← The evidence ledger
Evidence row 61924
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent402.tools/api/options-ticker
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d08e563d42878a013ca4d1bd7cf1218488260635125379d6a4d311cbbb50b4b2
- Leaf
- 0xb307890518fd671242b931a67e7299dd0b0034aa890be6d4e1b30d99e4f369cd
What was observed
{
"endpoints": [
[
"x402",
"https://agent402.tools/api/options-ticker"
]
],
"name": "Options instrument ticker",
"owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"outputSchema": {
"properties": {
"fetchedAt": {
"type": "string"
},
"resolvedFrom": {
"type": "string"
},
"source": {
"type": "string"
},
"ticker": {
"type": "object"
}
},
"required": [
"source",
"resolvedFrom",
"ticker",
"fetchedAt"
],
"type": "object"
},
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:143",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:43114",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:1329",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:10",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
"extra": {
"name": "Global Dollar",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:4663",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42220",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "upto"
},
{
"amount": "2000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
"extra": {
"areFeesSponsored": true
},
"maxTimeoutSeconds": 300,
"network": "stellar:pubnet",
"payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
"tag": "x402-global-challenge"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
"scheme": "exact"
}
],
"description": "One options instrument live: mark, last, bid and ask with sizes, index price, open interest, mark, bid and ask implied volatility and the full greeks (delta, gamma, vega, theta, rho). Use it when an agent holds or is quoting a specific contract and needs its current risk numbers.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"currency": "BTC"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"fetchedAt": "2026-08-22T12:00:00.000Z",
"resolvedFrom": "nearest-expiry-atm",
"source": "deribit",
"ticker": {
"askIv": 48.9,
"bestAsk": 0.0125,
"bestBid": 0.0115,
"bidIv": 46.1,
"greeks": {
"delta": 0.52,
"gamma": 0.00012,
"rho": 2.1,
"theta": -190.2,
"vega": 30.1
},
"indexPrice": 77242.3,
"instrument": "BTC-26AUG26-77000-C",
"lastPrice": 0.012,
"markIv": 47.5,
"markPrice": 0.0121,
"openInterest": 85.2,
"state": "open",
"stats": {
"high24h": 0.013,
"low24h": 0.011,
"priceChange24hPct": -4.2,
"volume24h": 120.5,
"volume24hUsd": 112000
},
"timestamp": "2026-08-22T12:00:00.000Z",
"underlyingIndex": "BTC-26AUG26",
"underlyingPrice": 77317.9
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"currency": {
"description": "Alternative to instrument: BTC or ETH picks the nearest-expiry at-the-money option.",
"type": "string"
},
"instrument": {
"description": "Deribit instrument name, e.g. BTC-PERPETUAL or ETH-27MAR26-3000-P.",
"type": "string"
},
"type": {
"description": "With currency: call (default) or put.",
"type": "string"
}
},
"required": []
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"fetchedAt": {
"type": "string"
},
"resolvedFrom": {
"type": "string"
},
"source": {
"type": "string"
},
"ticker": {
"type": "object"
}
},
"required": [
"source",
"resolvedFrom",
"ticker",
"fetchedAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_b4aw4uzd"
},
"schema": {
"$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"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1788138502/bazaar-icons/478aced8e219894c.png",
"lastUpdated": "2026-10-20T02:00:55.042Z",
"quality": {
"l30DaysTotalCalls": 8,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-20T02:00:54.869Z"
},
"resource": "https://agent402.tools/api/options-ticker",
"serviceName": "Options instrument ticker",
"tags": [
"crypto",
"derivatives",
"options",
"ticker",
"greeks"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "One options instrument live: mark, last, bid and ask with sizes, index price, open interest, mark, bid and ask implied volatility and the full greeks (delta, gamma, vega, theta, rho). Use it when an agent holds or is quoting a specific contract and needs its current risk numbers."
}What the leaf hashes
{"body":"d08e563d42878a013ca4d1bd7cf1218488260635125379d6a4d311cbbb50b4b2","id":61924,"kind":"listing","method":"baseline/1","observed_us":1793025452136167,"prev":null,"subject":"x402_bazaar:https://agent402.tools/api/options-ticker","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).
- 0xb30758c8092f8f669c5afdb12586973a2c22a1d05a070613f16cfa8e68b87c3e
- 0x084c40e7ada4ccc7b5a81d116173a02a2bc94b10b2037728369f3ae9272c8184
- 0x90c1666212613fc2ce56ff8d08c9ddb4b2cb768549fb7c629c1dff2775fd6daf
- 0xc99638886b382ead2795c7e75614e86f46e3875f3b121baa15ee8ec59e3d3fb1
- 0xaa7faae00d7492d09ac0cd380c3e666d3c00ccc3a798a21373bdbf01e0c238a5
- 0x784a7bbb3ca326d585176fa35cad8dbbcf7a97af75086ad48c5300027f31ad1c
- 0xd23d59b81aa62423616fe449026f2ab3840af69b910ab633b3fd1f92f58b8254
- 0x3b6b3befde19fc858b220fe429cf8c553bce4667cf8cc4a5e8d3d6c773345a77
- 0xf3459130fadd071ff4467116a3e6ee7756254e46323de97b1e1bd4c8bdffe533
- 0x34826d27a00fb6f2649b492e5ca5ff6025211b9bda757487c3351c0e533593f3
- 0x08b0ee375f7c28afd23e265e3e1bed91ba37304e42eafa665ef4a7f785b3e7bf
- 0x3d6ec9d5ef8daa604601742088e213da0a439db6eff6ce50ec3ffb264a60ddd3
- 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
- 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae