← The evidence ledger
Evidence row 19889
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/email/verify
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4719294bd9e88cda258f73f92aeb3ab59301a462e9c8f488243bcda4951e2e7f
- Leaf
- 0xc43da064593cf06f424cca296342e96c3a9c1869e7b95a17fe681fa6f9c54d5c
What was observed
{
"endpoints": [
[
"x402",
"https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/email/verify"
]
],
"name": "Forest Web",
"owner_address": "0xb48d918151311f982d542ef5c84cc1cd54cff7a9",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xb48D918151311F982d542eF5C84cc1cd54CFf7a9",
"scheme": "exact"
}
],
"description": "Verify email syntax and public DNS readiness with a bounded deterministic preflight. Forest checks normalized syntax, MX/address records including explicit null MX, and curated role/free/disposable-domain signals, then returns a conservative safe-to-attempt decision. It never connects to SMTP, sends mail, authenticates, stores customer mailboxes or claims that a mailbox exists. Base mainnet USDC",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"email": "support@example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"capability": "email.verify",
"data": {
"blockers": [],
"disposable_domain": false,
"dns_resolves": false,
"domain": "example",
"free_provider": false,
"mx_hosts": [],
"mx_present": false,
"normalized_email": "example",
"null_mx": false,
"provider_request_count": 0,
"role_address": false,
"safe_to_attempt": false,
"scope": "syntax_and_public_dns_only_no_smtp",
"syntax_valid": false,
"warnings": []
},
"meta": {
"cache": "miss",
"checked_at": "2026-01-01T00:00:00.000Z",
"duration_ms": 0,
"provider": "syntax"
},
"ok": true,
"version": "1"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"email": {
"description": "Public email value used to scope this lookup.",
"maxLength": 320,
"type": "string"
}
},
"required": [
"email"
],
"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,
"properties": {
"capability": {
"const": "email.verify",
"description": "Public capability value used to scope this lookup."
},
"data": {
"additionalProperties": false,
"description": "Public data value used to scope this lookup.",
"properties": {
"blockers": {
"description": "Public blockers value used to scope this lookup.",
"items": {
"type": "string"
},
"type": "array"
},
"disposable_domain": {
"description": "Public disposable domain value used to scope this lookup.",
"type": [
"boolean",
"null"
]
},
"dns_resolves": {
"description": "Public dns resolves value used to scope this lookup.",
"type": "boolean"
},
"domain": {
"description": "Public normalized email value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"free_provider": {
"description": "Public disposable domain value used to scope this lookup.",
"type": [
"boolean",
"null"
]
},
"mx_hosts": {
"description": "Public mx hosts value used to scope this lookup.",
"items": {
"type": "string"
},
"maxItems": 10,
"type": "array"
},
"mx_present": {
"description": "Public mx present value used to scope this lookup.",
"type": "boolean"
},
"normalized_email": {
"description": "Public normalized email value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"null_mx": {
"description": "Public null mx value used to scope this lookup.",
"type": "boolean"
},
"provider_request_count": {
"description": "Public provider request count value used to scope this lookup.",
"maximum": 3,
"minimum": 0,
"type": "integer"
},
"role_address": {
"description": "Public disposable domain value used to scope this lookup.",
"type": [
"boolean",
"null"
]
},
"safe_to_attempt": {
"description": "Public safe to attempt value used to scope this lookup.",
"type": "boolean"
},
"scope": {
"const": "syntax_and_public_dns_only_no_smtp",
"description": "Public scope value used to scope this lookup."
},
"syntax_valid": {
"description": "Public syntax valid value used to scope this lookup.",
"type": "boolean"
},
"warnings": {
"description": "Public warnings value used to scope this lookup.",
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"normalized_email",
"domain",
"syntax_valid",
"dns_resolves",
"mx_present",
"null_mx",
"mx_hosts",
"disposable_domain",
"role_address",
"free_provider",
"safe_to_attempt",
"blockers",
"warnings",
"provider_request_count",
"scope"
],
"type": "object"
},
"meta": {
"additionalProperties": false,
"description": "Public meta value used to scope this lookup.",
"properties": {
"cache": {
"description": "Public cache value used to scope this lookup.",
"enum": [
"hit",
"miss",
"bypass"
]
},
"checked_at": {
"description": "Public checked at value used to scope this lookup.",
"type": "string"
},
"duration_ms": {
"description": "Public duration ms value used to scope this lookup.",
"minimum": 0,
"type": "integer"
},
"provider": {
"description": "Public provider value used to scope this lookup.",
"type": [
"string",
"null"
]
}
},
"required": [
"provider",
"checked_at",
"cache",
"duration_ms"
],
"type": "object"
},
"ok": {
"const": true,
"description": "Public ok value used to scope this lookup."
},
"version": {
"const": "1",
"description": "Package version whose public metadata should be checked."
}
},
"required": [
"ok",
"capability",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T01:10:05.101Z",
"quality": {
"l30DaysTotalCalls": 14,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-26T01:10:04.669Z"
},
"resource": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/email/verify",
"serviceName": "Forest Web",
"tags": [
"email",
"verification",
"dns",
"verify"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Verify email syntax and public DNS readiness with a bounded deterministic preflight. Forest checks normalized syntax, MX/address records including explicit null MX, and curated role/free/disposable-domain signals, then returns a conservative safe-to-attempt decision. It never connects to SMTP, sends mail, authenticates, stores customer mailboxes or claims that a mailbox exists. Base mainnet USDC"
}What the leaf hashes
{"body":"4719294bd9e88cda258f73f92aeb3ab59301a462e9c8f488243bcda4951e2e7f","id":19889,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025332207873,"prev":null,"subject":"x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/email/verify","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).
- 0xc43dcd56f6d2cf3b5aab165581608e081c4978e4be4131be5f847bf13e1219d8
- 0x63a4d37e59525bb30caef8826af7bb296a6d9b8120f1954c517adb376677e629
- 0x616a05c16008807908c2e019456136d434c3e3ecb5d302f6689d196e0907ff1b
- 0xe2cbd99067be777dafedf7ab5b8387a0a90ff1f69aaba690c8a149e251d675b5
- 0xbfcbdec77270ffbb5d2c0b49bb194124a6c955e61e6e5bad3f5b26633671341b
- 0xea5d1a5426db52d0e5544558f270d2305ecd2f11b9889714c45fe59f6169920f
- 0xa47fa1dfe46afc10a3416958991d403ff2d9e503ea248c534b2760acca51f41d
- 0xd171de5b2d95272a2bb25bb1aa68fe10ffaac429d326f23058dbd18ab4fae07a
- 0x6703d17c3f191807991609a113df4758f086b9964c89dfc72962985e8998f47f
- 0xd7fa137fd7aae82c376f90cb43e2e9cf874e762e0293fed3b902e8bde35cc36b
- 0x463fef738ef71a01d4aa9ac1c6836fcf6802cdaa7de01bbe42397d79d35d8671
- 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
- 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
- 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae