← The evidence ledger
Evidence row 120569
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/research/organizations
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 340ff056665e5c88a58aef60ced87ae4174b324393db245d639191c09807b78a
- Leaf
- 0xc3f67b8bef9417c62303518cd1a3c2b55242f0faa65894c7bfa15c2113fe0dbe
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/research/organizations"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:ror-organization",
"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:ror-organization",
"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:ror-organization",
"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": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
"memo": "saylor:datadesk:ror-organization",
"reference": "Hk1CHUTMwgTC5viXczEZzQ858W6vobSPM8pzXrmv4LAJ",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpyb3Itb3JnYW5pemF0aW9ucyIsInJlZmVyZW5jZSI6IkhrMUNIVVRNd2dUQzV2aVhjekVaelE4NThXNnZvYlNQTThwelhybXY0TEFKIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzODA0NjgzNTJ9.GdVy99OFoviXujegCy4LgTv3oNV_fpyHUP5wKk6oyUE"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
"memo": "saylor:datadesk:ror-organization",
"reference": "55H5uorgmm5WyiYV7cnToYWRVUHw57WHBVB9wzAN9kLZ",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpyb3Itb3JnYW5pemF0aW9ucyIsInJlZmVyZW5jZSI6IjU1SDV1b3JnbW01V3lpWVY3Y25Ub1lXUlZVSHc1N1dIQlZCOXd6QU45a0xaIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzODA0NjgzNTJ9.FqRT5xldycrJ2DAvm1OQK9hYOpuEG6FSdYGXnroTgRU"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "92134",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:ror-organization",
"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": "94984",
"reference": "HsJfTUfBT7SC3B4dBArXzK2HXsc5ew6Qyk1A9uzDsggN",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpyb3Itb3JnYW5pemF0aW9ucyIsInJlZmVyZW5jZSI6IkhzSmZUVWZCVDdTQzNCNGRCQXJYeksySFhzYzVldzZReWsxQTl1ekRzZ2dOIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyMTM0LCJleHAiOjE3OTIzODA0NjgzNTJ9.Qfhd6ZT2B5oqPQk14NrwANP8PKVBScT_mp39y4m6FJM",
"solUsdPrice": 105.28
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Look up research organisations in the ROR registry - ROR id, type, country, city, website, Wikipedia, GRID, ISNI and Fundref ids for any institution",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"q": "stanford university"
},
"type": "http"
},
"output": {
"example": {
"organizations": [
{
"acronyms": [
"SU"
],
"city": "Stanford",
"country": "United States",
"country_code": "US",
"established": 1891,
"external_ids": {
"fundref": "100010869",
"grid": "grid.168010.e",
"isni": "0000 0004 1936 8956",
"wikidata": "Q41506"
},
"name": "Stanford University",
"region": "California",
"ror_id": "https://ror.org/00f54p054",
"status": "active",
"types": [
"education",
"funder"
],
"website": "https://www.stanford.edu",
"wikipedia": "http://en.wikipedia.org/wiki/Stanford_University"
},
{
"acronyms": [],
"city": "Stanford",
"country": "United States",
"country_code": "US",
"established": 1959,
"external_ids": {
"grid": "grid.240952.8",
"isni": "0000 0000 8734 2732",
"wikidata": "Q7598810"
},
"name": "Stanford Medicine",
"region": "California",
"ror_id": "https://ror.org/03mtd9a03",
"status": "active",
"types": [
"healthcare"
],
"website": "https://med.stanford.edu",
"wikipedia": "https://en.wikipedia.org/wiki/Stanford_University_Medical_Center"
},
{
"acronyms": [
"PACS"
],
"city": "Stanford",
"country": "United States",
"country_code": "US",
"established": 2006,
"external_ids": {
"fundref": "100014500"
},
"name": "Stanford Center on Philanthropy and Civil Society",
"region": "California",
"ror_id": "https://ror.org/00wj9fh42",
"status": "active",
"types": [
"education",
"funder"
],
"website": "https://pacscenter.stanford.edu",
"wikipedia": null
},
{
"acronyms": [
"CVI"
],
"city": "Stanford",
"country": "United States",
"country_code": "US",
"established": 2004,
"external_ids": {
"fundref": "100019607"
},
"name": "Stanford Cardiovascular Institute",
"region": "California",
"ror_id": "https://ror.org/03kk52s14",
"status": "active",
"types": [
"facility",
"funder"
],
"website": "https://med.stanford.edu/cvi.html",
"wikipedia": null
},
{
"acronyms": [],
"city": "Palo Alto",
"country": "United States",
"country_code": "US",
"established": 2003,
"external_ids": {
"fundref": "100014549",
"isni": "0000 0004 0637 8186"
},
"name": "Stanford Cancer Institute",
"region": "California",
"ror_id": "https://ror.org/014qe3j22",
"status": "active",
"types": [
"healthcare"
],
"website": "https://med.stanford.edu/cancer.html",
"wikipedia": "https://en.wikipedia.org/wiki/Stanford_Cancer_Institute"
},
{
"acronyms": [],
"city": "Palo Alto",
"country": "United States",
"country_code": "US",
"established": 1978,
"external_ids": {
"grid": "grid.511670.4"
},
"name": "Stanford Blood Center",
"region": "California",
"ror_id": "https://ror.org/03kezgr11",
"status": "active",
"types": [
"nonprofit"
],
"website": "https://stanfordbloodcenter.org/",
"wikipedia": null
},
{
"acronyms": [
"CIS"
],
"city": "Stanford",
"country": "United States",
"country_code": "US",
"established": 1978,
"external_ids": {
"fundref": "100015269",
"isni": "0000 0004 8307 2922"
},
"name": "Stanford SystemX Alliance",
"region": "California",
"ror_id": "https://ror.org/0551gkb08",
"status": "active",
"types": [
"facility",
"funder"
],
"website": "https://systemx.stanford.edu",
"wikipedia": null
},
{
"acronyms": [],
"city": "Stanford",
"country": "United States",
"country_code": "US",
"established": null,
"external_ids": {
"grid": "grid.490568.6",
"isni": "0000 0004 5997 482X"
},
"name": "Stanford Health Care",
"region": "California",
"ror_id": "https://ror.org/019wqcg20",
"status": "active",
"types": [
"healthcare"
],
"website": "https://stanfordhealthcare.org/",
"wikipedia": null
}
],
"query": "stanford university",
"returned": 8,
"source": "Research Organization Registry (ROR)",
"total_matches": 14703
},
"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": "Organisation name, e.g. stanford university, max planck, cern",
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"organizations": {
"type": "array"
},
"query": {
"description": "The query as the server interpreted it",
"type": "string"
},
"returned": {
"description": "Number of items in this response",
"type": "number"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"total_matches": {
"description": "Total number of matches before any limit is applied",
"type": [
"number",
"null"
]
}
},
"required": [
"query",
"organizations"
],
"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": "2026-10-19T03:25:48.406Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T03:25:48.18Z"
},
"resource": "https://saylorinnovations.com/api/research/organizations",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"ror id lookup",
"research organization registry",
"university identifier",
"find institution ror",
"affiliation disambiguation"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Look up research organisations in the ROR registry - ROR id, type, country, city, website, Wikipedia, GRID, ISNI and Fundref ids for any institution"
}What the leaf hashes
{"body":"340ff056665e5c88a58aef60ced87ae4174b324393db245d639191c09807b78a","id":120569,"kind":"listing","method":"baseline/1","observed_us":1793025618247025,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/research/organizations","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).
- 0xc3f64a08e458ea40ec34df15d8a8f087703bb8ed13d4cb4338392e3fb6e7cb92
- 0x818fab5b91b2015ff277405797d020b40272d3c2ec47fd41e4c6e9073c6a8ada
- 0xdb6f7ef7bbe1b3b95565696f7d7f82f0917f906bbbb00ec188bf6ae64850f84c
- 0x25ab4b2f6301b77e6e3bfdc325b87d309cbbfcde5eea30cd17125cd73faf0b18
- 0x51bf738e8beeabf86d81c9dfb973c99fac98575a95c20a9884688cf47caac1be
- 0x41f93a133c84194f61d30ef4c1b8f95946f4448b58fd938cd7f99fde8e761129
- 0x587676b668d749d1153470b4af0102118e7906b589d598b12f933e5738010dc9
- 0x43ca5f2c71067cfc9b7d53c8472dc77c0f9a17d42d54f2a9ad57a505ceb49029
- 0x96af53cab0b6484baa5b5de03c539cb87a76d8f71b3a639a422035419c9fbaf3
- 0xdc850e305944c852a3843d2749ca3439ee04fdbf864b6a8660cc3fd8b5aced96
- 0x2cd92a66ffb802d7ebc327d20fe07925be80289ee1c2910e6818dc40c67f2487
- 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
- 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
- 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae