← The evidence ledger
Evidence row 120947
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://scholarpulse.theaslangroupllc.com/api/aid
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 44107ff4f6e835d39d1f8c03da05ad4a0b1c5e2f949cd978b8171c1b2785bad9
- Leaf
- 0x1be4bf229c90317d3a7188d8134ed0abc6c0fb4ba79699917c79d155bf637bd7
What was observed
{
"endpoints": [
[
"x402",
"https://scholarpulse.theaslangroupllc.com/api/aid"
]
],
"name": "ScholarPulse",
"owner_address": "0x50ab2018c06c6e4eaa9ba52057eb55ed284912fc",
"raw": {
"accepts": [
{
"amount": "120000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "985iFjbnGQ3dJcwXnfRCMSrH4Jnc3kW1N6msR64B5KX1",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "0x79A02482A880bCe3F13E09da970dC34dB4cD24D1",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:480",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:143",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
"extra": {
"name": "USD₮0",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:196",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "0xb88339CB7199b77E23DB6E890353E22632Ba630f",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:999",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
"payTo": "62A253YPATFNJCPRKID3FKD77MYJFNTVRYRP4B4JWG36EGLPY7UXFWGI7I",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "XRP",
"extra": {
"invoiceId": "25A1D90EB1D6477E86B17FA228E8D6AC",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
"scheme": "exact"
},
{
"amount": "0.12",
"asset": "524C555344000000000000000000000000000000",
"extra": {
"invoiceId": "BD42F3FE6CF04FDA8FDEF5CF23BA300E",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
"scheme": "exact"
},
{
"amount": "120000000000000000",
"asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d",
"extra": {
"assetTransferMethod": "eip3009",
"name": "World Liberty Financial USD",
"signerAddress": "0x34F7a661160780Ce1346e6D7B96D2bE244590899",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
}
],
"description": "Financial aid estimate for student and financial-aid agents. Returns expected aid package by income bracket via College Scorecard, net cost, Pell eligibility, and institutional generosity.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"assets": "50000",
"family_size": "4"
},
"type": "http"
},
"output": {
"errors": {
"400": {
"description": "Invalid or missing parameter(s). Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints.",
"example": {
"error": "invalid request"
}
},
"402": {
"description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."
},
"500": {
"description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit.",
"example": {
"error": "upstream_failed"
}
}
},
"example": {
"college": "University of Michigan",
"four_year_estimate": "$74,000",
"net_price_estimate": {
"confidence": "high (College Scorecard data)",
"estimated_for_this_household": 18500
},
"pell_grant": {
"estimated_amount": "$0-500",
"likely_eligible": false
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"assets": {
"description": "optional",
"type": "string"
},
"college": {
"description": "University of Michigan | Harvard | UT Austin | any US college name",
"type": "string"
},
"dependency_status": {
"description": "dependent | independent (optional)",
"type": "string"
},
"family_size": {
"type": "string"
},
"income": {
"description": "75000 (household income)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"errors": {
"additionalProperties": {
"properties": {
"description": {
"type": "string"
},
"example": {
"type": "object"
}
},
"required": [
"description"
],
"type": "object"
},
"description": "Documented error responses, keyed by HTTP status code",
"type": "object"
},
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_gxy6qn5p"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"lastUpdated": "2026-10-16T02:45:40.043Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-16T02:45:39.917Z"
},
"resource": "https://scholarpulse.theaslangroupllc.com/api/aid",
"serviceName": "ScholarPulse",
"tags": [
"financial-aid",
"net-price",
"pell-eligibility",
"college-costs",
"student-agent"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Financial aid estimate for student and financial-aid agents. Returns expected aid package by income bracket via College Scorecard, net cost, Pell eligibility, and institutional generosity."
}What the leaf hashes
{"body":"44107ff4f6e835d39d1f8c03da05ad4a0b1c5e2f949cd978b8171c1b2785bad9","id":120947,"kind":"listing","method":"baseline/1","observed_us":1793025619043768,"prev":null,"subject":"x402_bazaar:https://scholarpulse.theaslangroupllc.com/api/aid","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).
- 0x1be49bc42d25789af179709aa8228ef9faf034034359a15a72e135fc1a399f92
- 0x90166f2af5fd044c964ffe4e85b4ac6a59b085b8f90a66c2a3299ee177e4f64d
- 0x0beb58d4f27539e3ce4f10e696b3fcaa71932cf73b6f7bd8effd33e49c29afdf
- 0xcd5ed3b1e81668379edeb42d6f306fa630481ef0da22fbdfb17e39c4ead49659
- 0x395bd53cdbd7b8a94705093ce082720d524bd8cde40fadcdf6349f39b7c16276
- 0x100de9e8f949fc5e9970bdc3fe545102877576e87c7a7c28adee8b0a8c218b1c
- 0x576c47a3fd8eb8bf34c2a5796ff73fe378e007c30702342ba9e2264b42028ef9
- 0x5ffc213d49dd37b5bfa3c2488058ee90af3374ffe1538520f07f68e3f1909364
- 0xcc8eb2f995e37e2b0b07d6f7c4aee6041a48da91fbdfa81c691cc6cc3ebbce6e
- 0x528fb8f6040dcfed2bbfa9e000908bba2b82549e1878573b9eceb17ac4ed4dc7
- 0xa71cc4f892400c8dd1d9d33faa6b7466eba77734b3716286b78aa51d46ff4255
- 0x7ab2e7902b312a74cfdbc32b2906ced29b1fb9dc4280b5378e8eb181ad88686e
- 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
- 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae