← The evidence ledger
Evidence row 279053
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.ottoai.services/llm-research
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5705bd07f831d4a0753e20397b24e9d372014ccffd27ca70c5959ef7726466ef
- Leaf
- 0xc74c41043b0de43ec933133c065c3b26887625099dfb90cc31a8a3f39e45f579
What was observed
{
"endpoints": [
[
"x402",
"https://x402.ottoai.services/llm-research"
]
],
"name": "Otto AI",
"owner_address": "0x0e84ddedaae6a779c462c22a59f301ec31b6b808",
"raw": {
"accepts": [
{
"amount": "100000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
{
"amount": "100000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
{
"amount": "100000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
"scheme": "exact"
}
],
"description": "Instant AI research on any topic powered by Gemini 3.5 Flash, using live Google Search grounding when available. Answers list the sources search returned; some, such as a no-search fallback, may have none. Ask about science, tech, crypto, history, or anything else. Can analyze images and summarize webpages from URLs. Max 180 character prompts. $0.10 per query.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"prompt": "What is the latest on Bitcoin ETFs?"
},
"type": "http"
},
"output": {
"example": {
"result": "Based on my research, Bitcoin ETFs have seen...",
"sources": [
{
"title": "SEC.gov",
"url": "https://www.sec.gov/..."
}
],
"status": "success"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"prompt": {
"description": "Research question (max 180 characters)",
"type": "string"
},
"url": {
"description": "Optional: URL to analyze (image or webpage)",
"type": "string"
}
},
"required": [
"prompt"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"error": {
"description": "Error message if failed",
"type": "string"
},
"result": {
"description": "Research findings",
"type": "string"
},
"sources": {
"description": "Cited web sources from Search grounding (deduped, up to 10)",
"items": {
"properties": {
"title": {
"description": "Source page title",
"type": [
"string",
"null"
]
},
"url": {
"description": "Source URL",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": "array"
},
"status": {
"enum": [
"success",
"failed"
],
"type": "string"
}
},
"required": [
"status"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_hc2dhq09"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"offer-receipt": {
"info": {
"offers": [
{
"acceptIndex": 0,
"format": "eip712",
"payload": {
"amount": "100000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"resourceUrl": "https://x402.ottoai.services/llm-research",
"scheme": "exact",
"validUntil": 1793026957,
"version": 1
},
"signature": "0x7f2c2afae324e29b57438e197979340337a4d99674d0b5eccbeabfc4e60326026125a7aa545d0f9310dddc83f6c853467b2061179423420456cbf191c0620f851c"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "100000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"resourceUrl": "https://x402.ottoai.services/llm-research",
"scheme": "exact",
"validUntil": 1793026957,
"version": 1
},
"signature": "0x7f2c2afae324e29b57438e197979340337a4d99674d0b5eccbeabfc4e60326026125a7aa545d0f9310dddc83f6c853467b2061179423420456cbf191c0620f851c"
},
{
"acceptIndex": 2,
"format": "eip712",
"payload": {
"amount": "100000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
"resourceUrl": "https://x402.ottoai.services/llm-research",
"scheme": "exact",
"validUntil": 1793026957,
"version": 1
},
"signature": "0xfec800cba7ad0b387bcba2fe70a26335c6202ca80cd0e24e0987b2e72b97d1de2c3ff33cbeedbec7d0a06bb5c2f3c68ea419ba4b07225ea41b079c855765a84f1b"
}
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"offers": {
"items": {
"properties": {
"acceptIndex": {
"type": "integer"
},
"format": {
"type": "string"
},
"payload": {
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"payTo": {
"type": "string"
},
"resourceUrl": {
"type": "string"
},
"scheme": {
"type": "string"
},
"validUntil": {
"type": "integer"
},
"version": {
"type": "integer"
}
},
"required": [
"version",
"resourceUrl",
"scheme",
"network",
"asset",
"payTo",
"amount"
],
"type": "object"
},
"signature": {
"type": "string"
}
},
"required": [
"format",
"signature"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"offers"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1781044576/bazaar-icons/84cde0751281b3d0.png",
"lastUpdated": "2026-10-26T14:57:37.517Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T14:57:37.289Z"
},
"resource": "https://x402.ottoai.services/llm-research",
"serviceName": "Otto AI",
"tags": [
"ai research",
"web search",
"research assistant",
"cited sources"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Instant AI research on any topic powered by Gemini 3.5 Flash, using live Google Search grounding when available. Answers list the sources search returned; some, such as a no-search fallback, may have none. Ask about science, tech, crypto, history, or anything else. Can analyze images and summarize webpages from URLs. Max 180 character prompts. $0.10 per query."
}What the leaf hashes
{"body":"5705bd07f831d4a0753e20397b24e9d372014ccffd27ca70c5959ef7726466ef","id":279053,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042169486223,"prev":null,"subject":"x402_bazaar:https://x402.ottoai.services/llm-research","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).
- 0xc74c27325baa7c7f7e958fd7d8253fa3bc667734368b356a9d9e6334470b5a1f
- 0x67c2543f651e1119b6684d1a9ec188f050028ffcc6f90eab29265d41174a1868
- 0x99525f38bb44bbe0d6b630917830dee055afdcaf577db192231f455ef79dd171
- 0x428a9337683bbba8e5dd0f85f81d89d51d2e75b0a603db5f88aa8e0dee39de0f
- 0xeaa2d5ce3e78810e2ba292c6750b524e76fafe66a50291bf9f04e4ae9d6a35ee
- 0x9dea95b8b34cd47cef9f43501dcf2b7deee271cb1152f0c9ca9638240a32e4f2
- 0x58c3ba318aff49df77337191ecafb1c5512d99ba6bd132b7326790fac165bddc
- 0x12df6a95fe8de6a1596333b3b23a72b3f6decd2c8a817496b16dbc52e630ffbf
- 0x8749938965d5fa044b295e6976ca33f63f6cf2ab1744361eac55e6ca795da107
- 0xc6ae85d609e7d5890f74a3f5d3b2ebae263f9ec4025f03a326b914e508ffffd3
- 0xed975d3cf9a825217ed3ef7c3e4522f054cfe35b47c462678d64461a93581906
- 0x9d99c5dad23613921cdfabc849c2dd3c97729992eaa05c4dab5e86e83ed6d220
- 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
- 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae