← The evidence ledger
Evidence row 120493
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/physics/papers
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 97e5929bd60677332974d9b168fff5d8989c50b29821586839c9d93a700941fd
- Leaf
- 0xffea63ff2f1e1a2c105378e8997caa24ca76c0350d6048efc5db8b9c7cc8669f
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/physics/papers"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:physics-papers",
"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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:physics-papers",
"reference": "7JW8Tkw8gHr9Dx944u2TxXfHyiLF8WXnipmx5DkpXMvq",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpwaHlzaWNzLXBhcGVycyIsInJlZmVyZW5jZSI6IjdKVzhUa3c4Z0hyOUR4OTQ0dTJUeFhmSHlpTEY4V1huaXBteDVEa3BYTXZxIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIyNDc0NTQ5Mzl9.DYbRDYc6o0Rsvxrl716AxX6-P3h0HinT9BEEfi1Uf1g"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Physics paper search on INSPIRE-HEP - title, authors, citation count, arXiv id and DOI for high energy physics and astrophysics literature",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": "5",
"q": "dark matter halo"
},
"type": "http"
},
"output": {
"example": {
"checked_at": "2026-10-15T10:56:51.463Z",
"papers": [
{
"arxiv_id": "astro-ph/9611107",
"author_count": 3,
"authors": [
"Navarro, Julio F.",
"Frenk, Carlos S.",
"White, Simon D.M."
],
"citations": 8975,
"doi": "10.1086/304888",
"first_date": "1996-11",
"inspire_url": "https://inspirehep.net/literature/436917",
"journal": "Astrophys.J.",
"title": "A Universal density profile from hierarchical clustering",
"year": 1997
},
{
"arxiv_id": "astro-ph/9508025",
"author_count": 3,
"authors": [
"Navarro, Julio F.",
"Frenk, Carlos S.",
"White, Simon D.M."
],
"citations": 7644,
"doi": "10.1086/177173",
"first_date": "1995-08",
"inspire_url": "https://inspirehep.net/literature/406997",
"journal": "Astrophys.J.",
"title": "The Structure of cold dark matter halos",
"year": 1996
},
{
"arxiv_id": "hep-ph/9506380",
"author_count": 3,
"authors": [
"Jungman, Gerard",
"Kamionkowski, Marc",
"Griest, Kim"
],
"citations": 5540,
"doi": "10.1016/0370-1573(95)00058-5",
"first_date": "1995-06",
"inspire_url": "https://inspirehep.net/literature/396520",
"journal": "Phys.Rept.",
"title": "Supersymmetric dark matter",
"year": 1996
}
],
"query": "dark matter halo",
"sort": "mostcited",
"source": "INSPIRE-HEP (CERN, DESY, Fermilab, IHEP, IN2P3, SLAC) - metadata CC0",
"total_matches": 15607
},
"type": "json"
}
},
"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"
},
"queryParams": {
"properties": {
"limit": {
"description": "optional 1-25, default 10",
"type": "string"
},
"q": {
"description": "Search text or INSPIRE query, e.g. dark matter halo",
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"checked_at": {
"description": "Time the check was run (UTC)",
"type": [
"string",
"null"
]
},
"papers": {
"description": "List of papers",
"items": {
"properties": {
"arxiv_id": {
"description": "arXiv identifier",
"type": [
"string",
"null"
]
},
"author_count": {
"description": "Number of author",
"type": "number"
},
"authors": {
"description": "Author names",
"items": {
"type": "string"
},
"type": "array"
},
"citations": {
"type": [
"number",
"null"
]
},
"doi": {
"description": "Digital object identifier",
"type": [
"string",
"null"
]
},
"first_date": {
"description": "First date",
"type": [
"string",
"null"
]
},
"inspire_url": {
"description": "Inspire URL",
"type": [
"string",
"null"
]
},
"journal": {
"type": [
"string",
"null"
]
},
"title": {
"description": "Title",
"type": [
"string",
"null"
]
},
"year": {
"description": "Calendar year",
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"type": "array"
},
"query": {
"description": "The query as the server interpreted it",
"type": "string"
},
"sort": {
"description": "Sort order applied",
"type": "string"
},
"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",
"null"
]
}
},
"required": [
"query",
"papers"
],
"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": "2026-10-17T14:28:54.986Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-17T14:28:54.627Z"
},
"resource": "https://saylorinnovations.com/api/physics/papers",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"physics papers",
"inspire hep",
"high energy physics",
"arxiv physics",
"citation counts"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Physics paper search on INSPIRE-HEP - title, authors, citation count, arXiv id and DOI for high energy physics and astrophysics literature"
}What the leaf hashes
{"body":"97e5929bd60677332974d9b168fff5d8989c50b29821586839c9d93a700941fd","id":120493,"kind":"listing","method":"baseline/1","observed_us":1793025618145590,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/physics/papers","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).
- 0xffeabf4b4dc68fbe16faa036473044e60935460e9f5b6295854b9d9275458c06
- 0x640dc7feb1fa7c812c027ba857e3b5be4c47741ae8a4c535d83042d079cd1187
- 0x4442f3e5ae4a2c263349313095822f981086bffbb0591d1df424decca28a33ff
- 0xb839e767937cc18f50b97c22d76609e082aa8543d12bfb43fd8738990d333a2a
- 0x32ffa6e3c8f9c363aedc3e3ece4d7930792b1068480ec06c4f0f29a9302056a9
- 0x7353abd442b70621b9427ba95171ab7baacd3fbefe437d4bb7a8fe057c67f64a
- 0x15bc7cbc6112bee19e3eb506f7907c104175997bb9206ec70b1acb13ce89d470
- 0x7771cb689eda4b828dfd1a1a0dd85050c37b504175b8b829ecba1f8f6239a75b
- 0x30d89b61ad236029e9a9118345b845d924bffcf0bf31e1b1b9eaf6c2fdc129b4
- 0xd3a4547616d40f6cf22a3f69647bc5fe7630b638881a5ae1ce088b336fd0e181
- 0xbd264414f726ecec85a6b231446a7d5db56b5a61f8c3f471b7913d982daa291d
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae