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Add PR intake evidence and frontier checkpoints for PRs 4359, 4416, 4470, 4610, 5413 - #1

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Change and mathematical scope

This PR adds comprehensive PR intake evidence documentation and frontier checkpoint certificates for five pull requests (4359, 4416, 4470, 4610, 5413). The changes include:

Additional changes:

  • Updated pr-intake-decisions.json with intake decisions for these PRs
  • Added frontier checkpoint certificates and source files for PRs 4359, 4470, 4610, 5413
  • Updated agent-task-catalog.json and pr-intake-checkpoint.json with current status
  • Added GitHub Actions workflows for frontier checkpoints and research tasks
  • Updated documentation: current-priorities.md, current-status.md, README.md, CONTRIBUTORS.md
  • Added research documentation on isolated test windows, POSIX pipes, Git repository binding, and other technical topics

Status: Audit and tooling - Evidence collection and validation for multiple PR intake decisions.

Task and overlap

Base commit: Latest research state with multiple concurrent PR intake processes.

Scope: Unchanged - This is documentation and evidence collection for existing PR intake decisions, not a change to the core research hypotheses.

The changes consolidate evidence from parallel PR review processes (4359, 4416, 4470, 4610, 5413) into a unified checkpoint state. Each PR's evidence is independently validated through its own test suite and replay mechanisms.

Validation

Evidence validation is embedded in each PR's documentation:

All evidence files are JSON/log formatted with schema versioning for reproducibility.

Credit

This work consolidates evidence from the research team's parallel PR intake processes. Source licenses retained in all certificates and evidence files.

Open next questions

  1. Integration of frontier checkpoints into the main selection pipeline
  2. Validation of cross-PR dependencies (e.g., PR Conditional κ = 0.00268647 via paid target padding after native composition CrocSwap/integer-mult-bounds#4416 depends on PR Conditional κ = 0.0023 (+5.690e-4, +32.87% over #4181): productive helper jobs compiled into a uniform supplier CrocSwap/integer-mult-bounds#4359)
  3. Resource constraint analysis for PR Complete coupled-output caller: conditional κ = 0.003027288235 (+5e-12 over #5400) CrocSwap/integer-mult-bounds#5413's portable replay mechanisms

Workflow feedback

The parallel evidence collection process worked well for independent PRs. Consider automating the consolidation of evidence files into checkpoint certificates to reduce manual coordination overhead.

https://claude.ai/code/session_01NGucs6E49BNE3ev5xk8Afu

jwr404 and others added 30 commits October 23, 2026 17:12
Each verify.py asserted the working-tree selected kappa (60403/20000000,
23/10000 or older), and four hashed provenance rows against the working tree.
SOURCES.json already marks certificates/selected-result.json as provenance,
which scripts/research_package.py checks at base_commit, so every frontier
change broke these replays. Results, pins and evidence are unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…alar rewiring (negative result, no new kappa)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
…udit

Source-bind the public PR5413 bytes; rerun only the tiny independent necessary-price checker. Retain written conditional source application and original execution evidence separately.
…ew scope [skip ci]

Scientific validation and selected-frontier admission remain open.
…ew scope [skip ci]

Scientific validation and selected-frontier admission remain open.
rank7-v45-margin and selected-record-parse-cache were missed by CrocSwap#5410
because their TASK.json author field is "jwr". Both pinned the selected
record (and rank7 the family-status page) as live inputs, so every frontier
change broke them. The pins become provenance, checked at base_commit by
scripts/research_package.py. The parse-cache payload is still the live
record; its one-digit mutation no longer hard-codes the old decimal.
Results are unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Publish abstract profile hypotheses, sanitized conditional price projection and normalized6^t proof only. Preserve public Powers/comparator origins; exclude unreleased physical programs.
These verifiers pinned certificates/selected-result.json as a live input,
so every frontier change broke them. Each SOURCES.json row becomes
provenance (checked at base_commit by scripts/research_package.py), the
stale live hash checks are removed, and each live read is replaced by the
pinned record's value, so every downstream check is unchanged. Results are
unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Exact rational certificates and quantified gross-integer mixed-budget proof; public PR5418 model with separate origin. No pricing, physical data or full compiler admission.
thu-nmrc and others added 30 commits October 25, 2026 20:38
…ew scope [skip ci]

Scientific validation and selected-frontier admission remain open.
…ew scope [skip ci]

Scientific validation and selected-frontier admission remain open.
The planner requires Git-tracked repo-relative inputs; "MANIFEST.json" broke the
onboarding tests (test_research_matrix_batches) for every PR based on current main.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Prepared for @CubeJerry with substantial OpenAI Codex assistance.
Credit Matarener's PR5285 census, eumemic's source geometry/generator,
and DreamingOfClouds' PR589 word. No new kappa.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…th controls, metadata

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The planner requires Git-tracked repo-relative inputs; "MANIFEST.json" broke the
onboarding tests (test_research_matrix_batches) for every PR based on current main.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Prepared by DreamingOfClouds with Claude Opus 5.5 (Anthropic), via Claude Code.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ruples, C5 run 2)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ew scope [skip ci]

Scientific validation and selected-frontier admission remain open.
…ontract (no new kappa)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NGucs6E49BNE3ev5xk8Afu
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NGucs6E49BNE3ev5xk8Afu
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NGucs6E49BNE3ev5xk8Afu
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