← The evidence ledger
Evidence row 2197
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:emailauth-openverbs-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a2469d05a3e23a2bcc3ea368adfc3352ce82b5eee2752c6dbd1c90736aa689e5
- Leaf
- 0x6e65f24822ac5028d7694043aaccba51ae841752a6becb55668bc74848472104
What was observed
{
"endpoints": [
[
"x402",
"https://emailauth.openverbs.com/v1/dkim-parse"
],
[
"x402",
"https://emailauth.openverbs.com/v1/dmarc-parse"
],
[
"x402",
"https://emailauth.openverbs.com/v1/spf-check"
],
[
"x402",
"https://emailauth.openverbs.com/v1/spf-parse"
]
],
"name": "emailauth.openverbs.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "emailauth.openverbs.com",
"endpoints": [
{
"description": "Parse a DKIM public-key DNS TXT record (\"v=DKIM1; k=rsa; p=…\") into its key type, public key, hash algorithms, service types and flags. An empty `p` is reported as a revoked key. A missing `p` tag is a clean 400.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A",
"group": "body",
"name": "record",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Parse a DKIM key record",
"tags": [
"parse dkim record",
"dkim key parser",
"validate dkim dns",
"dkim public key lookup",
"email dkim tags"
],
"url": "https://emailauth.openverbs.com/v1/dkim-parse"
},
{
"description": "Parse a DMARC TXT record (\"v=DMARC1; p=…\") into its policy, alignment, sampling and reporting tags. Missing or invalid policy/alignment/pct values are clean 400s.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "v=DMARC1; p=reject; rua=mailto:dmarc@example.com; pct=100",
"group": "body",
"name": "record",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Parse a DMARC record",
"tags": [
"parse dmarc record",
"dmarc record parser",
"validate dmarc policy",
"dmarc dns lookup",
"email dmarc tags"
],
"url": "https://emailauth.openverbs.com/v1/dmarc-parse"
},
{
"description": "Evaluate an SPF record against an IPv4/IPv6 address using only its literal ip4/ip6/all mechanisms. DNS-dependent mechanisms (include, a, mx, exists, redirect) reached before a match yield an honest `indeterminate` result rather than a guess.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "192.0.2.10",
"group": "body",
"name": "ip",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "v=spf1 ip4:192.0.2.0/24 -all",
"group": "body",
"name": "record",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Email authentication",
"tags": [
"check spf ip",
"evaluate spf record",
"spf ip validation",
"spf sender check",
"email authentication check"
],
"url": "https://emailauth.openverbs.com/v1/spf-check"
},
{
"description": "Parse an SPF TXT record (\"v=spf1 …\") into its qualified mechanisms and modifiers. Records that do not start with v=spf1 or use unknown mechanisms are clean 400s.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "v=spf1 include:_spf.google.com ~all",
"group": "body",
"name": "record",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Parse an SPF record",
"tags": [
"parse spf record",
"spf record parser",
"spf dns lookup",
"validate spf syntax",
"email spf mechanisms"
],
"url": "https://emailauth.openverbs.com/v1/spf-parse"
}
],
"enriched": false,
"iconUrl": "",
"id": "emailauth-openverbs-com",
"integrationType": "",
"isNew": false,
"name": "emailauth.openverbs.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.004",
"currency": "USDC",
"maxAmount": "0.004",
"minAmount": "0.004"
},
"provider": "emailauth.openverbs.com",
"providerUrl": "",
"serviceName": "",
"tags": [
"parse dkim record",
"dkim key parser",
"validate dkim dns",
"dkim public key lookup",
"email dkim tags",
"parse dmarc record",
"dmarc record parser",
"validate dmarc policy",
"dmarc dns lookup",
"email dmarc tags",
"check spf ip",
"evaluate spf record",
"spf ip validation",
"spf sender check",
"email authentication check",
"parse spf record",
"spf record parser",
"spf dns lookup",
"validate spf syntax",
"email spf mechanisms"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"a2469d05a3e23a2bcc3ea368adfc3352ce82b5eee2752c6dbd1c90736aa689e5","id":2197,"kind":"listing","method":"baseline/1","observed_us":1793025261429137,"prev":null,"subject":"agentic_market:emailauth-openverbs-com","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).
- 0x6e65a7410b5a995404dd0cbcc57736282193e1324147af6e3143385472e81177
- 0xbf2a2500921b53954ddc424be906b69e831324dfabd28baa3b1adbcb3103e3e2
- 0x05ac5a96c000915aeb38d0477de4072dd8d08ed63786b4938e488740206a5860
- 0x779b52249043192e90cdfc650af71663fd6cac91639734ebaba995feaad99299
- 0xfdb499492f38b231956a4d4d0333b4e06b17862e98970df8b570ad820bb81e28
- 0x0613080ba954796d8d59fe2bb1d0a6e58add4bd9b38479202fda5b9da4dc3fc0
- 0x1a433e68536690335336478e330e27c4937ea0919f27122215b797bf3b7c1a9e
- 0xc6ec6f8442cee646d73855f0d46a7def612f9e4d1ce74d0f13ca05a0307e1e24
- 0x027bacb03f66fd117cebcfa0c93fcbed349f8cd34d7ca4b62a1550f1b51d83c1
- 0xaee08b0a7fe6600aebc470a11e9a419553ea293db9d18d86b66fe6794f3e5b55
- 0x3167834b22bda59442a4af0440d698d3a42612c3d6ce4e293e0fa97975320c38
- 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
- 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
- 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae