← The evidence ledger
Evidence row 792053
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentshelf.syntexa.ch/v1/id-uuid-nil
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9a77e2b91c388d56c9ece853dceea37d8f8ad1e2ae23c94e45042ac00d4abbc2
- Leaf
- 0xce05ab0b07deff6135354103670bf3674447b57f1e8d3077b2c7ad96956e5978
What was observed
{
"endpoints": [
[
"x402",
"https://agentshelf.syntexa.ch/v1/id-uuid-nil"
]
],
"name": "agentshelf.syntexa.ch/v1/id-uuid-nil",
"owner_address": "0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38",
"raw": {
"accepts": [
{
"amount": "9000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
"scheme": "exact"
}
],
"description": "Call when an agent needs whether a string is a valid uuid-nil. No network. Send JSON {\"value\":\"00000000-0000-0000-0000-000000000000\"}. Exact $0.009 USDC on Base. Try unpaid POST /v1/sandbox/id-uuid-nil first.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"value": "00000000-0000-0000-0000-000000000000"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"billed": true,
"errors": [],
"kind": "uuid-nil",
"normalized": "00000000-0000-0000-0000-000000000000",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"valid": true,
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"value": "00000000-0000-0000-0000-000000000000"
}
],
"properties": {
"data": {
"description": "JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."
},
"schema": {
"description": "JSON Schema document for schema-check SKUs. Omit it on string checks."
},
"value": {
"description": "Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar.",
"examples": [
"00000000-0000-0000-0000-000000000000"
],
"maxLength": 20000,
"minLength": 1,
"type": "string"
}
},
"required": [
"value"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"examples": [
{
"billed": true,
"errors": [],
"kind": "uuid-nil",
"normalized": "00000000-0000-0000-0000-000000000000",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"valid": true,
"warnings": []
}
],
"properties": {
"billed": {
"examples": [
true
],
"type": "boolean"
},
"errors": {
"examples": [
[]
],
"items": {
"type": "string"
},
"type": "array"
},
"kind": {
"examples": [
"uuid-nil"
],
"type": "string"
},
"normalized": {
"examples": [
"00000000-0000-0000-0000-000000000000"
],
"type": [
"string",
"null"
]
},
"ok": {
"const": true,
"examples": [
true
],
"type": "boolean"
},
"receipt_id": {
"examples": [
"rcpt_01EXAMPLE000000000000000"
],
"type": "string"
},
"valid": {
"examples": [
true
],
"type": "boolean"
},
"warnings": {
"default": [],
"examples": [
[]
],
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"ok",
"receipt_id",
"billed",
"kind",
"valid",
"normalized",
"errors"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-28T16:30:48.286Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-28T16:30:47.965Z"
},
"resource": "https://agentshelf.syntexa.ch/v1/id-uuid-nil",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Call when an agent needs whether a string is a valid uuid-nil. No network. Send JSON {\"value\":\"00000000-0000-0000-0000-000000000000\"}. Exact $0.009 USDC on Base. Try unpaid POST /v1/sandbox/id-uuid-nil first."
}What the leaf hashes
{"body":"9a77e2b91c388d56c9ece853dceea37d8f8ad1e2ae23c94e45042ac00d4abbc2","id":792053,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211798901247,"prev":null,"subject":"x402_bazaar:https://agentshelf.syntexa.ch/v1/id-uuid-nil","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0xce05da6377731599404a47e427737cac399137a0aec3220a95665a0cefd9a908
- 0x1938c6249533c85016ce97f701f5a27c6e2b7430a85d8d8bc4fa7d77deb8cb88
- 0x86d21586958e7c83c852edec2e63c137bbd68de9de0f271d628baa57097cc513
- 0x3c2fe74247626312e78f546bd215a0d6e3d0f630b3282d7308ddb53c5357c91c
- 0xc6cad3ba8188b47197636bb690e31f67afaaac1fed72e36184f1858b829a7408
- 0x7452722c90530d97cb26a522e41fee08b76e672f8d3c145c483263441f2d6c2c
- 0x999c45a2ed39ca297b7cf8760df4bd6a1026994146d95296d2b13c1d229cba95
- 0x6f604db6e7457a47bbb297a0e59941c18ab5ba2263ca41b0b5c76b382b9b85d6
- 0x9dffeb8e6c43482baa29497721f15463360158d67e98698cb13a1451e9ba0579
- 0x00717d5996c16ce01080d131f08ca7d6dc397a7fcd607bc8d3367b66cb30c129
- 0x373df6a0304ec45da47c72a904085a60fc456ed3658a9e3edb1f320e8f515a4b
- 0x3b49299014b87a4cecefafedfd3fa2ec8310a3d966415e86865ecc3d638f4136
- 0x8be89031d5b6b0cced45d04ae5aae5212368da858631eb4f1052b83b7362a427
- 0x8e49280a62bd5d52127f332ab6aea9d7c57381f541e0178094a62272a9d2e741
- 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
- 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
- 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
- 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae