← The evidence ledger
Evidence row 119807
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/exoplanets/recent
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1d98098fae9c224bc8663abe480500eb29bafc0932a21e54586773088f02d6f5
- Leaf
- 0xef6ed29db5e467b6c73170a3403d03b1c9d6bcf431774800c14087723bc3a1ea
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/exoplanets/recent"
]
],
"name": "Saylor Innovations Earth and Spa",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:exoplanets:recent",
"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:exoplanets:recent",
"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:exoplanets:recent",
"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": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"memo": "saylor:exoplanets:recent",
"reference": "FSAXegextuCMstZADoksGSuaa9FoLkGWxh4saoE7S24J",
"session": "eyJhcnRpY2xlSWQiOiJleG9wbGFuZXRzOnJlY2VudCIsInJlZmVyZW5jZSI6IkZTQVhlZ2V4dHVDTXN0WkFEb2tzR1N1YWE5Rm9Ma0dXeGg0c2FvRTdTMjRKIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0MTA1NDg4NTh9.3GrFaOdB__oF_kxwOEcYXX-w1GaaE3D15roUi1qxTMk"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"memo": "saylor:exoplanets:recent",
"reference": "BJsc1VED8ySuCn9xSK9bM9DqZYc7NnQit96bW1Jfcxv4",
"session": "eyJhcnRpY2xlSWQiOiJleG9wbGFuZXRzOnJlY2VudCIsInJlZmVyZW5jZSI6IkJKc2MxVkVEOHlTdUNuOXhTSzliTTlEcVpZYzdOblFpdDk2YlcxSmZjeHY0IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0MTA1NDg4NTh9.vuOekdwL0344cCVeGSd4XxLSm33i0D97rmDq4vpWIO4"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "92689",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:exoplanets:recent",
"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": "DaMCF9U2t1r2RiNSqNmZ5uBD7Q2WZRgePwNf8wNFFEoD",
"session": "eyJhcnRpY2xlSWQiOiJleG9wbGFuZXRzOnJlY2VudCIsInJlZmVyZW5jZSI6IkRhTUNGOVUydDFyMlJpTlNxTm1aNXVCRDdRMldaUmdlUHdOZjh3TkZGRW9EIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyNjg5LCJleHAiOjE3OTI0MTA1NDg4NTl9.KWMuXn5_8WEQqIQRvysE-Fmq3H19I88te7qim8vT4Ec",
"solUsdPrice": 104.65
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Newly discovered exoplanets (NASA Exoplanet Archive), newest first, with method, size, mass and orbit",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": "20"
},
"type": "http"
},
"output": {
"example": {
"by_method": {
"Microlensing": 30,
"Transit": 120
},
"confirmed_exoplanets_total": 6372,
"discovered_since": 180,
"found": true,
"planets": [
{
"method": "Radial Velocity",
"name": "K2-232 c",
"published": "2026-09"
}
],
"since_year": 2025
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"limit": {
"description": "1-100, default 20 (query)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"by_method": {
"description": "By method"
},
"confirmed_exoplanets_total": {
"description": "Confirmed exoplanets total",
"type": [
"number",
"null"
]
},
"discovered_since": {
"description": "Discovered since",
"type": [
"number",
"null"
]
},
"found": {
"description": "True when the lookup matched a record",
"type": "boolean"
},
"planets": {
"description": "Planet positions",
"items": {
"type": "object"
},
"type": "array"
},
"since_year": {
"description": "Since year",
"type": [
"number",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": [
"string",
"null"
]
}
},
"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": "2026-10-19T11:47:08.903Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T11:47:08.621Z"
},
"resource": "https://saylorinnovations.com/api/exoplanets/recent",
"serviceName": "Saylor Innovations Earth and Spa",
"tags": [
"exoplanets",
"recent",
"nasa",
"science"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Newly discovered exoplanets (NASA Exoplanet Archive), newest first, with method, size, mass and orbit"
}What the leaf hashes
{"body":"1d98098fae9c224bc8663abe480500eb29bafc0932a21e54586773088f02d6f5","id":119807,"kind":"listing","method":"baseline/1","observed_us":1793025616517859,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/exoplanets/recent","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).
- 0xef6edac5f35d3b072d7b329a31418abe5cfd98777780ec1c96c6470a0891fab3
- 0x442e854f70bdf0c22ef945e304da2fd23ed717c52b0fb8bfcddad5534c119d53
- 0xfc6cfb4065b3ca4293e2f378ddb255b2225a45c032bb5c514f25fee9ef075521
- 0x33ba1fbff048b18d97040888fb95d73627a27b3cbfc76899d6ce068e5511d303
- 0x6bd61143dedaf19c4cacfc37c13281b40df4f703f37ab48223a9f7c5ce86cd7f
- 0x611038ab84ae530875a2659510ff970ca799f75490418e67e5fde87728da37d3
- 0xfdf3475003f2ab1a2e1d3782510d537dc5dd664e11a7fedf18d9fc85e4bf0e8c
- 0x9cebcee453d0c34046c9354d4e4108340469dbce1fc163aaec69c754a018c7b8
- 0x4079d79418de24ad0e2e3115116c66b738df060f283fbce8f65c511e8293682b
- 0x561cc4451e40804fde77fce39392adfcb80c38ec84eb38d744520de2446c6e57
- 0xd1f02e907670bf2f4c72056210a7d4ee252934850293a927f852acd3952f44a4
- 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
- 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae