← The evidence ledger
Evidence row 409327
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-niche-briefs.fly.dev/v1/amazon-vine-roi-estimator
- Recorded
- Previous row
- #81148
- Body SHA-256
- 51c40b145bb9dead0bece2f5ed7d7d5479428ab01712ca66657a39a616a49080
- Leaf
- 0xba0bc7a921e6e93a44e0436547333b1fee208ba40f67a23f3b69ed57dcca1d72
What was observed
{
"endpoints": [
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/amazon-vine-roi-estimator"
]
],
"name": "Amazon Vine ROI estimator",
"owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
"scheme": "exact"
}
],
"description": "Estimate Vine enrollment cost and break-even incremental units.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"unit_cogs_usd": "8",
"unit_margin_usd": "9",
"units_enrolled": "30"
},
"type": "http"
},
"output": {
"example": {
"as_of": "2026-10-25",
"breakeven_incremental_units": 49,
"enrollment_fee_usd": 200,
"input": {
"unit_cogs_usd": 8,
"unit_margin_usd": 9,
"units_enrolled": 30
},
"total_cost_usd": 440
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"unit_cogs_usd": {
"description": "Unit landed cost",
"type": "string"
},
"unit_margin_usd": {
"description": "Unit contribution margin",
"type": "string"
},
"units_enrolled": {
"description": "Units enrolled",
"type": "string"
}
},
"required": [
"units_enrolled",
"unit_cogs_usd",
"unit_margin_usd"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"as_of": {
"type": "string"
},
"breakeven_incremental_units": {
"type": "number"
},
"enrollment_fee_usd": {
"type": "number"
},
"input": {
"properties": {
"unit_cogs_usd": {
"type": "number"
},
"unit_margin_usd": {
"type": "number"
},
"units_enrolled": {
"type": "number"
}
},
"required": [
"units_enrolled",
"unit_cogs_usd",
"unit_margin_usd"
],
"type": "object"
},
"total_cost_usd": {
"type": "number"
}
},
"required": [
"input",
"enrollment_fee_usd",
"total_cost_usd",
"breakeven_incremental_units",
"as_of"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-27T02:13:32.658Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T11:01:51.76Z"
},
"resource": "https://x402-niche-briefs.fly.dev/v1/amazon-vine-roi-estimator",
"serviceName": "Amazon Vine ROI estimator",
"tags": [
"marketplace",
"amazon",
"reviews"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Estimate Vine enrollment cost and break-even incremental units."
}What the leaf hashes
{"body":"51c40b145bb9dead0bece2f5ed7d7d5479428ab01712ca66657a39a616a49080","id":409327,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080369504689,"prev":81148,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/amazon-vine-roi-estimator","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0xba0b9f1a5702a93352b09983595991775e4922982cc0c6de6d2c7420812e32ad
- 0x8b2d76b996c3ab15a4f5020eb13891f238e8bdd8b0908f1fa5ef5161e3264ec2
- 0xbcf11725052c719a659932e80bfba8e6262d73b164162b604ffb588f09eab4f8
- 0x69739653b5b2d65d75d1cf506f125849db00e1fae61cc55ec40164658aa817a6
- 0xd33d0caa23e2ce08360eefb050e16ca4392d077001b1427aaf638ab731e46ab6
- 0x9eebe02382c4c74920e20ba29a504d5344d4298ba44b73bdbd9f65588c282f55
- 0xbfc555642b8c187213fc06c76a0bce5fcadd87376cfde81514eb2b8dd6e71107
- 0x72930944a204e2b81d6cfbd625815474cd7d14627c63e0fa287ca3d1c2575cfa
- 0x6472ae9f4041ac00cb06d354ca3836b93fa48423e622664895bd978822da37c7
- 0x730869a7dc51342f72c789942aa86a110afac1501602c6e93c62bbc049a3958e
- 0x93dab4db8f250e193cce0d5bacbda4b45df3b3ee694710f7912415742bb36e56
- 0x159edcfdd12b3eacd95b92f307695c8c00010beadbfcbf272edb59cfef54fb40
- 0xa4f69e2cf941a3f318d70734b59401dd27010a6bdffb5c32a28304db650a6f0b
- 0xa453d1738637a5c663802d07ce095aa340c80d53a4288ae277a72e265868ce4e
- 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
- 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4