← The evidence ledger
Evidence row 126060
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.fairseal.io/v1/veo/verify
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7749a9b17656039f98226209e55405823f37a7f6acbab09e9a8ca40659630792
- Leaf
- 0x13434074583cc673017d29eb8a9186075e698b620cd2ea9648d5cde9d63f9608
What was observed
{
"endpoints": [
[
"x402",
"https://x402.fairseal.io/v1/veo/verify"
]
],
"name": "x402.fairseal.io/v1/veo/verify",
"owner_address": "0xbd5eb5559f5ac14475ac0c81b6735a4d9106ce28",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
"version": "2",
"withdrawDelay": 900
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28",
"scheme": "batch-settlement"
}
],
"description": "Verify AI agent outputs against a VEO-2 schema. Checks structural validity, SHA-256 hash integrity (if content hash is present), and optional cryptographic signature on the output (if proof.provider_signature is present). Returns a verdict with per-check details.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"confidence": {
"score": 0.9
},
"execution": {
"model": "gpt-4o",
"prompt_hash": "sha256:deadbeef"
},
"issued_at": "2026-09-12T10:00:00Z",
"object_class": "VEO-2A",
"object_id": "veo-abc123",
"provider": {
"name": "my-agent",
"version": "1.0"
},
"standard": "VEO",
"version": "2.0"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"confidence": {
"required": [
"score"
],
"type": "object"
},
"entropy": {
"description": "At least one of execution/entropy required",
"type": "string"
},
"execution": {
"description": "At least one of execution/entropy required",
"type": "object"
},
"issued_at": {
"type": "string"
},
"object_class": {
"enum": [
"VEO-2A",
"VEO-2B",
"VEO-2C",
"VEO-2D"
],
"type": "string"
},
"object_id": {
"type": "string"
},
"provider": {
"required": [
"name"
],
"type": "object"
},
"standard": {
"const": "VEO",
"type": "string"
},
"version": {
"const": "2.0",
"type": "string"
}
},
"required": [
"standard",
"version",
"object_id",
"object_class",
"provider",
"confidence"
],
"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": "2026-10-06T07:37:33.214Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T05:40:13.214Z"
},
"resource": "https://x402.fairseal.io/v1/veo/verify",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Verify AI agent outputs against a VEO-2 schema. Checks structural validity, SHA-256 hash integrity (if content hash is present), and optional cryptographic signature on the output (if proof.provider_signature is present). Returns a verdict with per-check details."
}What the leaf hashes
{"body":"7749a9b17656039f98226209e55405823f37a7f6acbab09e9a8ca40659630792","id":126060,"kind":"listing","method":"baseline/1","observed_us":1793025627167584,"prev":null,"subject":"x402_bazaar:https://x402.fairseal.io/v1/veo/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).
- 0x13436e499ad1cf7222266d42d0425886e53f770b0f839050bb8d2e7a5501beb7
- 0xb0d909109650c4af099ee619c931abfa4faa63f23feb2051c507ae98ed389cd4
- 0x4868b6754328f103083940d223813e5695107f75e23e41ab573558afafc4e9fc
- 0x9ced0e5930d2be34bb41e1fd301c1a474a532c001241adc947572388550dcd81
- 0x09096543edb0548fe85d8beedc529a2da39a4ce0a17cfb22ce4969b52a490a8e
- 0x79fdebf88b05ea3975cb6df6301ec2d7f576c7919c2aa67b490e8d4123fab7c0
- 0xb6595d0d17d0c13d62089659ae17284e3bf9c60ae7fba85fcf880e305d5f1eee
- 0x0c03a7293a97fb8fd1444c078446e1ed44f867adb406c99b15fef998204dd5de
- 0xb184ee14fc8b283552a30eaeb5710047f2407274c459b86633a685e9e10052b9
- 0x4a6e9d6f8bcdedf054372776140e3ef47d5f8d6efb1bdab8c26dcd9c83c1db99
- 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
- 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
- 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
- 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae