← The evidence ledger
Evidence row 67344
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.mekler.ai/v1/compute/inference/generate-completions
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 300f0fdf2d93d4500a9294745973223e2ca10426a85b5655e551ce40e857b98d
- Leaf
- 0xb89840adc828d6b9643be7404c0ce680c59afc1ca13ac8b9815d421afa27dfbd
What was observed
{
"endpoints": [
[
"x402",
"https://api.mekler.ai/v1/compute/inference/generate-completions"
]
],
"name": "Mekler AI",
"owner_address": "0xf6c6e2e530bb311c14a49c1a07c720fc232c07c5",
"raw": {
"accepts": [
{
"amount": "2796",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"meklerQuote": "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.48ff689114b99fa4e53673547474adac1d759ac294f3f0af118ed7b21b2e264a",
"memo": "m:SP9okRS5n6TlNnNUdHStrA"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "9mMDrHabSf73MPn1ANdANSmsNw2wKiqE7JZ7eD6EUSRc",
"scheme": "exact"
},
{
"amount": "2796",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"meklerQuote": "eyJhbW91bnQiOiIyNzk2IiwiYXNzZXQiOiIweDgzMzU4OWZDRDZlRGI2RTA4ZjRjN0MzMkQ0ZjcxYjU0YmRBMDI5MTMiLCJkaWdlc3QiOiI1ZGNhOTkyNDVkODQyZDU1YTA0OTUwZjk5MzU3YzkxZTdmYzg5NTI2MDllMzdlNTVjZWM1ZjhjNWI2ZDk2YTlmIiwiZXhwaXJlcyI6MTc5MjM2NDUyOSwiZmVlUGF5ZXIiOiIiLCJuZXR3b3JrIjoiZWlwMTU1Ojg0NTMiLCJvcmlnaW4iOiJodHRwczovL2FwaS5tZWtsZXIuYWkiLCJwYXRoIjoiL3YxL2NvbXB1dGUvaW5mZXJlbmNlL2dlbmVyYXRlLWNvbXBsZXRpb25zIiwicGF5VG8iOiIweEY2YzZFMmU1MzBiYjMxMWMxNGE0OUMxYTA3QzcyMGZjMjMyYzA3YzUiLCJwcm92aWRlciI6ImNkcCIsInZlcnNpb24iOiJpbmZlcmVuY2UtdjQtcHVyY2hhc2UifQ==.cbd7dc28e044f6493e9db9d39081942f7656febca69e226562ce35b922732bd3",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xF6c6E2e530bb311c14a49C1a07C720fc232c07c5",
"scheme": "exact"
}
],
"description": "Compare exact prices across eight models: GPT-6 Luna, GPT-6.1 Sol, Ministral 3B/8B/14B, Nemotron 3 Nano and Qwen3 Next/Coder Next. Review a recommendation and supported model/effort alternatives, then accept one quote or use automatic selection. Generate text or JSON with one USDC payment and no supplier account. Recover private results after completion. Recommendations use task rules, not a quality guarantee. No tools, browsing or streaming.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"max_price_usdc": "0.003",
"tasks": [
{
"max_output_tokens": 64,
"messages": [
{
"content": "Summarize: the meeting starts at noon.",
"role": "user"
}
],
"task": "summarize"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"expires_at": 1794528000,
"job_id": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"plan": {
"models": [
{
"index": 0,
"model": "gpt-6-luna",
"reason": "bounded_general_task"
}
],
"price_micros": 2796,
"version": "inference-v4-purchase"
},
"receipt": {
"finalized": true,
"network": "eip155:8453",
"price_micros": 2796,
"transaction": "0xcccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
},
"recovery_token": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"results": [
{
"content": "The meeting starts at noon.",
"finish_reason": "stop",
"index": 0,
"model": "gpt-6-luna",
"provider_model": "gpt-6-luna",
"reported_model": "gpt-6-luna",
"usage": {
"completion_tokens": 7,
"prompt_tokens": 18,
"total_tokens": 25
}
}
],
"retry": "Recover with the original proof or private token. Do not pay again.",
"state": "complete"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"idempotency_key": {
"maxLength": 128,
"minLength": 1,
"pattern": "^[A-Za-z0-9_-]{22,128}$",
"type": "string"
},
"max_price_usdc": {
"maxLength": 8,
"minLength": 1,
"pattern": "^(?:0(?:\\.[0-9]{1,6})?|1(?:\\.0{1,6})?)$",
"type": "string"
},
"tasks": {
"items": {
"additionalProperties": false,
"properties": {
"contract": {
"additionalProperties": false,
"properties": {
"fields": {
"additionalProperties": {
"type": "string"
},
"maxProperties": 3,
"minProperties": 1,
"type": "object"
},
"kind": {
"enum": [
"extract_fields",
"classify"
]
},
"labels": {
"additionalProperties": {
"type": "string"
},
"maxProperties": 3,
"minProperties": 2,
"type": "object"
}
},
"required": [
"kind"
],
"type": "object"
},
"max_output_tokens": {
"default": 1000,
"maximum": 4096,
"minimum": 32,
"type": "integer"
},
"messages": {
"items": {
"additionalProperties": false,
"properties": {
"content": {
"maxLength": 16000,
"minLength": 1,
"type": "string"
},
"role": {
"enum": [
"system",
"user",
"assistant"
]
}
},
"required": [
"role",
"content"
],
"type": "object"
},
"maxItems": 16,
"minItems": 1,
"type": "array"
},
"model": {
"default": "auto",
"enum": [
"auto",
"gpt-6-luna",
"gpt-6.1-sol",
"ministral-3-3b",
"ministral-3-8b",
"ministral-3-14b",
"nemotron-3-nano",
"qwen3-next",
"qwen3-coder-next",
"gemma-4-e2b"
]
},
"priority": {
"default": "balanced",
"enum": [
"balanced",
"economy",
"quality",
"speed"
]
},
"response_format": {
"default": "text",
"enum": [
"text",
"json_object"
]
},
"task": {
"default": "auto",
"enum": [
"auto",
"extract",
"classify",
"summarize",
"translate",
"write",
"code",
"analyze",
"plan"
]
}
},
"required": [
"messages"
],
"type": "object"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
}
},
"required": [
"tasks",
"max_price_usdc"
],
"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": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"expires_at": {
"type": "integer"
},
"job_id": {
"maxLength": 64,
"minLength": 1,
"type": "string"
},
"plan": {
"required": [
"version",
"models",
"price_micros"
],
"type": "object"
},
"receipt": {
"required": [
"network",
"transaction",
"price_micros",
"finalized"
],
"type": "object"
},
"recovery_token": {
"maxLength": 64,
"minLength": 1,
"type": "string"
},
"results": {
"items": {
"required": [
"index",
"model",
"content",
"finish_reason",
"usage"
],
"type": "object"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"retry": {
"maxLength": 256,
"minLength": 1,
"type": "string"
},
"state": {
"enum": [
"complete",
"delivered",
"delivered-payment-failed"
]
}
},
"required": [
"job_id",
"state",
"plan",
"recovery_token",
"expires_at",
"retry",
"results",
"receipt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-18T23:00:09.673Z",
"quality": {
"l30DaysTotalCalls": 11,
"l30DaysUniquePayers": 11,
"lastCalledAt": "2026-10-18T23:00:32.18Z"
},
"resource": "https://api.mekler.ai/v1/compute/inference/generate-completions",
"serviceName": "Mekler AI",
"tags": [
"inference",
"models",
"routing"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Compare exact prices across eight models: GPT-6 Luna, GPT-6.1 Sol, Ministral 3B/8B/14B, Nemotron 3 Nano and Qwen3 Next/Coder Next. Review a recommendation and supported model/effort alternatives, then accept one quote or use automatic selection. Generate text or JSON with one USDC payment and no supplier account. Recover private results after completion. Recommendations use task rules, not a quality guarantee. No tools, browsing or streaming."
}What the leaf hashes
{"body":"300f0fdf2d93d4500a9294745973223e2ca10426a85b5655e551ce40e857b98d","id":67344,"kind":"listing","method":"baseline/1","observed_us":1793025462611571,"prev":null,"subject":"x402_bazaar:https://api.mekler.ai/v1/compute/inference/generate-completions","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).
- 0xb8988fbf52062a564794297c89e45d3d238d93864eb5e4c61dc7678f32f2d7a9
- 0x64a07d99acbebf6760b4e42630d02a5a416e2233854aea02ba9c28072a23d4a4
- 0x2218d788324b592fb2ab3802c513ee4398918939309655ad8da2b2f91c28c690
- 0xacbb891ccc9f41516e1bb0e811ce50f3c373ff41e4c80f418913f06acf37192a
- 0x33afe6ed974551bc826ba32a9260aeff2cad94223f7ca34aafc9bfd14e610909
- 0x36c3f35a3d8d2f8f4455eb74f83dff5ca6a66cd603d902b9b57eb14b7b7d1f60
- 0x9b313d0d8e00eec78c1d6f029a04a0a478f013736cf6eb781c2d5c53c31b9fc3
- 0x738ed43097769ae5722e6670a5a96ac81d0ca9672d65078a4b8f834e0848a9b3
- 0x3e22965437ad0de1b511721c0d328319e39da6fec796fed49f0bbfb4d3539221
- 0x258835beede438ebebc963b639363480e6d4ea3839ccb62aeaaad82cefc2fe04
- 0xcf50b54d8921f0c22877e0b8d6b8393a1954218f000f7cac374e9f40a024f700
- 0xb6efd79902cac6d5a402ebecb8069402f00961ab80cd71b4d647fbc686d975ec
- 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
- 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae