← The evidence ledger
Evidence row 119668
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/downloads/npm/:ecosystem
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4c7ebcc0cbebb7504b96dc20590785f8641270e6a8d72680d5ef0c0ce38370a4
- Leaf
- 0xad05f2bd49327bd2d652356abd593fde5e2af1edd6487756bf2c2852c8e88fe1
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/downloads/npm/:ecosystem"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:downloads-trend",
"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:downloads-trend",
"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:downloads-trend",
"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:datadesk:downloads-trend",
"reference": "tSmXeXnvPasosxLd7b8f9pP929RwoLFhMSHPovK6aMa",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpkb3dubG9hZHMtdHJlbmQiLCJyZWZlcmVuY2UiOiJ0U21YZVhudlBhc29zeExkN2I4ZjlwUDkyOVJ3b0xGaE1TSFBvdks2YU1hIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1MDc2ODcxNDN9.DmztOsfSlVPdanlW3mSSB1NpmMzRQRAIO9MDAUGDfLI"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:datadesk:downloads-trend",
"reference": "BhNaAMzQ81RvxTSsSP8dxaze49ewb3ZKQff1fTNWb5U9",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpkb3dubG9hZHMtdHJlbmQiLCJyZWZlcmVuY2UiOiJCaE5hQU16UTgxUnZ4VFNzU1A4ZHhhemU0OWV3YjNaS1FmZjFmVE5XYjVVOSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTA3Njg3MTQzfQ.8uW9a5WPAwstygzrRYkuV-oOno-ipjohvlithd-pnhI"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "90223",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:downloads-trend",
"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": "93014",
"reference": "GoWaTXkSjfQMEJBgNgGjFBHQcgmMBv1uWfk7WebRc3B6",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpkb3dubG9hZHMtdHJlbmQiLCJyZWZlcmVuY2UiOiJHb1dhVFhrU2pmUU1FSkJnTmdHakZCSFFjZ21NQnYxdVdmazdXZWJSYzNCNiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MDIyMywiZXhwIjoxNzkyNTA3Njg3MTQzfQ.BlPwGK55x6D7LdbI4v3_urtR5-bJSLBkLR2_BMsraG0",
"solUsdPrice": 107.51
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Package download trend - last day, week and 30 days of downloads, daily series and week-over-week change for any npm, PyPI or crates.io package",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"ecosystem": "express"
},
"type": "http"
},
"output": {
"example": {
"daily": [
{
"date": "2026-10-05",
"downloads": 27252855
},
{
"date": "2026-10-06",
"downloads": 0
},
{
"date": "2026-10-07",
"downloads": 30256724
},
{
"date": "2026-10-08",
"downloads": 30063975
},
{
"date": "2026-10-09",
"downloads": 27360621
},
{
"date": "2026-10-10",
"downloads": 14966095
},
{
"date": "2026-10-11",
"downloads": 15087180
}
],
"daily_average_30d": 20655474,
"ecosystem": "npm",
"last_30d": 619664212,
"last_7d": 144987450,
"last_day": 15087180,
"last_week": 144987450,
"package": "express",
"peak_day": {
"date": "2026-10-07",
"downloads": 30256724
},
"prior_7d": 169483150,
"source": "npm downloads API",
"total_downloads": null,
"trend": "steady",
"week_over_week_pct": -14.5
},
"type": "json"
}
},
"routeTemplate": "/api/downloads/npm/:ecosystem",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"properties": {
"ecosystem": {
"description": "npm, pypi or crates in the path",
"type": "string"
}
},
"required": [
"ecosystem"
],
"type": "object"
},
"queryParams": {
"properties": {
"name": {
"description": "Package name in the path (scoped npm names allowed)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"pathParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"checked_at": {
"description": "Time the check was run (UTC)",
"type": [
"string",
"null"
]
},
"daily": {
"description": "Daily values",
"items": {
"properties": {
"date": {
"description": "Date (YYYY-MM-DD)",
"type": "string"
},
"downloads": {
"description": "Download count",
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"type": "array"
},
"daily_average_30d": {
"description": "Daily average 30d",
"type": [
"number",
"null"
]
},
"ecosystem": {
"description": "Package ecosystem the record belongs to",
"type": "string"
},
"last_30d": {
"description": "Last 30d",
"type": [
"number",
"null"
]
},
"last_7d": {
"description": "Last 7d",
"type": [
"number",
"null"
]
},
"last_day": {
"description": "Last day",
"type": [
"number",
"null"
]
},
"last_week": {
"description": "Last week",
"type": [
"number",
"null"
]
},
"package": {
"type": "string"
},
"peak_day": {
"description": "Day with the highest value"
},
"prior_7d": {
"description": "Prior 7d",
"type": [
"number",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": [
"string",
"null"
]
},
"total_downloads": {
"description": "Total downloads"
},
"trend": {
"description": "Direction of recent change",
"type": [
"string",
"null"
]
},
"week_over_week_pct": {
"description": "Week over week, as a percentage",
"type": [
"number",
"null"
]
}
},
"required": [
"ecosystem",
"package",
"daily"
],
"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": "2026-10-20T14:46:07.189Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-20T14:46:06.94Z"
},
"resource": "https://saylorinnovations.com/api/downloads/npm/:ecosystem",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"package downloads",
"npm downloads",
"pypi downloads",
"crates downloads",
"library popularity"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Package download trend - last day, week and 30 days of downloads, daily series and week-over-week change for any npm, PyPI or crates.io package"
}What the leaf hashes
{"body":"4c7ebcc0cbebb7504b96dc20590785f8641270e6a8d72680d5ef0c0ce38370a4","id":119668,"kind":"listing","method":"baseline/1","observed_us":1793025616327280,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/downloads/npm/:ecosystem","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).
- 0xad064f14849dc830afa0dec7416d20123b411b0215bffc5c6ac8f46b87373700
- 0x8ae5523261515ad4b1a3eeb34bf63856c9e8d0dd69a9a1ed37ae5ddc0f4e3f35
- 0x9af6986d081961fb066491341f64b78fb5ae44df5b239d0579977d124d6b1bb9
- 0x01a6402cda465bc6e30dd2e217b6af7637d1039c696892aa0d97d0dc9e476aa8
- 0xfeaa2e2abcb540aff1e324bef22eb4c15dfc1c587ab6ebeff2e587cab94434d4
- 0x71faab2c3b0b854630b49e3d79fd81a8c8ed176a4d170f98d0b78762ee64a5f8
- 0x1c02a2b741bbe5353d3601f509ae48825b406e1285981992e54d01721f087fe3
- 0x97b55e3b14dfcc3d2146faa1981d79b9b55e21e81c1e3e188fbe625f035edbca
- 0x7d003e0ec73961fa424e6d95f4fbcef6be41f6598324a2a84740eee0b3f23166
- 0x69f5e36901c930d3d90499bc3b7d9e7644e48cf4f26d1ebf8d605ee5e9424913
- 0x317c51a47b234292d19f812377ad1cc4d05ded07987c4ea1ac9ae1ad2b20f0d2
- 0x51f06c175a7c946ebe50ef243d6f9370a8fe85c996e53eff19ffcc4585ea8c18
- 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
- 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae