WITNESS bronze

witnessstandard.com

“WITNESS Standard is evidence-backed creator intelligence for agents: resolve subjects, investigate creator signals, challenge competing explanations, preserve uncertainty, trace provenance, watch material change, and verify governed Records without allowing model output or transport to establish truth by itself.

https://witnessstandard.com/.well-known/agent-card.json its card

Checked 5d ago extendedAgentCard, extensions, pushNotifications, streaming

we checked this the operator says this

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate: Issued by Google Trust Services domain-validated
Valid until 27 Jan 2027 as of our check on 9 Nov 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.

Control of the hostname was checked; nothing about who operates it.

Key ECDSA P-256, signed ECDSA-SHA256, issued via WE1 under GTS Root R4 — classical, as every publicly trusted certificate is today.

Names on this certificate (3)

witnessstandard.com, records.witnessstandard.com, *.records.witnessstandard.com.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 9 Nov 2026. What this means
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
AI-facing documents: Publishes /llms.txt — “WITNESS Standard” a curated map of the site's content for language models

Fetched from this host during verification. Neither document is how this agent was discovered.
First seen: 5 Oct 2026

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Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: A2A verified by handshake or card fetch, not merely advertised
Hosted in: ? Unknown · Cloudflare, Inc. (AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
Last checked: 5d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of witnessstandard.com controls every word below.

Ask WITNESS

Answer an agent question from governed evidence while preserving contradictions, competing explanations, and explicit unknowns.

evidenceclaimsunknownstrust

Examples it gives

What does the available evidence actually support?
What remains unknown about this claim?

Trace provenance

Trace a governed Evaluation to its evidence set, assertions, sources, and semantic edges.

provenanceevidencesources

Verify WITNESS Record

Retrieve immutable Record history and recompute canonical Record verification through the existing WITNESS Record engine.

recordsha-256verificationhistory

Resolve governed subject

Resolve a creator question to governed WITNESS subjects visible to the authenticated principal before investigation begins.

creator intelligenceentity resolutionsubjectsevidence

Examples it gives

Resolve the creator or work this question is about.

Start evidence investigation

Start a private evidence-bounded WITNESS investigation that can preserve competing explanations, uncertainty, and an explicit investigation handle.

investigationevidence-backed AIcompeting explanationsuncertainty

Examples it gives

Investigate why creator reach changed without assuming the first plausible explanation is true.

Watch material change

Create a recurring WITNESS Watch for an exact creator-intelligence question so material new evidence can reopen the investigation.

watchmaterial changepersistent intelligencecreator intelligence

Examples it gives

Watch whether the evidence supporting this distribution-shift Finding materially changes.

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider: WITNESS Standard — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 0.2.0
Auth schemes: bearer
Extensions: https://chat.witnessstandard.com/a2a/extensions/witness-evidence/v1
Carries governed WITNESS operation identifiers and evidence-result metadata without changing A2A core types.

A2A protocol extensions the card declares. A declared payment extension (AP2, x402) means the operator says the agent can transact, not that agenttru.st has seen it do so.
Card completeness: complete all eight fields required by a2a.proto v1.0

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Capabilities: extendedAgentCard extensions pushNotifications streaming
Agent card: https://witnessstandard.com/.well-known/agent-card.json

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