← The evidence ledger
Evidence row 74741
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://email.intel.rallylive.ca/email/spf-authorizes/sendgrid
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fb71ac12718e54b25215f23bcb43c2a6892d0e2524e517ee2d11aa053245bc70
- Leaf
- 0xbebe65196f8fda939b47a5fd5802d3f50bf2e99577866063b1393cd327d9516b
What was observed
{
"endpoints": [
[
"x402",
"https://email.intel.rallylive.ca/email/spf-authorizes/sendgrid"
]
],
"name": "spf-authorizes-sendgrid",
"owner_address": "0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:84532",
"payTo": "0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3",
"scheme": "exact"
}
],
"description": "Does the domain's SPF record authorise sendgrid to send its mail? Reads the SPF TXT record (Cloudflare DoH) and checks for sendgrid's include/ip mechanisms, returning yes/no, the matching mechanism and the full record. Confirms a vendor integration is wired for deliverability, or spots an unexpected sender. $0.01 per lookup.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"domain": "github.com"
},
"type": "http"
},
"output": {
"example": {
"authorized": false,
"domain": "github.com",
"mechanism": null,
"spf": "v=spf1 …",
"vendor": "sendgrid"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-01T14:59:52.243Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-01T14:59:52.117Z"
},
"resource": "https://email.intel.rallylive.ca/email/spf-authorizes/sendgrid",
"serviceName": "spf-authorizes-sendgrid",
"tags": [
"spf",
"sendgrid",
"email",
"sender",
"authorization"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Does the domain's SPF record authorise sendgrid to send its mail? Reads the SPF TXT record (Cloudflare DoH) and checks for sendgrid's include/ip mechanisms, returning yes/no, the matching mechanism and the full record. Confirms a vendor integration is wired for deliverability, or spots an unexpected sender. $0.01 per lookup."
}What the leaf hashes
{"body":"fb71ac12718e54b25215f23bcb43c2a6892d0e2524e517ee2d11aa053245bc70","id":74741,"kind":"listing","method":"baseline/1","observed_us":1793025489390732,"prev":null,"subject":"x402_bazaar:https://email.intel.rallylive.ca/email/spf-authorizes/sendgrid","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).
- 0xbebe6d8023441538549fe82aa16dfb7429dc6cc14ce7627fd5b4671479435485
- 0x6cd7c90cb70269f41ac2c69715dfe3f425118db3947985a69834564206bb6a1f
- 0xb50420c1a33730958fc8b575704b9e4d28f2f8f1e22e30304a7ccd3b04b3cedd
- 0x028b06b421df962d2e3e113b9c987d1c43a64e21ef89ae3cfe9041f3b83b00fe
- 0x2609096e7d8bc4e4cf7238afbe31950e3898fa63170bf1f37adb5af8a4126537
- 0x337dcb8336a23569bd4c23ae1df8e4f8f0a99b29cfd9ed53e098e7a77f9388e8
- 0x18b9b751bd3991dcde6c57537abd5e7bdcbbb4aff8157709b0fe8972ce7ff42a
- 0x475405f8d4e846d73f6577f5e0b3eee817b3b6150cdb00a45d30eca0b9d0ecce
- 0x652682fe7730588966bee5677a3da0d5301eeb9628ec4a456398914b9ddf92e6
- 0x6a746b816cbae6dd852b6174fa370c7d8224f421d42164fa99d1a244739599d1
- 0x0c2fadf69af6b0b6e19a10cc8f6ddfdff26662d74207cc53dcbcf5abfbdbc8c9
- 0xa6f71fd6c3a59323bf7c5386a54935b14c555d8c717289cc73700f56d86994cd
- 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
- 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae