Truth Span Mark

Resolve a quote selector against captured evidence and append one immutable evidence span for claim support.

MCP name: truth_span_mark

Category: truth

Mutates state (retry policy: manual)

Parameters

Name	Type	Required	Description
author_kind	str	No	Explicit human, agent_run, or unknown authorship for mixed evidence.
author_ref	str	No	Durable author reference when author_kind needs one.
evidence_id	str	Yes	Evidence record whose text contains the span.
producer_call_id	str	No	Optional durable model call identifier.
producer_model	str	Yes	Required model claim for the agent authoring this write. It must match a non-placeholder session-manifest model; otherwise it is treated as caller_asserted, not authenticated.
selector	dict	Yes	Composite selector with exact and optional prefix, suffix, start, and end fields.
snapshot_text	str	No	Matching source text for hash-only evidence.
store_id	str	Yes	Registered Truth store identity.