← The evidence ledger
Evidence row 120949
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://scholarpulse.theaslangroupllc.com/api/erasmus
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 865e38760ccdb538d018bbcc540913b32c3d43672d9aa039e5205481c945e211
- Leaf
- 0xb227a92cf18004c9374419a9f5e2fd466a416c9d8c5d9faa971488ed5820d66c
What was observed
{
"endpoints": [
[
"x402",
"https://scholarpulse.theaslangroupllc.com/api/erasmus"
]
],
"name": "ScholarPulse",
"owner_address": "0x50ab2018c06c6e4eaa9ba52057eb55ed284912fc",
"raw": {
"accepts": [
{
"amount": "80000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "985iFjbnGQ3dJcwXnfRCMSrH4Jnc3kW1N6msR64B5KX1",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "0x79A02482A880bCe3F13E09da970dC34dB4cD24D1",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:480",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:143",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
"extra": {
"name": "USD₮0",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:196",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "0xb88339CB7199b77E23DB6E890353E22632Ba630f",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:999",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
"payTo": "62A253YPATFNJCPRKID3FKD77MYJFNTVRYRP4B4JWG36EGLPY7UXFWGI7I",
"scheme": "exact"
},
{
"amount": "80000",
"asset": "XRP",
"extra": {
"invoiceId": "55746FA97801402DA02B91E44601525C",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
"scheme": "exact"
},
{
"amount": "0.08",
"asset": "524C555344000000000000000000000000000000",
"extra": {
"invoiceId": "2138BC52206C46AD9A9E228CF8600BCA",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
"scheme": "exact"
},
{
"amount": "80000000000000000",
"asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d",
"extra": {
"assetTransferMethod": "eip3009",
"name": "World Liberty Financial USD",
"signerAddress": "0x34F7a661160780Ce1346e6D7B96D2bE244590899",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"scheme": "exact"
}
],
"description": "Erasmus+ guide for student and study-abroad agents. Returns EU student mobility grants, amounts by country group, the application process, and Erasmus Mundus full scholarships.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"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": {
"grant": {
"country_group": "Group A (highest)",
"duration": "5 months",
"monthly_amount_eur": "800-1,000 EUR/month",
"total_grant": "4,000-5,000 EUR"
},
"program_fit": {
"action": "KA131 (EU student exchange)",
"eligible": true
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"duration": {
"description": "6 (months, optional)",
"type": "string"
},
"field": {
"description": "engineering | business | medicine | arts",
"type": "string"
},
"from": {
"description": "Spain | Germany | Italy | France | Poland | any EU/EEA country",
"type": "string"
},
"level": {
"description": "undergraduate | masters | phd",
"type": "string"
},
"to": {
"description": "Germany | Netherlands | Sweden | Ireland | any EU/EEA country",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"errors": {
"additionalProperties": {
"properties": {
"description": {
"type": "string"
},
"example": {
"type": "object"
}
},
"required": [
"description"
],
"type": "object"
},
"description": "Documented error responses, keyed by HTTP status code",
"type": "object"
},
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_gxy6qn5p"
},
"schema": {
"$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": "2026-10-16T02:45:39.813Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-16T02:45:39.657Z"
},
"resource": "https://scholarpulse.theaslangroupllc.com/api/erasmus",
"serviceName": "ScholarPulse",
"tags": [
"erasmus",
"eu-mobility",
"erasmus-mundus",
"student-exchange",
"student-agent"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Erasmus+ guide for student and study-abroad agents. Returns EU student mobility grants, amounts by country group, the application process, and Erasmus Mundus full scholarships."
}What the leaf hashes
{"body":"865e38760ccdb538d018bbcc540913b32c3d43672d9aa039e5205481c945e211","id":120949,"kind":"listing","method":"baseline/1","observed_us":1793025619046640,"prev":null,"subject":"x402_bazaar:https://scholarpulse.theaslangroupllc.com/api/erasmus","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).
- 0xb2275d2dea69ecb71a30174db864c517e7821486eb5a491c4a3b3f3b2f2e0211
- 0x185a0b16339a7e11da05e8cd8ee9f272c1b8b9e4a47991ed2f6e6b0de19088e3
- 0xced8a87fafd3777abc4166f1e94f6374672a3c0b3ae3a5fe62248d67f175a2dc
- 0xa08ffcf88833dfe7eefd1e19408fa98917b4cc8c90794154a3822f678fba1fc3
- 0x9a24f24c4f680356afe80fa5ff4336bca15b872d95f0221458b33541aef4daf3
- 0x1f8e9cc2800f1a8498be097a4a9d31cfea609002c91882942c9b8de328c2825b
- 0xb55a97aad502aa16b503d2cc03ed73080312f92d8d84cd7d753d23fd185cea16
- 0x3c1b2957a9ad81996f8791fd3a623047df86aa6412f43e42db7f17644caf6620
- 0xbb48c7f54a52441a7938687b3d49edf7056fa8a3386661ae7eca7e2c48ad9b20
- 0xd373f611cc8d60491990c0729396ae5185b763a50d0fff3be7937919e843df36
- 0xb673e7e79847b2398685ec91a7c3b2395fccef249a8f8983b5eecc97a794a3ec
- 0xce1aeb889b974291cea1fbfd01595655bd2c1b3636dc5b56eeb8904adb9f6c65
- 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
- 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae