← The evidence ledger
Evidence row 119395
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/bio/ontology-search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bea8efbc7a655c7aee7cc2697f7c01d53e0d6f513e067abfbd55f075c9c5b860
- Leaf
- 0xc66d916ede83cfdc8b35ac51140626901b80ed7c8a1b8e53d1603d056d7caa28
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/bio/ontology-search"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:ols-ontology-sea",
"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:datadesk:ols-ontology-sea",
"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:datadesk:ols-ontology-sea",
"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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
"memo": "saylor:datadesk:ols-ontology-sea",
"reference": "5XXk5V1DFGPVvMa1dQdDEZenion3S6WygtWTs56rNrg",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvbHMtb250b2xvZ3ktc2VhcmNoIiwicmVmZXJlbmNlIjoiNVhYazVWMURGR1BWdk1hMWRRZERFWmVuaW9uM1M2V3lndFdUczU2ck5yZyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDA5MDQ4NDA2fQ.33wj3RScGbR0TMS6qEsqdzbY9kPCRePzDxe3ijpWcLQ"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
"memo": "saylor:datadesk:ols-ontology-sea",
"reference": "xqea4GrLQeH89xe7K91WFamuvCuh7oz6XoCiqAP4G3X",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvbHMtb250b2xvZ3ktc2VhcmNoIiwicmVmZXJlbmNlIjoieHFlYTRHckxRZUg4OXhlN0s5MVdGYW11dkN1aDdvejZYb0NpcUFQNEczWCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDA5MDQ4NDA2fQ.e5T-W3walasjEQgEZ4q9HSzDq4tInqFjmHBneNfA_hw"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "92804",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:ols-ontology-sea",
"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": "95675",
"reference": "Jv8W7VKVUTQ1sS3uCPH6Ebyb8hWNBLTUp7bo8bP3bJm",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvbHMtb250b2xvZ3ktc2VhcmNoIiwicmVmZXJlbmNlIjoiSnY4VzdWS1ZVVFExc1MzdUNQSDZFYnliOGhXTkJMVFVwN2JvOGJQM2JKbSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MjgwNCwiZXhwIjoxNzkyNDA5MDQ4NDA2fQ.APdsQyVyRqRc5p_KPAb1dK03_jPEzHzO1wgXVLyvzxE",
"solUsdPrice": 104.52
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Search 250+ biomedical ontologies in the EBI Ontology Lookup Service for disease, phenotype, chemical and process terms with ids, definitions and synonyms",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": "5",
"q": "type 2 diabetes"
},
"type": "http"
},
"output": {
"example": {
"count": 5,
"note": "EMBL-EBI Ontology Lookup Service searches 250+ biomedical ontologies (MONDO, HP, GO, ChEBI, EFO, DOID...); use the id to link records across databases.",
"ontology_filter": null,
"query": "type 2 diabetes",
"source": "EMBL-EBI OLS4",
"terms": [
{
"definition": "Persons with type II diabetes mellitus rarely develop ketoacidosis.",
"id": "HP:0005978",
"iri": "http://purl.obolibrary.org/obo/HP_0005978",
"label": "Type II diabetes mellitus",
"obsolete": false,
"ontology": "hp",
"synonyms": [
"Diabetes mellitus Type II",
"Diabetes mellitus type 2",
"Diabetes mellitus, noninsulin-dependent",
"NIDDM diabetes mellitus",
"Non-insulin dependent diabetes"
]
},
{
"definition": "A type of diabetes mellitus that is characterized by insulin resistance or desensitization and increased blood glucose levels. This is a chronic disease that can develop gradually over the life of a patient and can be linked to both environmental factors and heredity.",
"id": "MONDO:0005148",
"iri": "http://purl.obolibrary.org/obo/MONDO_0005148",
"label": "type 2 diabetes mellitus",
"obsolete": false,
"ontology": "mondo",
"synonyms": [
"diabetes mellitis type 2",
"diabetes mellitis type II",
"diabetes mellitus, noninsulin-dependent, 2",
"diabetes mellitus, noninsulin-dependent, association with",
"diabetes mellitus, noninsulin-dependent, late onset"
]
},
{
"definition": "A type of diabetes mellitus that is characterized by insulin resistance or desensitization and increased blood glucose levels. This is a chronic disease that can develop gradually over the life of a patient and can be linked to both environmental factors and heredity.",
"id": "NCIT:C26747",
"iri": "http://purl.obolibrary.org/obo/NCIT_C26747",
"label": "Type 2 Diabetes Mellitus",
"obsolete": false,
"ontology": "ncit",
"synonyms": [
"Adult Onset Diabetes",
"Adult-Onset Diabetes",
"Diabetes, Type 2",
"Diabetes, Type II",
"NIDDM"
]
},
{
"definition": "Evidence of pre-existing type 2 diabetes mellitus in the type 2 in the in pregnancy in an unspecified trimester.",
"id": "NCIT:C197656",
"iri": "http://purl.obolibrary.org/obo/NCIT_C197656",
"label": "Pre-Existing Type 2 Diabetes Mellitus, Type 2, in Pregnancy, Unspecified Trimester",
"obsolete": false,
"ontology": "ncit",
"synonyms": [
"Pre-Existing Type 2 Diabetes Mellitus, Type 2, in Pregnancy, Unspecified Trimester",
"Pre-existing type 2 diabetes mellitus, type 2, in pregnancy, unspecified trimester"
]
},
{
"definition": null,
"id": "SNOMED:120731000119103",
"iri": "http://snomed.info/id/120731000119103",
"label": "Hypoglycemia due to type 2 diabetes mellitus (disorder)",
"obsolete": false,
"ontology": "snomed",
"synonyms": []
}
],
"total": 1396
},
"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": "optional 1-25, default 10",
"type": "string"
},
"q": {
"description": "Disease, phenotype, chemical or process name",
"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"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"ontology_filter": {
"description": "Ontology filter"
},
"query": {
"description": "The query as the server interpreted it",
"type": "string"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"terms": {
"description": "Matching ontology terms with id, label, ontology, definition, synonyms, obsolete flag and IRI",
"items": {
"properties": {
"definition": {
"description": "Definition"
},
"id": {
"description": "Identifier of the record"
},
"iri": {
"description": "Permanent identifier IRI",
"type": [
"string",
"null"
]
},
"label": {
"description": "Human-readable label"
},
"obsolete": {
"description": "True when the term is deprecated",
"type": [
"boolean",
"null"
]
},
"ontology": {
"description": "Ontology the term belongs to",
"type": [
"string",
"null"
]
},
"synonyms": {
"description": "Alternative names"
}
},
"type": "object"
},
"type": "array"
},
"total": {
"description": "Total number of matching items",
"type": "number"
}
},
"required": [
"query",
"terms"
],
"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": "2026-10-19T11:22:08.454Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T11:22:08.259Z"
},
"resource": "https://saylorinnovations.com/api/bio/ontology-search",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"find the mondo id for a disease",
"ontology term lookup",
"chebi id for a chemical",
"disease ontology identifier",
"map a clinical term"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Search 250+ biomedical ontologies in the EBI Ontology Lookup Service for disease, phenotype, chemical and process terms with ids, definitions and synonyms"
}What the leaf hashes
{"body":"bea8efbc7a655c7aee7cc2697f7c01d53e0d6f513e067abfbd55f075c9c5b860","id":119395,"kind":"listing","method":"baseline/1","observed_us":1793025615256609,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/bio/ontology-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).
- 0xc66d71772a7149cf3b808f13e6ba19a649876224cc37ef2b5e9e5c6c699b9cbd
- 0x152fb22d25683618d87b572277206228fd2276df0590f8fa5506b7d3c75c2dd7
- 0x28ef51f2d21127222b8ecb11124ccb7b6e130dd9acf63cfe9f3115c0196451e0
- 0x24faa4ac63195f4f30537c7de5afd31a930a008d133f7879d0d91903fc7497a6
- 0xe42bc6f6f1006e233a24624fb1d0de7b701a60d624af380a8ecef4f7b0f0982f
- 0x94ea2c172646180bca52c2f1740192c9b1754bc7241fbf0b3f95bdac05b108f6
- 0xe6b7f8cf9ba0ae802a2bad8c6cddef37bf8e239a03c058f8a7b831d8d69f8b09
- 0xe85ed350c0053b4ff5a58d369a878819589de5b1648588d8165b75830f030c06
- 0x1b9dbe5112588a7f2b1b0ed2aa9b71047b77a5b91bfb1e88df305d0873594c3c
- 0xa5d93de518cc5a3e0fcb59e9d61337c743409d708b23c5352bebbbec973ca249
- 0xcf79908a8c2a5f4d274583b3f75e7aa2d8b29ffc384541425852fe761ae31d56
- 0x9d99c5dad23613921cdfabc849c2dd3c97729992eaa05c4dab5e86e83ed6d220
- 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
- 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae