opencv/opencv_contrib
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to opencv/opencv_contrib got a first human reply in a median of 3.1 days (21 pull requests, 18 April to 15 October 2026); 53% got none within 14 days. It ranks 2,038 of 3,219 overall. For first-time contributors it ranks 1,271 of 1,525 (the bottom 17%).
| Rank | 2,038 of 3,219 |
|---|---|
| Score | 46.81 |
| Tier | C |
| Median first reply | 3.1 days (73.3 hours) |
| 14-day no-reply share | 53% |
| First-timer rank | 1,271 of 1,525 |
| Ecosystem | C and C++ |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 2,038 of 3,219
- Score
- 46.81
- Tier
- C
- Coverage
- 100% · Full
- Quadrant
- Graveyard
Coordinates: leverage 45.6 (coverage 100%), friction 50.9 (coverage 100%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 43.7 | 100% |
| Criticality | 44.1 | 100% |
| Governance | 59.3 | 100% |
| Rigor | 39.2 | 100% |
| Accessibility | 47.6 | 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. | 51.2% | 64.0 | 43 | 18 April to 17 July 2026 | primaryraw/pr_window/opencv__opencv_contrib.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 53.4% | 0.0 | 88 | 20 April to 17 October 2026 | primaryraw/pr_window/opencv__opencv_contrib.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 45.5% | 56.8 | 22 | — | primaryraw/author_history/opencv__opencv_contrib.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 73.3 hours (3.1 days) | 34.7 | 21 | 18 April to 15 October 2026 | primaryraw/pr_window/opencv__opencv_contrib.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 273.6 hours (11.4 days) | 59.2 | 35 | 18 April to 15 October 2026 | primaryraw/pr_window/opencv__opencv_contrib.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Not applicable | ||||
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Not applicable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4407 | 44.1 | — | — | proxy:no_dependents_signalraw/github_meta/opencv__opencv_contrib.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 | 132 | — | primaryraw/commits_365d/opencv__opencv_contrib.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | No CLA or sign-off found | 85.0 | — | — | primaryraw/governance/opencv__opencv_contrib.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/opencv__opencv_contrib.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | No written AI policy | 40.0 | — | — | primaryraw/governance/opencv__opencv_contrib.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 60 | 60.0 | — | — | primaryraw/scorecard/opencv__opencv_contrib.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 8.5% | 10.6 | 47 | 18 April to 15 October 2026 | primaryraw/pr_window/opencv__opencv_contrib.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 35 | 35.0 | 30 | — | primaryraw/actions_runs/opencv__opencv_contrib.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 44.4% | 88.9 | 18 | — | primaryraw/author_history/opencv__opencv_contrib.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/opencv__opencv_contrib.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/opencv__opencv_contrib.json |
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 2,038 of 3,219 | 46.81 | C | Rated |
| First-timer | 1,271 of 1,525 | 46.78 | C | 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 | 2,561 of 3,696 | 44.92 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- fadaac836ca3caf2562d3a7482a6669ef6811d180d682bf47b37069b3fb24a5d
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/d3.json, under the key opencv/opencv_contrib.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). opencv/opencv_contrib. Snapshot 2026-10-17. https://porchlamp.org/projects/opencv/opencv_contrib/. CC BY 4.0.
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