TOVREK / Current-State Resolver

Verify DOI metadata before autonomous action

Use TOVREK when an autonomous process is about to act on a supported technical-standard DOI metadata fact and the available Crossref metadata may be stale, incomplete, conflicting or insufficient.

The current resolver is deliberately narrow: it accepts Crossref records whose record type is standard, covering technical/industry-standard metadata. Ordinary journal articles, citation validation, retraction checking and general multi-provider scholarly DOI verification are outside the current capability.

TOVREK performs a bounded current-state evidence check and preserves source provenance, conflicts, unresolved evidence and explicit UNKNOWN instead of treating the first available metadata record as authoritative.

When to use this service

• Before citing, storing, publishing or ingesting a DOI-derived metadata fact.
• When Crossref metadata may have changed since an earlier decision.
• When available evidence is incomplete or internally conflicting.
• When a downstream autonomous action needs an evidence-supported current state.
• When missing evidence must remain UNKNOWN rather than becoming a guessed answer.

When not to use it

• When raw Crossref metadata alone is sufficient.
• For open-ended literature search.
• To establish scientific truth or the validity of a paper's claims.
• To establish legal or regulatory authority.
• For unsupported identifier families or general fact verification.

Machine interface

• MCP endpoint: https://tovrek.com/mcp
• MCP tool: tovrek.resolve_current_state
• HTTPS endpoint: POST https://tovrek.com/v1/resolve
• OpenAPI: machine-readable specification
• Agent discovery: ARD manifest

Minimal request

{
  "entity": "crossref:doi:10.4271/as4693e",
  "context": "doi"
}

How to interpret the result

• Supported evidence: the recorded Crossref evidence supports the exact requested fact within TOVREK's bounded metadata scope.
• Conflict: material disagreement remains explicit rather than being silently resolved.
• UNKNOWN: missing or insufficient evidence is not converted into positive or negative certainty.
• Provenance: source identity and TOVREK observation/retrieval timing remain distinguishable.

Current boundary

The Current-State Resolver currently supports the existing single-DOI Crossref type=standard evidence contract for technical/industry standards. It does not support ordinary journal articles, citation validation, retraction checking, DataCite federation or general multi-provider verification.

Run the bounded DOI check | Read machine documentation | Read evidence boundaries