← The evidence ledger
Evidence row 2201978
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://dev-reference.x402tookit.com/unicode-char
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 757d74b885fcda6827c8a80a28a68506e2d6671cef5e301f9cc24997b993f95f
- Leaf
- 0x654fd190ac7c5ce6ba2330c7253c4bdbe377deb8b626f6bd17a784001ba1c30d
What was observed
{
"endpoints": [
[
"x402",
"https://dev-reference.x402tookit.com/unicode-char"
]
],
"name": "Dev Reference",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Unicode character lookup by code point or character: name, block, category, UTF-8/UTF-16 bytes and HTML/JS/CSS escapes.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"cp": "U+1F600"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:26:47.168Z",
"block": "Emoticons",
"character": "😀",
"codePoint": "U+1F600",
"cssEscape": "\\1F600 ",
"decimal": 128512,
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"generalCategory": "So",
"generalCategoryName": "Other Symbol",
"htmlDecimal": "😀",
"htmlHex": "😀",
"javascriptEscape": "\\u{1F600}",
"javascriptSurrogatePair": "\\uD83D\\uDE00",
"name": "GRINNING FACE",
"nameCoverage": "about 59 common blocks plus algorithmic Hangul and CJK names",
"nameSource": "UnicodeData.txt",
"noncharacter": false,
"notChecked": [
"names are embedded for about 59 common blocks only (others return name null, with block and category still given)",
"bare digits are read as DECIMAL; use U+ or 0x for hexadecimal",
"…3 more"
],
"plane": 1,
"planeName": "Supplementary Multilingual Plane",
"reasons": [
"Name source: UnicodeData.txt."
],
"scalarValue": true,
"source": "Unicode Character Database 18.0.0 (UnicodeData.txt and Blocks.txt, retrieved 2026-10-11), embedded tables",
"summary": "U+1F600 GRINNING FACE: other symbol in Emoticons, UTF-8 F0 9F 98 80.",
"unicodeVersion": "18.0.0",
"urlEncoded": "%F0%9F%98%80",
"utf16": "D83D DE00",
"utf16Units": 2,
"utf32": "0001F600",
"utf8": "F0 9F 98 80",
"utf8ByteCount": 4,
"valid": true,
"verdict": "FOUND"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"cp": {
"description": "U+1F600, 0x1F600, a decimal number like 128512, or the character itself",
"type": "string"
}
},
"required": [
"cp"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"block": {
"type": [
"null",
"string"
]
},
"character": {
"type": [
"null",
"string"
]
},
"codePoint": {
"type": [
"null",
"string"
]
},
"cssEscape": {
"type": [
"null",
"string"
]
},
"decimal": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"generalCategory": {
"type": [
"null",
"string"
]
},
"generalCategoryName": {
"type": [
"null",
"string"
]
},
"htmlDecimal": {
"type": [
"null",
"string"
]
},
"htmlHex": {
"type": [
"null",
"string"
]
},
"javascriptEscape": {
"type": [
"null",
"string"
]
},
"javascriptSurrogatePair": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
},
"nameCoverage": {
"type": [
"null",
"string"
]
},
"nameSource": {
"type": [
"null",
"string"
]
},
"noncharacter": {
"type": [
"boolean",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"plane": {
"type": [
"null",
"number"
]
},
"planeName": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"scalarValue": {
"type": [
"boolean",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"unicodeVersion": {
"type": [
"null",
"string"
]
},
"urlEncoded": {
"type": [
"null",
"string"
]
},
"utf16": {
"type": [
"null",
"string"
]
},
"utf16Units": {
"type": [
"null",
"number"
]
},
"utf32": {
"type": [
"null",
"string"
]
},
"utf8": {
"type": [
"null",
"string"
]
},
"utf8ByteCount": {
"type": [
"null",
"number"
]
},
"valid": {
"type": [
"boolean",
"null"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:49:18.254Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:49:18.097Z"
},
"resource": "https://dev-reference.x402tookit.com/unicode-char",
"serviceName": "Dev Reference",
"tags": [
"unicode",
"characters",
"encoding",
"reference"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Unicode character lookup by code point or character: name, block, category, UTF-8/UTF-16 bytes and HTML/JS/CSS escapes."
}What the leaf hashes
{"body":"757d74b885fcda6827c8a80a28a68506e2d6671cef5e301f9cc24997b993f95f","id":2201978,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811105659,"prev":null,"subject":"x402_bazaar:https://dev-reference.x402tookit.com/unicode-char","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x654fcaf9a5c82f8b6f9e9949b4d6fb71a29c3a84436a08e855e8561a0de703e4
- 0x884fc622685d9d6912f8d04b446c1c95a7aa85b8b78e2b1403c6f40703048b41
- 0x088a7631ab20b33793d2a683ecc2e5c6d59cc061f37d422df342b92f240500be
- 0x10e41faa96c1afa8b8fe45da82fe5dae7a1813a3db7dfd12e9b5160b663bbfb3
- 0x7ab7c9b8b21ea0f9ac76ce62455f8f273365c06f40520069eb0db672e6c9689b
- 0xda92e2fedc2a3ba0614300fe4e82e713a88fcfc78625dddec3a1d37d5f20a1e5
- 0xdcb3b79c4a8851b408e5edc0080fe94c0922eefa8c211a591242a13e1388fecc
- 0x8510f985497f1feeb5eb1ecd2a53d279a10deef1bad0180aba34a034ecc2289a
- 0xe396342eb8ddf0b86bcb1364135329b721f9945b2f28173034fb2b3f0f4f5418
- 0x40268d97035bc33c74144fbe6311956dda66179d570909f149d3fd6efc151418
- 0x537130f563bf92654495b68976e1bf73af9e040b9cd4cf776e0b0c014f484d70
- 0xc896eaae3056ce1ba9baca9b17e29ba832a897624bdd998bac108458e38c2648
- 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
- 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
- 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af