← The evidence ledger
Evidence row 120698
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/text/summary
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 96f662bfe7ecba60a4cbe4e1acca69705722d445365b7e97e0952b29b984841c
- Leaf
- 0xdf5c144f6b9390ee1e3b5defb1686d36e15a4b33f54eecfa9f54ea48882c92d4
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/text/summary"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:text-extractive-",
"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:text-extractive-",
"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:text-extractive-",
"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:text-extractive-",
"reference": "CAtqKKoKUKDkzWH4Wp3qaAP39Q1kT6gsRYYv4pHtTmM6",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp0ZXh0LWV4dHJhY3RpdmUtc3VtbWFyeSIsInJlZmVyZW5jZSI6IkNBdHFLS29LVUtEa3pXSDRXcDNxYUFQMzlRMWtUNmdzUllZdjRwSHRUbU02IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzOTIxODM3NTR9.FZ1fu-o25Zys8qKx6RXT4k7qWLxbNtCiJoDAo0vfwrg"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
"memo": "saylor:datadesk:text-extractive-",
"reference": "EjR35eRV41cHP7t41QipsfWTkXdrxgYx1HwoA5mBDsiB",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp0ZXh0LWV4dHJhY3RpdmUtc3VtbWFyeSIsInJlZmVyZW5jZSI6IkVqUjM1ZVJWNDFjSFA3dDQxUWlwc2ZXVGtYZHJ4Z1l4MUh3b0E1bUJEc2lCIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzOTIxODM3NTR9.Fz32PajHwlRYUeCA7ry97LQ2r86LFAM0lJGzaZs4eUc"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "91707",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:text-extractive-",
"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": "94544",
"reference": "BPQWoyrVZy51pn9d8agcthCEKfU4XTjBX9iqNRXtp97p",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp0ZXh0LWV4dHJhY3RpdmUtc3VtbWFyeSIsInJlZmVyZW5jZSI6IkJQUVdveXJWWnk1MXBuOWQ4YWdjdGhDRUtmVTRYVGpCWDlpcU5SWHRwOTdwIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkxNzA3LCJleHAiOjE3OTIzOTIxODM3NTR9.FDr9Ahan4PBuRrwDso9difC2AgLI7YW16sFMTt0Lk6s",
"solUsdPrice": 105.77
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Extractive summary of a text - the most representative sentences by word frequency in original order, with scores, compression ratio and top terms",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"sentences": "2",
"text": "Solar power is growing quickly across the world. Falling panel prices have made solar the cheapest source of new electricity in most countries. Grid operators now need storage to balance solar output during the evening peak. Battery costs have also fallen, which helps solar power become dispatchable. Meanwhile some regions still rely heavily on coal for baseload generation. Policy support remains important for solar deployment and grid upgrades."
},
"type": "http"
},
"output": {
"example": {
"compression_ratio": 0.29,
"key_sentences": [
{
"position": 1,
"score": 1.123,
"sentence": "Solar power is growing quickly across the world."
},
{
"position": 3,
"score": 0.949,
"sentence": "Grid operators now need storage to balance solar output during the evening peak."
}
],
"note": "Extractive summary: it selects the most representative sentences by word frequency (no rewriting, no language model), so it is fast and faithful but not fluent.",
"sentences_in_text": 6,
"sentences_selected": 2,
"source": "frequency-based extraction",
"summary": "Solar power is growing quickly across the world. Grid operators now need storage to balance solar output during the evening peak.",
"top_terms": [
{
"count": 5,
"word": "solar"
},
{
"count": 2,
"word": "power"
},
{
"count": 2,
"word": "grid"
},
{
"count": 1,
"word": "growing"
},
{
"count": 1,
"word": "quickly"
},
{
"count": 1,
"word": "across"
},
{
"count": 1,
"word": "world"
},
{
"count": 1,
"word": "falling"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"sentences": {
"description": "optional 1-10, default 3",
"type": "string"
},
"text": {
"description": "Text to summarise, 200-5000 characters",
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"compression_ratio": {
"description": "Compression ratio",
"type": "number"
},
"key_sentences": {
"description": "Key sentences",
"items": {
"properties": {
"position": {
"description": "Position of the sentence in the original text",
"type": [
"number",
"null"
]
},
"score": {
"description": "Score from 0 (worst) to 100 (best)"
},
"sentence": {
"description": "The selected sentence",
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"type": "array"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"sentences_in_text": {
"description": "Sentences in text",
"type": "number"
},
"sentences_selected": {
"description": "Sentences selected",
"type": "number"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"summary": {
"description": "Short summary",
"type": "string"
},
"top_terms": {
"description": "Top terms",
"type": "array"
}
},
"required": [
"summary",
"key_sentences"
],
"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": "2026-10-19T06:41:03.806Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T06:41:03.406Z"
},
"resource": "https://saylorinnovations.com/api/text/summary",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"summarize a paragraph",
"extractive summary of an article",
"key sentences from text",
"tl;dr generator without ai",
"top terms in a document"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Extractive summary of a text - the most representative sentences by word frequency in original order, with scores, compression ratio and top terms"
}What the leaf hashes
{"body":"96f662bfe7ecba60a4cbe4e1acca69705722d445365b7e97e0952b29b984841c","id":120698,"kind":"listing","method":"baseline/1","observed_us":1793025618487728,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/text/summary","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).
- 0xdf5c3e8519b399f6dda6f3993c805cc0ffa0542aa34099389b90d712d250dc6e
- 0x542624229db8f6c07a0d87cb980e801851ddb30deabecbbbddce33fdd141f3fe
- 0xc1e0fec8456b6bbc66ae0d6ef775c19bfc8317e90630096a9700557d1627b9fe
- 0xfd229b286d8f80c8e2c9129565ff7561300153c10d9ad52a755043e57a6a1ca7
- 0x85b69b66e17dfe021666b9e7909aa6d9100422735ca29a4aea6922744eff0ffe
- 0xfa3d938f90b9ac1c61308bd7a27af2d62e22230069f3e40db26b86d979682292
- 0x199d318ac1c033b1eb1d2e2d235d30ea2b103eb135f311c1e0522ce9b386f477
- 0x3dec0b56ead92fa4fbdb0b9bee7d8527c84d1890037ee6757788308ea1d8c5ae
- 0x9cf6202d33cb2457951c93479f7b30cdc516160fc113e5afcdb06c832e12a535
- 0x31ae1db8a7234b94d9fe5367527c887819eae31f8682d2506d2e71c84c07ccd6
- 0x81e0a64a684968fee123ac8017e882fda3952628b73684e4b974157cf7552f06
- 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
- 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae