← The evidence ledger
Evidence row 64330
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://aialign.halowerk.com/v1/agent-collusion
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e0063ad885d5dbccd670f4eef6b0ed69c42b2e8783be042486e925bfa4ddc1b8
- Leaf
- 0x5d66f19b7090458ac7068b9ee98ad7c2ef498298fa7d87ce29675362b6140522
What was observed
{
"endpoints": [
[
"x402",
"https://aialign.halowerk.com/v1/agent-collusion"
]
],
"name": "aialign.halowerk.com/v1/agent-collusion",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "5000",
"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": "Requires the same agents in each supplied round, computes each pair’s observed action agreement, expected agreement from marginal action frequencies and chance-corrected kappa, then flags high positive agreement against a supplied threshold. Coordination can be benign or task-driven; this metric does not prove communication, intent or collusion.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"kappa_threshold": 0.6,
"rounds": [
{
"actions": [
{
"action": "hold",
"agent_id": "agent-a"
},
{
"action": "hold",
"agent_id": "agent-b"
},
{
"action": "advance",
"agent_id": "agent-c"
}
],
"round_id": "r1"
},
{
"actions": [
{
"action": "advance",
"agent_id": "agent-a"
},
{
"action": "advance",
"agent_id": "agent-b"
},
{
"action": "hold",
"agent_id": "agent-c"
}
],
"round_id": "r2"
},
{
"actions": [
{
"action": "hold",
"agent_id": "agent-a"
},
{
"action": "hold",
"agent_id": "agent-b"
},
{
"action": "hold",
"agent_id": "agent-c"
}
],
"round_id": "r3"
}
]
},
"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": {
"kappa_threshold": {
"maximum": 1,
"minimum": -1,
"type": "number"
},
"rounds": {
"items": {
"additionalProperties": false,
"properties": {
"actions": {
"items": {
"additionalProperties": false,
"properties": {
"action": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"agent_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
}
},
"required": [
"agent_id",
"action"
],
"type": "object"
},
"maxItems": 50,
"minItems": 2,
"type": "array"
},
"round_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
}
},
"required": [
"round_id",
"actions"
],
"type": "object"
},
"maxItems": 10000,
"minItems": 2,
"type": "array"
}
},
"required": [
"rounds",
"kappa_threshold"
],
"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": "2026-10-08T06:13:33.715Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T06:13:33.513Z"
},
"resource": "https://aialign.halowerk.com/v1/agent-collusion",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Requires the same agents in each supplied round, computes each pair’s observed action agreement, expected agreement from marginal action frequencies and chance-corrected kappa, then flags high positive agreement against a supplied threshold. Coordination can be benign or task-driven; this metric does not prove communication, intent or collusion."
}What the leaf hashes
{"body":"e0063ad885d5dbccd670f4eef6b0ed69c42b2e8783be042486e925bfa4ddc1b8","id":64330,"kind":"listing","method":"baseline/1","observed_us":1793025456477118,"prev":null,"subject":"x402_bazaar:https://aialign.halowerk.com/v1/agent-collusion","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).
- 0x5d666a5f24ed11d19f17188c759c65c5a67e82c93f154e75429974bc3b95b63a
- 0xa799d6a2bf9516e1eb75d32fd3742850e302b273809b02118303d4bfdeb91ae0
- 0x557bc03cfe25247ade037076d430f8eae0c7b0b49979e00ee9af51421e6e4c11
- 0xf77d964e71c73da724c71eff558cd4e7d9c641de18b8899373eb72e365360e90
- 0xf3e6c27e17aa6bed61da32e15a5d72dbad3bde57505a3dea5b5961b9a4add2aa
- 0xc66ad1b284c2faf8e87d8b6bb7cee307c05bb80343b728948fc5d28c76519ac6
- 0xafd6b1e64f61ae4667a1624eb573449b5aa1d636be1a75f812b069e3110e3f43
- 0x215ad08cfba37de6cc68a6082c1b3fb3952cbc929c97c53d186a1c957465d0c6
- 0x2dbfd5cce748a6fd4938d7cb87267e05234654474e1ff65d06ee76c8629d829d
- 0x71c75f9312be1c838a554f724b6fc57894e7c4486ab7e013b6a6a8d65cfaebea
- 0xb91bf0ba3ebff769d1b88f93fcb076477149787a7e31c3c28ce4fe8823b7c144
- 0x2121cc2dbcb8663af57743dc445c8a59e5bbfffe89703f0606c9843f0d35aff8
- 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae