← The evidence ledger
Evidence row 61510
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent.halowerk.com/v1/memory-compact
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5deddef6b3c87230f24adb971264b9730282a46a17744036a70014ce21d5bb39
- Leaf
- 0x0b72b531ddc40b1649a61f013f75dd2322a750f30925964feea5ccd7c0e06b6b
What was observed
{
"endpoints": [
[
"x402",
"https://agent.halowerk.com/v1/memory-compact"
]
],
"name": "agent.halowerk.com/v1/memory-compact",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "5000",
"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": "Takes a message history and a character budget and returns a shortened history together with a full account of what it cost. Four stages run in fixed order: pin protects messages that must survive (roles listed in keep_roles, the last keep_last_n messages, and anything you marked pin), dedupe removes later near-duplicates of an earlier message of the same role using word-overlap similarity, trim shortens unprotected survivors to max_message_chars at the last sentence boundary, and drop removes…",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"budget_chars": 400,
"duplicate_threshold": 0.9,
"keep_last_n": 2,
"keep_roles": [
"system"
],
"max_message_chars": 120,
"messages": [
{
"content": "You are a logistics dispatcher. Always answer with the shipment id first.",
"role": "system"
},
{
"content": "Where is shipment DE-4471? It left Hamburg on Monday morning and should reach Lyon by Thursday.",
"role": "user"
},
{
"content": "DE-4471 is in transit and cleared the Strasbourg hub at 03:10. Estimated arrival in Lyon is Thursday 14:00.",
"role": "assistant"
},
{
"content": "Where is shipment DE-4471? It left Hamburg on Monday morning and should reach Lyon by Thursday.",
"role": "user"
},
{
"content": "DE-4471 is still on schedule, no new scan since Strasbourg.",
"role": "assistant"
},
{
"content": "Good. Book the return leg for Friday.",
"role": "user"
}
]
},
"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": {
"budget_chars": {
"description": "Character budget for the sum of all returned message contents.",
"maximum": 400000,
"minimum": 100,
"type": "integer"
},
"duplicate_threshold": {
"default": 0.9,
"description": "Word-overlap ratio from which a later message of the same role counts as a near-duplicate of an earlier one.",
"maximum": 1,
"minimum": 0.5,
"type": "number"
},
"keep_last_n": {
"default": 5,
"description": "How many of the most recent messages are protected.",
"maximum": 50,
"minimum": 0,
"type": "integer"
},
"keep_roles": {
"default": [
"system"
],
"description": "Roles whose messages are protected.",
"items": {
"enum": [
"system",
"user",
"assistant",
"tool"
],
"type": "string"
},
"maxItems": 4,
"type": "array"
},
"max_message_chars": {
"default": 400,
"description": "Length to which unprotected survivors are trimmed in the trim stage.",
"maximum": 4000,
"minimum": 80,
"type": "integer"
},
"messages": {
"description": "The conversation in order, oldest first.",
"items": {
"additionalProperties": false,
"properties": {
"content": {
"description": "Message text.",
"maxLength": 8000,
"minLength": 1,
"type": "string"
},
"id": {
"description": "Optional caller-side identifier, echoed unchanged.",
"maxLength": 128,
"type": "string"
},
"pin": {
"default": false,
"description": "If true this message is protected: never trimmed, never dropped.",
"type": "boolean"
},
"role": {
"description": "Speaker role.",
"enum": [
"system",
"user",
"assistant",
"tool"
],
"type": "string"
}
},
"required": [
"role",
"content"
],
"type": "object"
},
"maxItems": 200,
"minItems": 2,
"type": "array"
}
},
"required": [
"messages",
"budget_chars"
],
"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": "2026-10-08T05:40:22.208Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T05:40:21.673Z"
},
"resource": "https://agent.halowerk.com/v1/memory-compact",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Takes a message history and a character budget and returns a shortened history together with a full account of what it cost. Four stages run in fixed order: pin protects messages that must survive (roles listed in keep_roles, the last keep_last_n messages, and anything you marked pin), dedupe removes later near-duplicates of an earlier message of the same role using word-overlap similarity, trim shortens unprotected survivors to max_message_chars at the last sentence boundary, and drop removes…"
}What the leaf hashes
{"body":"5deddef6b3c87230f24adb971264b9730282a46a17744036a70014ce21d5bb39","id":61510,"kind":"listing","method":"baseline/1","observed_us":1793025451037078,"prev":null,"subject":"x402_bazaar:https://agent.halowerk.com/v1/memory-compact","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).
- 0x0b7271db249a3a5d2cf4e5629bb232c72f92f695e7c9f13ddb45eb145ada267d
- 0xb878108598ea04f8fb6b10ca779c84d892c7a8e0531d20f68001ac3b32ce8a89
- 0x987dd6edd42a0245c3046f3393706cf7d0a54838c1b2df36b80a8871eee89bc1
- 0x1e9cd5628738448f5988a42d74795ce0030ae01c7b78e808696f2f64a9950448
- 0x7401241457f790e943807e31a2a070f79114190efccf67876e02b10569d9a5e2
- 0x910b6b9c788b642dd8b49c319aa8d7fb4e3440d0123bc8a4dcc3de567917b9cc
- 0x66c5e6bb019bd2d60de1a35622609cbfb8696039cf78a19bb809d0e611757718
- 0x0ec500440c76525ce8fc2d90e0ed8cf01840bb7d8142c0bac1b6f8bb5d5e8e25
- 0xbb196dbdd8cf4ca79447c2e0c4b090fdd2f22263ffc17ad7759a74222a9f2222
- 0x0317d9c853b2cffa1fdc2c62014a377dfdfb03f28f46b665e5f3801b32d539fd
- 0xb590404cb9438c769f672be0f0089b46b380374a2b3728911a35efd8d94b6a83
- 0x0295c7c2280f85143f6ea027ec5cab1cda783eeef5bca0accb9aea607c5aa3c2
- 0x5aefcf9e3d86e125861c0d490079969110eea8fc901ec61531bba10bb58258a1
- 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae