← The evidence ledger
Evidence row 119974
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/geology/at
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ba0fa2a4f0b5b1d63c884cce6aac1f7ee36f0e31e139a7fb957fb0766f1b0671
- Leaf
- 0xd7423b842f0ca09af7dedf4260ca3060d27a11ba0dbc4c94a891c322b1be81b7
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/geology/at"
]
],
"name": "Saylor Innovations Earth and Spa",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:geology:at",
"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": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:geology:at",
"name": "USD Coin",
"note": "Polygon 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": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:geology:at",
"name": "USD Coin",
"note": "Arbitrum 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": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:geology:at",
"reference": "9newD8LPDv7RmfSYn4uyRPD7LRA8vCTSkCiNVsoNLNJ5",
"session": "eyJhcnRpY2xlSWQiOiJnZW9sb2d5OmF0IiwicmVmZXJlbmNlIjoiOW5ld0Q4TFBEdjdSbWZTWW40dXlSUEQ3TFJBOHZDVFNrQ2lOVnNvTkxOSjUiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQxMDU0MDcyOH0.MLPQndFOF2-olkDeHwtl9AHizEaoS0hLFnUOEtbyicw"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:geology:at",
"reference": "GEVEbenQPmuGL2GjYMDyVdpnn8Mjcmc4bVm7XKAJ6Ly3",
"session": "eyJhcnRpY2xlSWQiOiJnZW9sb2d5OmF0IiwicmVmZXJlbmNlIjoiR0VWRWJlblFQbXVHTDJHallNRHlWZHBubjhNamNtYzRiVm03WEtBSjZMeTMiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQxMDU0MDcyOX0.GCMW2VtDCnumDX1jICI15PShS3BO6lmR6lHfjRotsq0"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "92689",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:geology:at",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "95556",
"reference": "39nLP6drAAVgWNA61UUeVwn1uU5n4hg4FQbBGyqrx21s",
"session": "eyJhcnRpY2xlSWQiOiJnZW9sb2d5OmF0IiwicmVmZXJlbmNlIjoiMzluTFA2ZHJBQVZnV05BNjFVVWVWd24xdVU1bjRoZzRGUWJCR3lxcngyMXMiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTI2ODksImV4cCI6MTc5MjQxMDU0MDc4N30.c6_0X1NtNwkqSabkHhCKt9BehHABKLLnEm4fJrZQLKs",
"solUsdPrice": 104.65
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Geologic unit at any latitude and longitude - rock type, formation, age and source survey map",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"lat": "36.1",
"lon": "-112.1"
},
"type": "http"
},
"output": {
"example": {
"bedrock": {
"age": {
"oldest_ma": 1800,
"period": "Statherian",
"youngest_ma": 1600
},
"map_source": {
"title": "Geologic Map of the Grand Canyon 30' x 60' Quadrangle"
},
"name": "Granite, granitic pegmatite, and aplite"
},
"elevation_m": 746,
"found": true,
"lat": 36.1,
"lon": -112.1
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"lat": {
"description": "latitude (query)",
"type": "string"
},
"lon": {
"description": "longitude (query)",
"type": "string"
}
},
"required": [
"lat",
"lon"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"bedrock": {
"type": "object"
},
"elevation_m": {
"description": "Elevation above sea level in metres",
"type": [
"number",
"null"
]
},
"found": {
"description": "True when the lookup matched a record",
"type": "boolean"
},
"lat": {
"description": "Latitude in decimal degrees",
"type": [
"number",
"null"
]
},
"lon": {
"description": "Longitude in decimal degrees",
"type": [
"number",
"null"
]
},
"note": {
"description": "Caveat or context for reading the result",
"type": [
"string",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": [
"string",
"null"
]
},
"units_at_other_map_scales": {
"description": "Units at other map scales",
"items": {
"type": "object"
},
"type": "array"
}
},
"required": [
"found"
],
"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/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-19T11:47:01.16Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T11:47:00.074Z"
},
"resource": "https://saylorinnovations.com/api/geology/at",
"serviceName": "Saylor Innovations Earth and Spa",
"tags": [
"geology",
"at",
"nasa",
"science"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Geologic unit at any latitude and longitude - rock type, formation, age and source survey map"
}What the leaf hashes
{"body":"ba0fa2a4f0b5b1d63c884cce6aac1f7ee36f0e31e139a7fb957fb0766f1b0671","id":119974,"kind":"listing","method":"baseline/1","observed_us":1793025617020776,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/geology/at","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).
- 0xd742282b25495d94ca609c206606bbf6d31a6269e7c6c00434aa468310c8bfdb
- 0x38606e18f6fb6f622bb935f495a1a50ebc84eda1905b78019af873f22169bc7b
- 0xc974305403b14b1cc9e6dee80d69a381c57b665253090f0dcb5d78d1fb59a977
- 0xdb14cdd9df93059dfab316fbad8c2b365a5d7d31aa140d6fcb4c6132ff5b756a
- 0x65987bd00fb741e754a212f3a8d5bb547527b5534228654b7746ac6f5296a28b
- 0xcb2492b3ef34fa35f898feb4d7d4345c3fc84fdebb4565da8d995d66f2c72b0d
- 0x4611adb05cb0ac6d8f0cb76951870e0eb710b8de77b8b367a535b45dae4bc58f
- 0x233fd796998b8e6fe3b60bd6b26868bd8e9990b677e2da37bf960987e75fe1cb
- 0x6a821e804f58fbab35dd58effefb1c77533f5327dcdf2a295bb991ecd4473953
- 0x206287918135573a87e376ef5dd28f3e452e64e037a8e2c8a8f5db3f0e0e7d4c
- 0x681ef979e2591e4ee00c2230855c75508aa926b1abc5e4e5e6a9348a15261045
- 0x39d84ffb833c94bfff15760ea7da987f5303e407884de386d5a33b2328c7d785
- 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
- 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae