unionai-oss/pandera
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to unionai-oss/pandera got a first human reply in a median of 3.9 days (120 pull requests, 19 April to 16 October 2026); 23% got none within 14 days. It ranks 806 of 3,219 overall. For first-time contributors it ranks 788 of 1,525 (the bottom 49%).
| Rank | 806 of 3,219 |
|---|---|
| Score | 56.98 |
| Tier | B |
| Median first reply | 3.9 days (93.4 hours) |
| 14-day no-reply share | 23% |
| First-timer rank | 788 of 1,525 |
| Ecosystem | Python |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 806 of 3,219
- Score
- 56.98
- Tier
- B
- Coverage
- 84% · Ceiling A
- Quadrant
- Sweet Spot
Coordinates: leverage 56.6 (coverage 68%), friction 40.8 (coverage 100%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 61.1 | 100% |
| Criticality | 50.5 | 35% |
| Governance | 64.5 | 100% |
| Rigor | 61.7 | 100% |
| Accessibility | 46.3 | 100% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days. | 97.3% | 100.0 | 37 | 19 April to 18 July 2026 | primaryraw/pr_window/unionai-oss__pandera.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 23.4% | 53.1 | 128 | 20 April to 17 October 2026 | primaryraw/pr_window/unionai-oss__pandera.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 70.4% | 88.0 | 27 | — | primaryraw/author_history/unionai-oss__pandera.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 93.4 hours (3.9 days) | 26.0 | 120 | 19 April to 16 October 2026 | primaryraw/pr_window/unionai-oss__pandera.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 610.3 hours (25.4 days) | 27.7 | 91 | 19 April to 16 October 2026 | primaryraw/pr_window/unionai-oss__pandera.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Third-party data unavailable | ||||
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Third-party data unavailable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.5046 | 50.5 | — | — | proxy:no_dependents_signalraw/github_meta/unionai-oss__pandera.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 2 | 50.0 | 272 | — | primaryraw/commits_365d/unionai-oss__pandera.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Sign-off on commits (DCO) | 100.0 | — | — | primaryraw/governance/unionai-oss__pandera.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/unionai-oss__pandera.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | Written AI policy | 95.0 | — | — | primaryraw/governance/unionai-oss__pandera.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 65 | 65.0 | — | — | primaryraw/scorecard/unionai-oss__pandera.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 19.1% | 23.9 | 115 | 19 April to 16 October 2026 | primaryraw/pr_window/unionai-oss__pandera.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 0 | 0.0 | 30 | — | primaryraw/actions_runs/unionai-oss__pandera.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 80.0% | 100.0 | 10 | — | primaryraw/author_history/unionai-oss__pandera.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/unionai-oss__pandera.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | 37.5% | 75.0 | 8 | — | primaryraw/author_history/unionai-oss__pandera.json |
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 806 of 3,219 | 56.98 | B | Rated |
| First-timer | 788 of 1,525 | 56.16 | B | Rated |
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 795 of 3,696 | 58.20 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 58d6b151b67e5caa2fa912705084a2b5eca39b7a6a16ce2ac919c3ed5adfbf53
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/74.json, under the key unionai-oss/pandera.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). unionai-oss/pandera. Snapshot 2026-10-17. https://porchlamp.org/projects/unionai-oss/pandera/. CC BY 4.0.
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