← The evidence ledger
Evidence row 75793
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://geometry.openverbs.com/v1/circle
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e982334d9c3f41bc1bf3f71cdcdd4a6a771633903bdd47c0a15e59ab3f8e7e6f
- Leaf
- 0xf21f7ce48af21acfebe4526f164dc37a26c3e40e0a63634ec9ad7e232a07a8d6
What was observed
{
"endpoints": [
[
"x402",
"https://geometry.openverbs.com/v1/circle"
]
],
"name": "Circle",
"owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
"scheme": "exact"
}
],
"description": "Diameter, circumference and area of a circle from its radius.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"radius": 1
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"radius": {
"description": "Circle radius.",
"exclusiveMinimum": 0,
"type": "number"
}
},
"required": [
"radius"
],
"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"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-02T12:11:32.284Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-02T12:11:31.993Z"
},
"resource": "https://geometry.openverbs.com/v1/circle",
"serviceName": "Circle",
"tags": [
"circle area calculator",
"calculate circumference",
"radius to diameter",
"circle geometry api",
"area of circle"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Diameter, circumference and area of a circle from its radius."
}What the leaf hashes
{"body":"e982334d9c3f41bc1bf3f71cdcdd4a6a771633903bdd47c0a15e59ab3f8e7e6f","id":75793,"kind":"listing","method":"baseline/1","observed_us":1793025491098076,"prev":null,"subject":"x402_bazaar:https://geometry.openverbs.com/v1/circle","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).
- 0xf21fe2748da1694974afc2a8d019279d211d905b05b800eb2ff5bddc1eb3ac34
- 0x171be4e0bc01e46e66ae9ab98544e8aa0c8bc4a6dd04480da502f4666534bfce
- 0xf389f38f3c1d0e9adf55e27155a214a8ff86e286f24ee01544c7c50d9dec78b0
- 0xc7a6432bc55e160274dc926ea249173f96b564233d984ad5ebee52b81d0864cf
- 0x1293ed231fd030677dad4aae2a25667037cfab7c3cc6d6884ad017244fc662df
- 0xbe0344b971d40b57903392d0ff59f048c320581c5ede222ed8c39ece46e507a9
- 0x331fa241a45ea969c829f532c70fcb5be221ee7e964b53ef39687bb144e121f5
- 0xa9409fef67386bc0ea1da855cfb630d8d598822d54fe2eb061902d5f15606ae2
- 0x0052ce2aa6fcf54320e32e4f743c08fb16b8bad37220992838632ce66d439755
- 0xf1b1e345d12761d4f958513709ac603bce3fca8b3fc610e50e697cf7c680564e
- 0x3fbb508bb3373d829808c4b964e49bf52f1a8877acba747d2b92b5eac81e6259
- 0x4d2e94451b5ffc570a23dee9d1525bc305f1009994ffe23d8e2e7d45c60f6209
- 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
- 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae