← The evidence ledger
Evidence row 425661
Observed , by sync.agentic_market/1.
- Kind
- listing
- About
- source_record agentic_market:x402-fairseal-io
- Recorded
- Previous row
- #418356
- Body SHA-256
- 34726bd2b119804b82a15db8007e55b14ca69a15162a938cc949309e61e58b1c
- Leaf
- 0xf8169a782a64f270433a83a085382cd32527bd3dc298afef0f9053188c489c08
What was observed
{
"endpoints": [
[
"x402",
"https://x402.fairseal.io/v1/notarize"
],
[
"x402",
"https://x402.fairseal.io/v1/pii/detect"
],
[
"x402",
"https://x402.fairseal.io/v1/rng/latest"
],
[
"x402",
"https://x402.fairseal.io/v1/veo/verify"
],
[
"x402",
"https://x402.fairseal.io/v2/anchor"
]
],
"name": "x402.fairseal.io",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "x402.fairseal.io",
"endpoints": [
{
"description": "Anchor an AI agent decision or audit record to Base mainnet. Submit {schema, payload_hash (SHA-256 hex, 64 chars), metadata}; service queues into a Merkle batch and returns a receipt with pending_anchor status immediately. Full Merkle proof and on-chain anchor_tx available via free GET /v1/notarize/:receipt_id after batch anchors (within batch_threshold receipts or 120s). Include Idempotency-Key header to prevent double-charges on retry.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "metadata",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
"group": "body",
"name": "payload_hash",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "agent_decision",
"group": "body",
"name": "schema",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.05",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "8",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [],
"url": "https://x402.fairseal.io/v1/notarize"
},
{
"description": "Scan and redact PII from text before storing or sharing. Detects emails, phone numbers, credit cards (Luhn-checked), SSNs, IDs, passports, and IPv4 addresses. Returns sanitized text. Max 50,000 chars. Expect some false positives; non-North American phone formats not matched.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "Contact alice@example.com or call 555-867-5309. SSN: 123-45-6789.",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.001",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "11",
"l30DaysUniquePayers": "4"
},
"serviceName": "",
"tags": [],
"url": "https://x402.fairseal.io/v1/pii/detect"
},
{
"description": "Provably fair random numbers, commit-reveal protocol. SHA-256 commit is free (POST /v1/rng/commit); pay $0.01 to reveal a verifiable random number backed by a cryptographic VDF chain with on-chain Merkle anchor. Bias-resistant; do not construct reveal paths yourself.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://x402.fairseal.io/v1/rng/latest"
},
{
"description": "Verify and validate AI agent output integrity. Checks structure, SHA-256 hash, and optional cryptographic proof signature. Returns a per-check verdict. Accepts VEO-2 compliant output objects. Use to confirm an AI output has not been tampered with before acting on it.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "confidence",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "execution",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-09-12T10:00:00Z",
"group": "body",
"name": "issued_at",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "VEO-2A",
"group": "body",
"name": "object_class",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "veo-abc123",
"group": "body",
"name": "object_id",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "provider",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "VEO",
"group": "body",
"name": "standard",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2.0",
"group": "body",
"name": "version",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "7",
"l30DaysUniquePayers": "3"
},
"serviceName": "",
"tags": [],
"url": "https://x402.fairseal.io/v1/veo/verify"
},
{
"description": "Create a tamper-proof on-chain record of any content hash. Submit a SHA-256 hash; returns a cryptographic proof of existence anchored to Base mainnet via Merkle batch. Poll status_url for verifiable receipt with on-chain tx hash. $0.02 USDC per anchor. Audit trail for AI decisions or documents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "metadata",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
"group": "body",
"name": "payload_hash",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "batch",
"group": "body",
"name": "tier",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "8",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [],
"url": "https://x402.fairseal.io/v2/anchor"
}
],
"enriched": false,
"iconUrl": "",
"id": "x402-fairseal-io",
"integrationType": "",
"isNew": false,
"name": "x402.fairseal.io",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.0202",
"currency": "USDC",
"maxAmount": "0.05",
"minAmount": "0.001"
},
"provider": "x402.fairseal.io",
"providerUrl": "",
"serviceName": "",
"tags": []
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"34726bd2b119804b82a15db8007e55b14ca69a15162a938cc949309e61e58b1c","id":425661,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793086160679955,"prev":418356,"subject":"agentic_market:x402-fairseal-io","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).
- 0xf816a34f67b3f8148bf944860180909cda9303cee298e8fd52b4bc04ac49ec56
- 0x045546430a7de693f69f93ee100b5ffe3ad0b77620ea2190c80ea72504e54fd8
- 0xdd25cf9835e4fd905e3e9da69e63e85db3a4eba8dd52119b9327177b7a558b4e
- 0x63366d0fb7b86e6ea3787dc3aa91350f0e056ac7ac69c3f28e69fb6176ab5fbe
- 0x8ebe5721cfdf4639355935bda91ca011956de74f112bfe4d2104c12dd39b5e26
- 0xde8710991fd9fe747849a2cbb762b0f16f1c745c5370834ef816f7f515903d92
- 0x7b8b79ef33ec8c13d227fef31a50a1aed034e43e449eee87bda0a983186719e5
- 0xa56125590020eb480f87722fc9db02fb83c62a7ffec1975a57e0b8fb41b7717a
- 0xe66a23e55f169cdf756708d6b7c3957abee2caabe9e915cfa58245bdf163c28f
- 0x0fa167eb3be4aa29b7fd8dc74284b91fa45ab96e10ea6dff4ea5cba0573c64a0
- 0x12408384d08af700ef3fb795be2a17733a31e199b760d2ea0302452891a37f3f
- 0x3d6ce9e9447d644baa93c05c5ec0a44778000bfa82e0208f4a0086c782198964
- 0x2cba9be288dab78cb9c5f54fa13242712b2493da9f833a7c3cdd92cde60662b0
- 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
- 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4