Diagram 11 Work-block lifecycle

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The specification Contents: parts, tables, diagrams TPS 0.5.0 (declared 2026-10-03, revision 8; machine-optimized text) Decisions (the foundations record, one line each)

Structural diagram 11 of 13. Part of the TPM hub.

• KIND: process
• LANGUAGE: Mermaid
• GENERATED FROM: per-UWC schedule log; TPS 5.9.2, 5.9.4
• STATUS: hand-authored at TPS 0.1.0; checked against TPS 0.3.0 on 2026-09-28: still true (the state OWNED_BY stands for OWNED BY); superseded by TPX at its first build
• SOURCE SHA-256: 3f368714be77efaed56b384ea93c06dd7623d4cb20298f9bd43fdcf30ea9b57a

Rendered live from the source, which is the text equivalent and is shown under the drawing. The key to the shapes is in the panel.

Source (the text equivalent; Mermaid)

%% 11 Work-block lifecycle. process/Mermaid state. Generated from: per-UWC schedule log; TPS 5.9.2, 5.9.4.
stateDiagram-v2
  [*] --> COMMISSIONED : lead writes the assignment (5.8.3)
  COMMISSIONED --> OWNED_BY : assignee starts, local draft carries the block ID (5.9.3)
  OWNED_BY --> LANDED : landing accepted before ETA (5.9.5)
  OWNED_BY --> EXPIRED : server time passes ETA (5.9.4)
  EXPIRED --> COMMISSIONED : recommissioned with a new block ID and back-pointer (5.9.4)
  EXPIRED --> LANDED : post-refusal procedure lands under a new block ID (5.9.7)
  LANDED --> [*]

Text equivalent

A block is COMMISSIONED when the lead writes its assignment (5.8.3), OWNED BY its assignee while the local draft carries its block ID (5.9.3; the drawing's state OWNED_BY), LANDED when its landing is accepted before its ETA, the block's deadline (5.9.5), and EXPIRED when server time passes the ETA (5.9.4). An expired block is recommissioned with a new block ID and a back-pointer, or lands through the post-refusal procedure (5.9.7).