← The evidence ledger
Evidence row 119398
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/bio/pdb-search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 67fcf815fe65a426d71aa000258dfdc680e074a332e2e9967b173d7f0f01e87d
- Leaf
- 0x99fed074e76a53152d1c8659037ab8955a43bdc48417a88e4755ecd7e5aef3d9
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/bio/pdb-search"
]
],
"name": "Saylor Innovations Bioinformatic",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:bio:pdb-search",
"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:bio:pdb-search",
"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:bio:pdb-search",
"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": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:bio:pdb-search",
"reference": "ET6dqmPTEK36sEFQ76DRznN4b2egmCoaSAsanGWKSZU6",
"session": "eyJhcnRpY2xlSWQiOiJiaW86cGRiLXNlYXJjaCIsInJlZmVyZW5jZSI6IkVUNmRxbVBURUszNnNFRlE3NkRSem5ONGIyZWdtQ29hU0FzYW5HV0tTWlU2IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0MDk5NDE3Nzl9.TKjv87Zk3Lk-4qz83tbEwJ6BkjLVqKahObPy_FV0vt0"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:bio:pdb-search",
"reference": "HCawiDt812w55U7nRtAttp3JjBvh25zE7b5gdKK5D1vt",
"session": "eyJhcnRpY2xlSWQiOiJiaW86cGRiLXNlYXJjaCIsInJlZmVyZW5jZSI6IkhDYXdpRHQ4MTJ3NTVVN25SdEF0dHAzSmpCdmgyNXpFN2I1Z2RLSzVEMXZ0IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0MDk5NDE3Nzl9.aUeD-F6Wiv-4xdzEsi9-7pDFvAmYnc-bpt6pAQIy7pg"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "92928",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:bio:pdb-search",
"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": "95803",
"reference": "3y1TrWmNvLwFsiMxGN6oVubQFzSZP8ZcvHcqLZ7p2PGf",
"session": "eyJhcnRpY2xlSWQiOiJiaW86cGRiLXNlYXJjaCIsInJlZmVyZW5jZSI6IjN5MVRyV21Odkx3RnNpTXhHTjZvVnViUUZ6U1pQOFpjdkhjcUxaN3AyUEdmIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyOTI4LCJleHAiOjE3OTI0MDk5NDE3Nzl9.KNZ5hNWtnxE5d267ahobZHpnzxDFntHgavcNgiM5MVE",
"solUsdPrice": 104.38
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Search the Protein Data Bank for 3D structures by free text - title, method, resolution and release date",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"q": "spike glycoprotein"
},
"type": "http"
},
"output": {
"example": {
"found": true,
"query": "spike glycoprotein",
"results": [
{
"method": "ELECTRON MICROSCOPY",
"pdb_id": "6VSB",
"resolution_angstrom": 3.46,
"title": "Prefusion 2019-nCoV spike glycoprotein with a single receptor-binding domain up"
}
],
"total_matches": 3000
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"q": {
"description": "free text (query)",
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"count": {
"description": "Number of items returned",
"type": [
"number",
"null"
]
},
"found": {
"description": "True when the lookup matched a record",
"type": "boolean"
},
"query": {
"description": "The query as the server interpreted it",
"type": [
"string",
"null"
]
},
"results": {
"description": "List of matching results",
"items": {
"type": "object"
},
"type": "array"
},
"source": {
"description": "Data source the values come from",
"type": [
"string",
"null"
]
},
"total_matches": {
"description": "Total number of matches before any limit is applied",
"type": "number"
}
},
"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": "2026-10-19T11:37:01.825Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T11:37:01.662Z"
},
"resource": "https://saylorinnovations.com/api/bio/pdb-search",
"serviceName": "Saylor Innovations Bioinformatic",
"tags": [
"bioinformatics",
"pdb-search",
"genomics",
"proteins"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Search the Protein Data Bank for 3D structures by free text - title, method, resolution and release date"
}What the leaf hashes
{"body":"67fcf815fe65a426d71aa000258dfdc680e074a332e2e9967b173d7f0f01e87d","id":119398,"kind":"listing","method":"baseline/1","observed_us":1793025615293462,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/bio/pdb-search","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).
- 0x99fec9d0735bbec1f510660bdc44f5eba832bc1930246e96c4fa18bc0725f988
- 0x16caedd2e7043c4a54ebb79f201296c82ab73d6589b27dcaa75965238ccc9426
- 0x13d614621613ac4eb002a6c64a516e6a27fd0b5635019b633c5078f0f2121c9f
- 0x80451c4f91d716f308335e4c5135815af72424eaa196a6528d354473556a88f1
- 0x9c6a82210052f113fb5ed5b720155da9e20bc7483f132c36159bad2401394828
- 0x7019843f296d6f986a3421ac61ac8cd717defad570c2d3794629f8666b82ae89
- 0x3090e94a08ede74440063c2105643367232a8d9228abbaf9578d1b823166ec28
- 0x6be5370a96919f2daadb44c883f48f6814f6f4c5aa642cd474a2d3a70f806e1d
- 0xcd45fafe8adfe77a8f713da013a9a729663a51ac086a5a47fb524f27e9a9de55
- 0x5f0ab04037f02b99972d6b76445e37cd5ba1ec6ac47f36a9b265411ab683344b
- 0xee5ef8d84c329a24d375330252426182463aa2a536127b218e61007c87101323
- 0xfee33ee0189dc82c649bd0324796a297b897507b2fddbbe2eff331c40c960ce2
- 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
- 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae