← The evidence ledger
Evidence row 1037808
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://numeral.openverbs.com/v1/roman
- Recorded
- Previous row
- #117523
- Body SHA-256
- e101a6bec96fe517bdd88aa2c58a8f9e95e40d3b4d84032521e136310ff3d9ea
- Leaf
- 0x9b4a11eaab47db8f2448df2e975f3f91f74da7717af9b7f0ceb7c5a55af5cc24
What was observed
{
"endpoints": [
[
"x402",
"https://numeral.openverbs.com/v1/roman"
]
],
"name": "Roman numerals",
"owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
"scheme": "exact"
}
],
"description": "Convert between integers (1–3999) and Roman numerals in either direction — a digit string is encoded to Roman, a Roman numeral is decoded to an integer. Non-canonical numerals (IIII, IC) are rejected.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"value": "MCMXCIV"
},
"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": {
"value": {
"description": "An integer 1–3999, or a Roman numeral like \"MCMXCIV\".",
"maxLength": 32,
"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"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-29T12:21:06.113Z",
"quality": {
"l30DaysTotalCalls": 50,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-29T12:21:05.862Z"
},
"resource": "https://numeral.openverbs.com/v1/roman",
"serviceName": "Roman numerals",
"tags": [
"roman numeral converter",
"convert roman numerals",
"roman to integer",
"integer to roman",
"validate roman numeral"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Convert between integers (1–3999) and Roman numerals in either direction — a digit string is encoded to Roman, a Roman numeral is decoded to an integer. Non-canonical numerals (IIII, IC) are rejected."
}What the leaf hashes
{"body":"e101a6bec96fe517bdd88aa2c58a8f9e95e40d3b4d84032521e136310ff3d9ea","id":1037808,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298244898309,"prev":117523,"subject":"x402_bazaar:https://numeral.openverbs.com/v1/roman","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
- 0x9b4a37905a141bda8b8e0eb49c54cf2bd9be46d45d961141101a14c5bae4a156
- 0x4fc46a6dbc29e19695f64540cc08ad875a0a655bc3739aff8c9f033b6f49c8ff
- 0x25a10a9e6b509de56c441ac79ec9ec07f32e4be8fca4b354f1568a287b505db3
- 0xe667f05b94921348fe930ff1c154b00fb927b1b925fe72db24cfec9b160aecd2
- 0x0a6dfe6267844845414e359298a7055ccf1cc2554ea8a7d5c81a6d93f59e2179
- 0xd1e99b160cd0e24502dfd09727120a24fb78afedea7d7be25e40045a90bef8ff
- 0x28e30c47b6153d962ba36256545ccd82026fd2032704303bc4f41696ee960d80
- 0x3159d3de7b02a43384c98e152836259e09cb795ac0e6faa2506074ce2224ae7f
- 0x227dc373a6a121f5b8de199287726a9f27bec9969f6ea48bf088ebdfe206168d
- 0x129416c24f8cbce63a8b881266a9f5dd0561c18276339bfabe651d20e0121099
- 0x6c9ad0220b899d893de94c9bea234c09e1be62d2c06c1c4315bfb6d1ead800bc
- 0xed8517f31ec0876e21a7e8fe53647529931dc6d3a5973bab25eadd47041a81d1
- 0xe4afc6a5a9cd7a2bdc01f56793e0f8960d1cce7e17e93d6537f6043b1647f074
- 0x2b11062f499f97c836e687fbba91202ea7ff254c8f8928d683df655cd117d9ec
- 0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4
- 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
- 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
- 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1