Mechanism

An N-party coordination ceremony in the disclosed architecture admits governance-credentialed observations from N authority-credentialed parties, where N is three or more, and applies a coordination-pattern selector. The coordination-pattern selector applies a governance-policy-defined coordination pattern specifying the roles of each party and the rules for producing the coordinated outcome. The primitive operates across consensus-required decisions, quorum-based resolutions, auctions, role-differentiated coordinations, lead-and-follower formations, custody-transfer chains, federated-contribution aggregations, multi-authority approvals, multi-source attestation aggregations, and governed voting. Each pattern is parameterized by governance policy rather than fixed in the architecture: the same primitive is reused across coordination scenarios by supplying a different pattern, role assignment, outcome function, and membership composition. A role-differentiated attestation schema specifies per-role observation content for each participating party, and a per-participant admissibility evaluator applies the composite admissibility evaluator to each contributed observation before admission.

The governance chain is shared across coordination patterns. Each coordination ceremony, regardless of the selected pattern, attaches to the chain through governance-credentialed observations that resolve to the same authority hierarchy. The architecture does not partition the chain by pattern; instead, the coordination-pattern selector carries the governance-policy-defined pattern, and per-participant admissibility evaluation is applied to each contributed observation. A coordination-lineage recorder records each participant admission, attestation, outcome determination, round transition, Byzantine event, abandonment, membership change, composition, and cross-domain handoff in the governance-chain lineage field. The coordinated outcome is produced by a coordination-outcome function evaluating contributed observations per the governance-policy-defined function, with a weighted-participation mechanism supporting authority-tier-weighted contributions.

A cross-pattern composition mechanism combines multiple coordination patterns within a single ceremony. The N-party coordination settlement primitive extends the matched-pair settlement primitive of the disclosure to arbitrary N-party ceremonies, and it composes with that matched-pair settlement primitive through pairwise component settlements within multi-party ceremonies. Inter-pattern references are recorded as ordinary lineage relations; downstream audit traverses the coordination-lineage records to reconstruct the composite coordination history.

Operating Parameters

The coordination pattern, role assignment, outcome function, and membership composition are specified by per-deployment governance-policy parameterization, without architectural modification. The participant count N is three or more. A Byzantine-robust coordination mechanism tolerates a governance-policy-defined fraction of adversarial or failed participants, and a partial-quorum and abandonment handler manages incomplete coordination ceremonies. The disclosure recites these tolerances and quorum thresholds as governance-policy-defined; it does not fix specific participant counts, quorum fractions, or timing windows in the architecture. A multi-round coordination engine supports iterated coordination ceremonies converging to a terminal outcome, and a dynamic-membership mechanism supports member replacement during ceremonies. Spatial proximity and temporal proximity of participants are verified by a spatial-proximity evaluator and a temporal-proximity evaluator, grounding the coordination in physical spatiotemporal proximity.

Participant admission is governance-credentialed and role-differentiated. A participant-admission interface ingests governance-credentialed observations from the N authority-credentialed parties, and the role-differentiated attestation schema specifies the per-role observation content required of each party. The per-participant admissibility evaluator applies the composite admissibility evaluator to each contributed observation before admitting it to the ceremony, so that admission is conditioned on the contributing party's authority within the governance chain.

Alternative Embodiments

The coordination patterns are governance-policy-defined and are not fixed by the architecture. The same primitive admits patterns across consensus-required decisions, quorum-based resolutions, auctions, role-differentiated coordinations, lead-and-follower formations, custody-transfer chains, federated-contribution aggregations, multi-authority approvals, multi-source attestation aggregations, and governed voting, by supplying the appropriate governance-policy parameterization. A pairwise component of a multi-party ceremony settles through the matched-pair settlement primitive, which itself supports an escrow and chained-settlement mechanism providing conditional release and cross-settlement dependencies. New coordination patterns are admitted by governance-policy update rather than by architectural modification.

In one embodiment, the coordination pattern, role assignment, outcome function, and membership composition are supplied by per-deployment governance-policy parameterization, allowing a deployment to apply different patterns to different coordination scenarios without architectural modification. In another embodiment, a cross-pattern composition mechanism combines multiple coordination patterns within a single ceremony, so that a single coordination scenario may exercise more than one pattern under a shared coordination-lineage record. A weighted-participation mechanism supporting authority-tier-weighted contributions and a multi-round coordination engine supporting iterated ceremonies converging to a terminal outcome are likewise governance-policy-parameterized.

Composition With Mesh Operation

Coordination-pattern plurality composes with the broader mesh operation through the shared governance-chain lineage. Each coordination ceremony, regardless of pattern, is recorded by the coordination-lineage recorder into the governance-chain lineage field. Credential revocation operates through a credentialing authority emitting a revocation governed observation, after which each consuming device down-weights or invalidates previously-admitted observations emitted under the revoked credential, in accordance with a governance-policy-defined retroactive-effect window. Revocation thus reaches coordination records authored under the revoked credential regardless of pattern.

The mesh-derived time primitive is shared across patterns. Temporal proximity of participants is verified by the temporal-proximity evaluator against the mesh-derived time reference, which is produced jointly with the mesh-derived coordinate primitive through joint spacetime reference production. Disputes raised against matched-pair settlements follow the dispute-resolution mechanism of the matched-pair settlement primitive, supporting governance-credentialed challenge and resolution; the dispute is recorded against the same governance chain.

Implementation Details

The coordination-pattern selector applies a governance-policy-defined coordination pattern, and the pattern, role assignment, outcome function, and membership composition are supplied through per-deployment governance-policy parameterization. Because the patterns are defined by governance policy rather than fixed in the architecture, a deployment evolves its supported coordination patterns over its operational lifetime by governance-policy update rather than by architectural modification. Governance-policy changes are themselves governance-credentialed and are recorded in the governance chain.

Per-participant admissibility evaluation applies the composite admissibility evaluator to each contributed observation, conditioning admission on the contributing party's authority context within the governance chain. A Byzantine-robust coordination mechanism tolerates a governance-policy-defined fraction of adversarial or failed participants, and a partial-quorum and abandonment handler manages incomplete coordination ceremonies. The coordination-lineage recorder records each participant admission, attestation, outcome determination, round transition, Byzantine event, abandonment, membership change, composition, and cross-domain handoff into the governance-chain lineage field, providing an auditable record of both completed and incomplete coordination ceremonies.

Outcome determination is performed by the coordination-outcome function, which evaluates the contributed observations to determine the coordinated outcome per the governance-policy-defined function, with the weighted-participation mechanism supporting authority-tier-weighted contributions. Because the outcome function and quorum semantics are governance-policy-defined, coordination patterns carrying different outcome and quorum semantics are admitted through governance-policy parameterization rather than through architectural modification of the surrounding primitive.

Distinction Over Prior Art

The N-party coordination settlement primitive is structurally distinguished from prior multi-party architectures in several respects. Prior blockchain consensus protocols, including proof-of-work, proof-of-stake, and Byzantine fault tolerance variants, require global agreement about shared state across all network participants, whereas the present primitive requires coordination among specific named parties only. Prior multi-signature cryptographic schemes, including m-of-n and threshold signatures, cryptographically aggregate signatures without attaching authority-chain semantics, whereas the present primitive produces governance-credentialed settlements with per-participant authority attribution. Prior auction protocols handle specific single-commodity auctions without governance-chain integration, whereas the present primitive generalizes across coordination patterns with governance-chain preservation. Prior voting protocols handle public-choice selection without multi-pattern composition, whereas the present primitive admits composition across coordination patterns. Prior multi-party computation protocols enable privacy-preserving joint computation without coordination semantics, whereas the present primitive integrates coordination with privacy governance.

The present primitive further differs in that the coordination pattern is governance-policy-defined and parameterizable rather than fixed: prior architectures do not support role-differentiated attestation with pattern-agnostic outcome-function parameterization, whereas the present primitive admits role-differentiation and pattern-parameterization. Prior architectures do not integrate multi-round coordination, Byzantine robustness, partial-quorum handling, and dynamic membership through a unified mechanism, whereas the present primitive integrates these. Prior architectures do not support cross-domain coordination handoff preserving governance continuity across authority boundaries, whereas the present primitive supports such handoff. Finally, prior architectures do not ground coordination in physical spatiotemporal proximity, whereas the present primitive requires participant spatial-temporal proximity, grounding coordination in physical reality.

Disclosure Scope

The mechanism described above is disclosed as a feature of the N-party coordination settlement primitive within U.S. Provisional Application No. 64/049,409. The coordination-pattern selector, the role-differentiated attestation schema, the per-participant admissibility evaluation, the coordination-outcome function, the Byzantine-robust coordination and partial-quorum handling, the dynamic-membership and multi-round coordination mechanisms, the cross-pattern composition mechanism, and the coordination-lineage recorder are each disclosed. The cross-domain coordination handoff instances recited in the disclosure include intermodal freight handoff, airspace-transition handoff, and medical patient-transfer handoff, among other governance-policy-defined cross-domain handoffs.