← The evidence ledger
Evidence row 119943
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/games/steam/:appid
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 58de339ade6ffd6bd90e25442d7c28055dc1f8a91bf70e1ac4e6d2edf095c13b
- Leaf
- 0xec205923c0ad44205fc56e52efa56700c180ac1988533e5fdc97f48bdca6df75
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/games/steam/:appid"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:steam-game",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"memo": "saylor:datadesk:steam-game",
"reference": "7za5wLbeEUCrj3q82joUjAh6n3nanodq4wwCUrFxneZE",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpzdGVhbS1nYW1lIiwicmVmZXJlbmNlIjoiN3phNXdMYmVFVUNyajNxODJqb1VqQWg2bjNuYW5vZHE0d3dDVXJGeG5lWkUiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjIyMTE2MTIxOH0.gL6xclV-f5PbdD61Tev4UA-Lne9aBKuSo-8gP4BPsDo"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Steam game details by app id - current price and discount, live concurrent player count, Metacritic score, genres, developer, release date and platforms",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"appid": "620"
},
"type": "http"
},
"output": {
"example": {
"appid": 620,
"categories": [
"Single-player",
"Multi-player",
"Co-op",
"Online Co-op",
"Shared/Split Screen Co-op",
"Shared/Split Screen",
"Steam Achievements",
"Full controller support"
],
"coming_soon": false,
"current_players": 1170,
"developers": [
"Valve"
],
"genres": [
"Action",
"Adventure"
],
"is_free": false,
"metacritic": {
"score": 95,
"url": "https://www.metacritic.com/game/pc/portal-2?ftag=MCD-06-10aaa1f"
},
"name": "Portal 2",
"platforms": {
"linux": true,
"mac": false,
"windows": true
},
"price": {
"currency": "USD",
"current": 9.99,
"discount_pct": 0,
"initial": 9.99
},
"publishers": [
"Valve"
],
"recommendations": 391982,
"release_date": "Apr 18, 2011",
"short_description": "The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!",
"source": "Steam Web API and Store",
"store_url": "https://store.steampowered.com/app/620",
"type": "game",
"website": "http://www.thinkwithportals.com/"
},
"type": "json"
}
},
"routeTemplate": "/api/games/steam/:appid",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"pathParams": {
"properties": {
"appid": {
"description": "Numeric Steam app id in the path, e.g. 620 (Portal 2) or 730",
"type": "string"
}
},
"required": [
"appid"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"pathParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"appid": {
"type": "number"
},
"categories": {
"description": "Categories",
"type": "array"
},
"coming_soon": {
"description": "Coming soon",
"type": "boolean"
},
"current_players": {
"description": "Current players",
"type": [
"number",
"null"
]
},
"developers": {
"type": "array"
},
"genres": {
"description": "Genres",
"type": "array"
},
"is_free": {
"description": "True when this is free",
"type": "boolean"
},
"metacritic": {
"type": [
"object",
"null"
]
},
"name": {
"description": "Name",
"type": "string"
},
"platforms": {
"description": "Platforms",
"type": [
"object",
"null"
]
},
"price": {
"description": "Price",
"type": [
"object",
"null"
]
},
"publishers": {
"type": "array"
},
"recommendations": {
"type": [
"number",
"null"
]
},
"release_date": {
"description": "Release date",
"type": [
"string",
"null"
]
},
"short_description": {
"description": "Short description",
"type": "string"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"store_url": {
"description": "Store URL",
"type": "string"
},
"type": {
"description": "Type or kind",
"type": "string"
},
"website": {
"type": [
"string",
"null"
]
}
},
"required": [
"appid",
"name"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-17T07:10:41.254Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-17T07:10:40.949Z"
},
"resource": "https://saylorinnovations.com/api/games/steam/:appid",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"steam game price",
"steam concurrent players",
"steam appid lookup",
"game metacritic score",
"steam store api"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Steam game details by app id - current price and discount, live concurrent player count, Metacritic score, genres, developer, release date and platforms"
}What the leaf hashes
{"body":"58de339ade6ffd6bd90e25442d7c28055dc1f8a91bf70e1ac4e6d2edf095c13b","id":119943,"kind":"listing","method":"baseline/1","observed_us":1793025616976111,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/games/steam/:appid","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).
- 0xec2057e625a1cdd04babdf9dcf38982481c8c80eb3e2fa2027b5dfbbb2c8d515
- 0x93d573276599ced38c4a066e64d95d8db8521e0cec1accf3161575f1ae794adf
- 0x359784fa2f9d91b8b0ba98f9824d7e479aab3946eddd41e05e81a63f308dd3ae
- 0x0c97853d0cbc772998bb38956f46d933ac75b4f8f44d0f678f66914ee7624943
- 0x4dbdc8eaa1392a39541234417bf1da78c67704f65aa0c2c1b8b415154ba24d54
- 0x7b028721ac42bc24dd4f416a4661268e659ebc9872e33f51f0ad139943bbd17a
- 0x29e3b547f9ed8b815fb6a53a9afab2a776ec420e9dc7ba9bd8f5d0e38150d071
- 0x56e97eed2ac006fdb81569d3ef93cede631c9e8e75542c648147f25cc10d9afe
- 0x4464dd2061ec013e7d53cd23da45888e7a5a0035928643b6d04cb9f53ece872a
- 0x0e6847189b6b941d0233f67c69f0c32e1b6794611c654d5a10f2587ccfc1b873
- 0x94e3a06f6e015a8e8a8a7e2c73991edf3f9ceb9ff83b85412d31c39f3e9bc8c1
- 0x4bac6365a3676c613d57c80f4d4f617e583205074db24f3dec4d2ed4939a26e6
- 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae