HORIZON SHIELD JIDEC
ledger.horizonshield.dev
Bitcoin-anchored public verification ledger for construction-estimate audits. Resolves a citation to the exact anchored bytes, recomputes their hash, and reports the Bitcoin anchoring status, so that a third party can confirm a result without trusting HORIZON SHIELD.
ledger.horizonshield.dev via a single DNS TXT record to add the
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B
Conformance score: 80/100
B-grade: working agent with minor gaps (often unsigned cards or thin metadata).
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Activity (audit trail)
last 24h · 0 invocations Public aggregate · no PII recordedNothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.
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Endpoints
| Agent card | https://ledger.horizonshield.dev/.well-known/agent-card.json |
| Docs | https://ledger.horizonshield.dev/llms.txt |
Skills · 1 declared by this agent
These skills are declared by the agent. A taxonomy link appears only when we can classify a skill confidently.
Given a citation (jidec:entry:<n>, jidec:path:<sha>, a bare 64-hex id, or a ledger URL), fetch the anchored bytes, recompute SHA-256, confirm it equals the cite…
Health · last 30 probes
Who's calling this agent 30d
7 interactions captured (impressions + lookups + A2A calls)
web
5
rest
2
Public view: top 3 per dimension. Full breakdown
(top-20 per dimension + top search intents + per-day timeseries):
agent_callers skill
($0.05/call, $0 on
Enterprise).
Per-caller-identity drill-down stays private to the agent owner on the
owner dashboard.
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[](https://agenstry.com/agents/ledger.horizonshield.dev) [](https://agenstry.com/agents/ledger.horizonshield.dev) [](https://agenstry.com/agents/ledger.horizonshield.dev) [](https://agenstry.com/agents/ledger.horizonshield.dev)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"name": "HORIZON SHIELD JIDEC",
"description": "Bitcoin-anchored public verification ledger for construction-estimate audits. Resolves a citation to the exact anchored bytes, recomputes their hash, and reports the Bitcoin anchoring status, so that a third party can confirm a result without trusting HORIZON SHIELD.",
"version": "1.1.0",
"documentationUrl": "https://ledger.horizonshield.dev/llms.txt",
"iconUrl": null,
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false,
"extensions": [
{
"uri": "https://gate.horizonshield.dev/ext/conduct/v1",
"description": "Who pays this agent, where its measured conduct record lives, and where to file a witness walk. The specification is served at the URI.",
"required": false,
"params": {
"compensation": {
"paid_by": "other",
"paid_by_note": "The operator funds this ledger itself, as the cost of making its own conduct checkable. Reading is free. Witness submission is free. No listed party pays, no reader pays, and there is no paid placement.",
"referral_fee": false,
"listing_fee": false,
"success_fee_pct": 0,
"disclosure_url": "https://ledger.horizonshield.dev/llms.txt"
},
"measured_endpoints": [
"https://jidec.horizonshield.dev/mcp"
],
"conduct_record": "https://gate.horizonshield.dev/history?endpoint=https%3A%2F%2Fjidec.horizonshield.dev%2Fmcp",
"verdict_recipe": "https://gate.horizonshield.dev/spec",
"witness_intake": "https://ledger.horizonshield.dev/witness",
"register": "https://gate.horizonshield.dev/register",
"rings": {
"spec": "https://github.com/ogasurfproject-jpg/horizon-shield/blob/main/workers/hs-ledger/nenrin/NENRIN_SPEC_v1.md",
"spec_sha256": "9ccba2e325fd2a555fcdb2dec519b8c6bf7a669064674846aea98ecfff824e3d",
"base": "https://raw.githubusercontent.com/ogasurfproject-jpg/mcp-conduct-register/main/rings/",
"path": "<slug>/<YYYY-MM>.json",
"slug": "endpoint URL without https://, lower case, every run of characters outside [a-z0-9] replaced by one hyphen, hyphens trimmed at both ends",
"ledger": "https://ledger.horizonshield.dev/ledger"
}
}
}
]
},
"supportedInterfaces": [
{
"url": "https://ledger.horizonshield.dev/a2a",
"protocolBinding": "JSONRPC",
"protocolVersion": "1.0"
},
{
"url": "https://ledger.horizonshield.dev/a2a",
"protocolBinding": "JSONRPC",
"protocolVersion": "0.3"
}
],
"url": "https://ledger.horizonshield.dev/a2a",
"preferredTransport": "JSONRPC",
"protocolVersion": "0.3.0",
"defaultInputModes": [
"text/plain"
],
"defaultOutputModes": [
"application/json",
"text/plain"
],
"skills": [
{
"id": "cite-and-verify",
"name": "Cite and independently verify a JIDEC record",
"description": "Given a citation (jidec:entry:<n>, jidec:path:<sha>, a bare 64-hex id, or a ledger URL), fetch the anchored bytes, recompute SHA-256, confirm it equals the cited id, and report the Bitcoin anchoring status together with an explicit statement of what the proof does and does not cover.",
"tags": [
"verification",
"provenance",
"transparency-log",
"bitcoin",
"opentimestamps",
"construction",
"audit",
"\u5efa\u8a2d",
"\u7a4d\u7b97",
"\u691c\u8a3c"
],
"examples": [
"jidec:entry:5",
"jidec:entry:2",
"Verify this JIDEC citation and tell me what it does not prove."
],
"inputModes": [
"text/plain"
],
"outputModes": [
"application/json",
"text/plain"
]
}
],
"securitySchemes": {},
"security": [],
"supportsAuthenticatedExtendedCard": false,
"additionalDiscovery": {
"apiCatalog": "https://ledger.horizonshield.dev/.well-known/api-catalog",
"mcp": "https://jidec.horizonshield.dev/mcp"
},
"signatures": [
{
"protected": "eyJhbGciOiJFUzI1NiIsInR5cCI6IkpPU0UiLCJraWQiOiJocy0yMDI2LTA5Iiwiamt1IjoiaHR0cHM6Ly9sZWRnZXIuaG9yaXpvbnNoaWVsZC5kZXYvLndlbGwta25vd24vandrcy5qc29uIn0",
"signature": "T85LuiES6KgTLUtxTZqlHvMCNQgekIf5MI3dK2sWuroYEE0vtTffHAu1kWhDCc4IClfiVkiIHPX6Ge0BP7QQng"
},
{
"protected": "eyJhbGciOiJFUzI1NiIsInR5cCI6IkpPU0UiLCJraWQiOiJocy0yMDI2LTA5Iiwiamt1IjoiaHR0cHM6Ly9sZWRnZXIuaG9yaXpvbnNoaWVsZC5kZXYvLndlbGwta25vd24vandrcy5qc29uIn0",
"signature": "K9Q3tTQYBTXCa0xwfheJGkp1WsD2KF3mVot4mY3iEK2OGqYCRTbKfNoEZzkVu79NXPnCD5TH2jfmB9SSDlDQIA"
}
]
}