← The evidence ledger
Evidence row 121820
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stack.halowerk.com/stack/articles/brevo
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e19c22e19aa485ebe658aed1386fcd5d8af5085c91b4daacc6f1ba7825f89273
- Leaf
- 0x1356be9ed851f61ada735610075983b0722df9c37e78c4a322062c576a074964
What was observed
{
"endpoints": [
[
"x402",
"https://stack.halowerk.com/stack/articles/brevo"
]
],
"name": "Tech Detect",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "5000",
"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": "Purpose-bound Brevo observation (marketing) using the existing fresh Stack-Monitor. Returns stack_brevo_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://example.com/"
},
"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": {
"previous": {
"additionalProperties": false,
"properties": {
"observed_at": {
"maxLength": 40,
"type": "string"
},
"technologies": {
"items": {
"additionalProperties": false,
"properties": {
"category": {
"maxLength": 80,
"type": "string"
},
"name": {
"maxLength": 150,
"type": "string"
},
"version": {
"maxLength": 80,
"type": [
"string",
"null"
]
}
},
"required": [
"name",
"category",
"version"
],
"type": "object"
},
"maxItems": 150,
"type": "array"
}
},
"required": [
"observed_at",
"technologies"
],
"type": "object"
},
"url": {
"maxLength": 2048,
"type": "string"
}
},
"required": [
"url"
],
"title": "Brevo fingerprint monitor input",
"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"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-15T01:14:18.862Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-15T01:14:18.669Z"
},
"resource": "https://stack.halowerk.com/stack/articles/brevo",
"serviceName": "Tech Detect",
"tags": [
"x402",
"halowerk",
"stack_brevo"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Purpose-bound Brevo observation (marketing) using the existing fresh Stack-Monitor. Returns stack_brevo_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout."
}What the leaf hashes
{"body":"e19c22e19aa485ebe658aed1386fcd5d8af5085c91b4daacc6f1ba7825f89273","id":121820,"kind":"listing","method":"baseline/1","observed_us":1793025620543271,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/brevo","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).
- 0x13574216a6664ae035dd9947ffab51049ee042eeded4a86c7b68206a99b7d433
- 0x8f3800d961558bae1e5f29aa67201c69cd4c4107d0455d9299baadddbe7ff6bb
- 0x9864be3e73473b9d72fe1f613f7dc02cf32a0933968ea193cabfcf89e153039a
- 0xf18eed2da7cf38777975d93e9b8bfee7c20333cb67d01e14fb062d2e6f0a7c69
- 0xef7c2e03807d1fcc8bc6207e6b3038b1daf3bd90307eeb3025f473dcbab05ce0
- 0x1f238bf65cdd8c5b8425b76bfb768451d31b3258bd91a4005da2a4966a801ea3
- 0x1c578b1e51633bda69729a24b537d188d1135eb5d3d2628babbbb0f0b5801b3f
- 0x0c03a7293a97fb8fd1444c078446e1ed44f867adb406c99b15fef998204dd5de
- 0xb184ee14fc8b283552a30eaeb5710047f2407274c459b86633a685e9e10052b9
- 0x4a6e9d6f8bcdedf054372776140e3ef47d5f8d6efb1bdab8c26dcd9c83c1db99
- 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
- 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
- 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
- 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae