← The evidence ledger
Evidence row 452501
Observed , by sync.agentic_market/1.
- Kind
- listing
- About
- source_record agentic_market:x402-fairseal-io
- Recorded
- Previous row
- #425661
- Body SHA-256
- c805d6a7cd6d68e7c2b9bdd8b3a95b6802b4f3b75c86e38a1b70c94449f23c72
- Leaf
- 0x823f1ca7878d3023ffb51fcd1e4ff2ef1f33118b1ea243b0f3d792a579db3bf8
What was observed
{
"endpoints": [
[
"x402",
"https://x402.fairseal.io/v1/break"
],
[
"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": "Commit-before-entropy spot assignment for live card breaks, giveaways, and raffles. POST {spots[], participants[], label?} (1..500 strings, 1..100 chars each). Returns commitment immediately; poll result_url free for receipt with assignment, rule_hash, entropy, derivation steps, and offline verification guide.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://x402.fairseal.io/v1/break"
},
{
"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": "0.020167",
"currency": "USDC",
"maxAmount": "0.05",
"minAmount": "0.001"
},
"provider": "x402.fairseal.io",
"providerUrl": "",
"serviceName": "",
"tags": []
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"c805d6a7cd6d68e7c2b9bdd8b3a95b6802b4f3b75c86e38a1b70c94449f23c72","id":452501,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793100551279069,"prev":425661,"subject":"agentic_market:x402-fairseal-io","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.