.halowerk.com/v1/digital-twin-sync"
]
],
"name": "iot.halowerk.com/v1/digital-twin-sync",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "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",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Groups caller-supplied scalar field changes by field name, selects the highest version, and reports a conflict when equal-version values differ. It does not connect to a twin platform, merge nested documents or resolve semantic conflicts.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"local_changes": [
{
"field": "temperature_setpoint",
"value": 21.5,
"version": 8
},
{
"field": "mode",
"value": "eco",
"version": 4
}
],
"remote_changes": [
{
"field": "temperature_setpoint",
"value": 22,
"version": 7
},
{
"field": "mode",
"value": "comfort",
"version": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"local_changes": {
"items": {
"additionalProperties": false,
"properties": {
"field": {
"maxLength": 256,
"minLength": 1,
"type": "string"
},
"value": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"version": {
"maximum": 1000000000000,
"minimum": 0,
"type": "integer"
}
},
"required": [
"field",
"value",
"version"
],
"type": "object"
},
"maxItems": 10000,
"type": "array"
},
"remote_changes": {
"items": {
"additionalProperties": false,
"properties": {
"field": {
"maxLength": 256,
"minLength": 1,
"type": "string"
},
"value": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"version": {
"maximum": 1000000000000,
"minimum": 0,
"type": "integer"
}
},
"required": [
"field",
"value",
"version"
],
"type": "object"
},
"maxItems": 10000,
"type": "array"
}
},
"required": [
"local_changes",
"remote_changes"
],
"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"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T15:57:46.123Z",
"quality": {
"l30DaysTotalCalls": 11,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-25T15:57:45.73Z"
},
"resource": "https://iot.halowerk.com/v1/digital-twin-sync",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Groups caller-supplied scalar field changes by field name, selects the highest version, and reports a conflict when equal-version values differ. It does not connect to a twin platform, merge nested documents or resolve semantic conflicts."
}What the leaf hashes
{"body":"a42eb582a54570c96677cd9134aaa528f96f6d3eeded13f446e2805f91b7bf4c","id":76796,"kind":"listing","method":"baseline/1","observed_us":1793025492951179,"prev":null,"subject":"x402_bazaar:https://iot.halowerk.com/v1/digital-twin-sync","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).
- 0x567e9ff6cb84bc83e61cfdcbcf5301be8c065a81c9faccd4af4631fddfb600e5
- 0x0679f2490002c66e2fcb5cc56e610b87fb0d4cb3f08d849823fb93e8bbe7a445
- 0x785283236a9e499b2368a3b2a37c9d3337c0355d62967502f307e1450c501e2c
- 0xf3b1a5e442e9355b716d69c67882211573df5d8056aca920d84e26f69800042d
- 0x1e308775b30f1fc559b778d2792d7b7a34ea11fb86dfb09f6c1cc8f1769505f1
- 0xde79a19ac3ffbc863c5c515344bd4f68db0a33898489a2a8c9e6fddf26408c29
- 0x5437f2e832d3a62efdbd054e3bc44fd8461b226a26f4b1d5a3919c004e15b922
- 0xe915487dac7b24ca470520493ad8ede393a01e9deeb4144875be9636b1e3f3ec
- 0x7dca6759831bc70cfe9f4675dc59a042e2f1f85f44e42d1fbc0eb83a95baf305
- 0x438631e7421eacf3402556d871e592ffc7af75fef2b0709de48c3ef78e8d7fac
- 0x014e6ac2bd09cb47ef261fa8d56392362b98c9b103bb1037674237d3604f081f
- 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
- 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
- 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae