← The evidence ledger
Evidence row 2252463
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://buero.halowerk.com/v1/terms-diff
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 646f7cd511b2d41d5a06d0316dbc1a7e3156a3f246ef522c4630cf22d14ed71f
- Leaf
- 0x8799e66d13d651eaeb47464fa92867261e4c2a5cd25b46d03ec72cb21390447a
What was observed
{
"endpoints": [
[
"x402",
"https://buero.halowerk.com/v1/terms-diff"
]
],
"name": "buero.halowerk.com/v1/terms-diff",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Takes two contract versions as text, public URLs or inline base64 — PDF, DOCX, ODT, HTML and Markdown are read — and reports what is different. Which passages changed is decided by a Myers shortest-edit-script over the paragraphs, not by a model: the deterministic comparison is the source of truth, and only afterwards is a model asked what changed in substance at those specific places. That order is the point.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"a": {
"text": "§ 2 Laufzeit\nDer Vertrag laeuft zwoelf Monate.\n\n§ 5 Haftung\nDie Haftung ist auf den Auftragswert begrenzt."
},
"b": {
"text": "§ 2 Laufzeit\nDer Vertrag laeuft vierundzwanzig Monate.\n\n§ 5 Haftung\nDie Haftung ist auf den Auftragswert begrenzt.\n\n§ 8 Gerichtsstand\nGerichtsstand ist Berlin."
}
},
"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": {
"a": {
"additionalProperties": false,
"description": "The earlier version. Exactly one of text, url or content_base64.",
"properties": {
"content_base64": {
"description": "The file inline, base64.",
"maxLength": 4000000,
"type": "string"
},
"filename": {
"description": "Only consulted when the bytes carry no recognisable signature.",
"maxLength": 260,
"type": "string"
},
"format": {
"default": "auto",
"description": "Override the detected format. \"auto\" reads it from the bytes.",
"enum": [
"auto",
"pdf",
"docx",
"odt",
"html",
"markdown",
"rtf",
"text"
],
"type": "string"
},
"text": {
"description": "The text directly. Cheapest and clearest — its length is billed as counted here.",
"maxLength": 200000,
"type": "string"
},
"url": {
"description": "Public http(s) URL of a PDF, DOCX, ODT, HTML or text file. Private and local addresses are refused.",
"maxLength": 2048,
"type": "string"
}
},
"type": "object"
},
"b": {
"additionalProperties": false,
"description": "The later version. Same shape as a.",
"properties": {
"content_base64": {
"description": "The file inline, base64.",
"maxLength": 4000000,
"type": "string"
},
"filename": {
"description": "Only consulted when the bytes carry no recognisable signature.",
"maxLength": 260,
"type": "string"
},
"format": {
"default": "auto",
"description": "Override the detected format. \"auto\" reads it from the bytes.",
"enum": [
"auto",
"pdf",
"docx",
"odt",
"html",
"markdown",
"rtf",
"text"
],
"type": "string"
},
"text": {
"description": "The text directly. Cheapest and clearest — its length is billed as counted here.",
"maxLength": 200000,
"type": "string"
},
"url": {
"description": "Public http(s) URL of a PDF, DOCX, ODT, HTML or text file. Private and local addresses are refused.",
"maxLength": 2048,
"type": "string"
}
},
"type": "object"
},
"document_chars": {
"description": "Only needed when a version arrives by url or content_base64: the combined length of both versions in characters, which is what you are billed for. Longer text is refused with the real length and nothing is charged.",
"maximum": 24000,
"minimum": 1,
"type": "integer"
},
"ignore_whitespace": {
"default": true,
"description": "Treat runs of spaces and tabs as one space before comparing.",
"type": "boolean"
},
"include_unchanged_count": {
"default": true,
"description": "Report how many paragraphs stayed identical.",
"type": "boolean"
},
"max_changes_described": {
"default": 25,
"description": "How many changed passages the model describes. Beyond this the passages still come back with their before and after text, only without a description — what is dropped is counted, never silently cut.",
"maximum": 60,
"minimum": 1,
"type": "integer"
}
},
"required": [
"a",
"b"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T15:22:28.676Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T15:22:28.167Z"
},
"resource": "https://buero.halowerk.com/v1/terms-diff",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Takes two contract versions as text, public URLs or inline base64 — PDF, DOCX, ODT, HTML and Markdown are read — and reports what is different. Which passages changed is decided by a Myers shortest-edit-script over the paragraphs, not by a model: the deterministic comparison is the source of truth, and only afterwards is a model asked what changed in substance at those specific places. That order is the point."
}What the leaf hashes
{"body":"646f7cd511b2d41d5a06d0316dbc1a7e3156a3f246ef522c4630cf22d14ed71f","id":2252463,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647838275779,"prev":null,"subject":"x402_bazaar:https://buero.halowerk.com/v1/terms-diff","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).
- 0x879867af52668423a6adfe181b5f3b3980299d5111dd9766ca66ab1fbe38d2d4
- 0x58c2d8178bc26ddaca07a496b4d2bfb3b3a3f258bc8f321ee76bba621b455c0e
- 0x4b845c6b0cb0457a3ac5e0d7d73caeb2343ef0055d9b37b29cd2a018bd2d897e
- 0x9bb60ad4af9ff3488745b72f65c9cb57b65efd7a73922877dae01982d6a53558
- 0x4d3d16a8252541a154de32b25b860cd94eb2bf9bd6579a5e033597f8951fde41
- 0x55a8f55585092de886dc64e2fb180c5e84c659bb949d2b773c5088b13b241075
- 0x074b2b344fa5a894a3039817c5644b51aae63626e8d5065b753ccd029cc30187
- 0xde98da9c5ef7f441a61566073085fbb5fbf2e0c742ccd8fc6ce198817071d3f2
- 0x2bba19ea6608304dc9d29996f7ccdaefc72fcc6fe79beae887d0fea9154bc75f
- 0xd7f5926986135414427617db9f0ecde65acd0f1aca96bb87e68421a08e7b54b4
- 0x48a7d8a73ff3af602180450d457064aad27e3295ef431b56a3513d559fcaebb0
- 0xb29458b26be0efcbcc070d6949659b739465d717f9b08a7e55e19441848f2850
- 0x650762fd3ea664db9c82e9fa57a70645b039ff3d3dda93972e6da6c3b1355d26
- 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
- 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af