Step 047 — Photon as null transport

The photon is not a persistent material defect bundle.

Book / layer. Book IV · E1
Macro step. CS-05 — Recover Internal Physical Grammar
Short routes. https://prrp.site/s47 · https://prrp.site/s047

Status tags. readout

Construction role

The photon is not a persistent material defect bundle. It is the B-sector null-transport mode of the carrier boundary: a degenerate fiber character (m,n)=(0,0) with zero mass, no fiber obstruction, limiting-speed propagation, and no rest frame. Its in-transit reality is transport-real rather than persistent-object-real: the mode is localized at emission/absorption or measurement interfaces, not as a free-standing object observed from the side. Nullness is structural – a consequence of the $j^2$ idempotent geometry and B-sector transport grammar – not a primitive kinematic postulate.

What this step earns

Photon as null transport is made addressable as Step 047 in the fine-grained Construction Spine routing layer.

• Routing scaffold. Detailed earned-output extraction is pending the source-map pass.

What this step does not yet establish

This route exposes the RC3 construction step for inspection. It does not by itself establish peer review, empirical adequacy, or final manuscript-level source closure.

Source anchors

• Full Construction Spine RC3 whitepaper source (papers/whitepapers/panta-rhei-construction-spine-e0-e3/main.tex:684)

Manuscript extraction state: Detailed source anchors pending extraction.

Anchor classification: whitepaper source resolved; manuscript extraction pending; Registry extraction pending; TauLib extraction pending.

Formalization and verification

Registry links: Registry extraction pending.

TauLib modules: TauLib module extraction pending.

Dependencies

• Previous: Step 046 — Defect-bundle formalism
• Next: Step 048 — Neutron as minimal stable defect

Navigate

• 100-Step Routing Ledger
• Ten-step Construction Spine