← The evidence ledger
Evidence row 119399
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/bio/pdb/:pdb_id
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5e08e9ca6d9fc6a3c23da11e0e6b752c17c0a86d81456d6fb2ae365ff365d41f
- Leaf
- 0x31d0e813da6e82c4024fec0e3522384a6c10be04374141e2d2d47a815ef50394
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/bio/pdb/:pdb_id"
]
],
"name": "Saylor Innovations Bioinformatic",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:bio:pdb",
"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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
"memo": "saylor:bio:pdb",
"reference": "3dwvsfqvAE5XGzscgn8Hqk2dko8A5ZeAQJ5YqkvoELGS",
"session": "eyJhcnRpY2xlSWQiOiJiaW86cGRiIiwicmVmZXJlbmNlIjoiM2R3dnNmcXZBRTVYR3pzY2duOEhxazJka284QTVaZUFRSjVZcWt2b0VMR1MiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MTgwODc5MTc2MX0.WUFgZgQapst4CL4sfH1KzIi6jHM0v0o-3by4EFfCByc"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Protein Data Bank structure lookup by PDB id - method, resolution, chains, ligands, citation and files",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"pdb_id": "4HHB"
},
"type": "http"
},
"output": {
"example": {
"found": true,
"ligands": [
{
"formula": "C34 H32 Fe N4 O4",
"id": "HEM",
"name": "PROTOPORPHYRIN IX CONTAINING FE"
}
],
"method": "X-RAY DIFFRACTION",
"pdb_id": "4HHB",
"polymers": [
{
"chains": [
"A",
"C"
],
"description": "Hemoglobin subunit alpha",
"organisms": [
"Homo sapiens"
],
"uniprot_ids": [
"P69905"
]
}
],
"resolution_angstrom": 1.74,
"title": "THE CRYSTAL STRUCTURE OF HUMAN DEOXYHAEMOGLOBIN AT 1.74 ANGSTROMS RESOLUTION"
},
"type": "json"
}
},
"routeTemplate": "/api/bio/pdb/:pdb_id",
"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": {
"pdb_id": {
"type": "string"
}
},
"required": [
"pdb_id"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"pathParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"found": {
"type": "boolean"
},
"ligands": {
"items": {
"type": "object"
},
"type": "array"
},
"method": {
"type": "string"
},
"pdb_id": {
"type": "string"
},
"polymers": {
"items": {
"type": "object"
},
"type": "array"
},
"resolution_angstrom": {
"type": [
"number",
"null"
]
},
"title": {
"type": "string"
}
},
"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": "2026-10-12T12:37:51.796Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-12T12:37:51.541Z"
},
"resource": "https://saylorinnovations.com/api/bio/pdb/:pdb_id",
"serviceName": "Saylor Innovations Bioinformatic",
"tags": [
"bioinformatics",
"pdb",
"genomics",
"proteins"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Protein Data Bank structure lookup by PDB id - method, resolution, chains, ligands, citation and files"
}What the leaf hashes
{"body":"5e08e9ca6d9fc6a3c23da11e0e6b752c17c0a86d81456d6fb2ae365ff365d41f","id":119399,"kind":"listing","method":"baseline/1","observed_us":1793025615295209,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/bio/pdb/:pdb_id","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).
- 0x31d056f4f77adea796c3fb3e57b36cda1ba1cd29fc7ade21197d19ed464f0558
- 0xefc6ab7c83592d23c090c922ddbd24d40380e76ba96236ab9ee62938fdc02855
- 0x0bf4554c409a598d1a870cdd1068dedd8c960736c4e1bc54f05d7581a5240fa9
- 0x0f09dd2f26e9eb148707daec18113194eae7e32cc49c8e66f92b1e7e5c05ced4
- 0x1bdbf112f1147391bdb07590766aa348591e9e6ad9e77db6481e1e36648416ac
- 0xda347a19422630fd15f0cb87b0cf70b837b7c9d2f00caa50cf365b75e5379a25
- 0x8e9110c25eca2d260b50d8555b1277724b47e264462eb126cf52a103bd470523
- 0x672b49574aaebad7209f687253ab57aef53af8af3e4afcb3b1eb79942bd21fc6
- 0x271399d48d0a25649de8b59ff42473d087d7fc7c680f8193b77f47ce9c2ea970
- 0xce0740e6facbd597b5f316a328277b7e9d0a2d51c77e133bfdd914b3b0060d10
- 0x631846da76ec1e8570c7c09dada1cc0affff7b5654335239fd84d2059c750b13
- 0x2f4617d7a962f32849050ad5649d9dc4f962fd8618073cfa8519e6f862dfcef8
- 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
- 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae