Evidaxis
Dated record

database-lab-engine

repo · postgres-ai/database-lab-engine · paper: not linked · as of

Niche: not yet assigned.

3.9 commits per week averaged over the trailing window. No paper is linked in OpenAlex. Dependents: no admitted own package. 1 of 4 weekly observations; full commit series captured. 2,787 GitHub stars, recorded, not scored. Measured 2026-11-07 for database-lab-engine; sources linked below.

commits/wk 3.9 averaged, trailing window last commit week 2026-11-01 measured · GitHub ·
citations no paper linked all years, indexed to date no reading · OpenAlex ·
direct dependents not in the scored panel weekly axis input; partition 2026-11-07 no reading · deps.dev snapshot ·
stars 2,787 recorded, not scored measured · GitHub ·
Download values (CSV) JSON record Follow this system (feed) Report an error

Is database-lab-engine still maintained?

3.9 commits per week averaged over the trailing window.

GitHub averaged 3.9 per week over the trailing window; raw weekly counts below are individual weeks.

Last commit week 2026-11-01.

Commits in the latest captured week vs 4 weeks earlier: 1 · vs 26 weeks earlier: 1 · 52-week range: 0 to 8 commits in an individual week.

line chart: database-lab-engine, weekly commits, 3 in latest week, 2025-11-09 to 2026-11-01
database-lab-engine averaged 3.9 commits a week. GitHub commit_activity · .
Latest eight weeks
Week startingCommits
2026-09-136
2026-09-205
2026-09-272
2026-10-042
2026-10-115
2026-10-184
2026-10-256
2026-11-013
heatmap chart: database-lab-engine, weeks with commits, 20 of 26, 2026-05-10 to 2026-11-01
20 of the last 26 captured weeks had commits for database-lab-engine. GitHub commit_activity · .
All 52 weeks
Weekly commits
Week startingCommits
2025-11-090
2025-11-163
2025-11-232
2025-11-302
2025-12-071
2025-12-143
2025-12-210
2025-12-281
2026-01-043
2026-01-111
2026-01-183
2026-01-255
2026-02-010
2026-02-080
2026-02-151
2026-02-225
2026-03-017
2026-03-087
2026-03-150
2026-03-225
2026-03-295
2026-04-057
2026-04-124
2026-04-193
2026-04-262
2026-05-032
2026-05-103
2026-05-175
2026-05-241
2026-05-310
2026-06-070
2026-06-141
2026-06-210
2026-06-280
2026-07-058
2026-07-125
2026-07-191
2026-07-262
2026-08-021
2026-08-090
2026-08-160
2026-08-235
2026-08-303
2026-09-066
2026-09-136
2026-09-205
2026-09-272
2026-10-042
2026-10-115
2026-10-184
2026-10-256
2026-11-013

GitHub commit_activity · period 2025-11-09 to 2026-11-01 · n = 52 weeks · method weekly totals; reconstructed dates · updated · version 868e3c39d9c7-b1 · CSV

Readings

Recorded values and sources
ReadingValueΔ 4 weeksΔ 26 weeks52-week rangeInstrumentDateReproducePrevious reading
Commits per week3.91.1-0.11.5 to 4.2GitHub, trailing 12 weeks2026-11-07Public queryno reading
Citing worksno readingno readingno readingno readingOpenAlex, all years2026-11-07Public queryno reading
Weekly direct dependentsno readingno readingno readingno readingWeekly direct dependents2026-11-07Public queryno reading
Daily package dependents (unscored)no readingno readingno readingno readingdeps.dev REST, unscorednot capturedPublic queryno reading
Stars2,787no readingno reading2,787 to 2,787GitHub stars, unscored2026-11-07Public queryno reading

Evidaxis snapshot · period 2026-11-07 · n = 1 system · method source linked readings · updated · version 868e3c39d9c7-b1

How to cite database-lab-engine's record?

Evidaxis. database-lab-engine measurement record. Snapshot 2026-11-07. urn:evidaxis:claim:e_30HM4C7QYAY:m5:2026-11-07. CC0-1.0. https://evidaxis.org/e/e_30HM4C7QYAY/

Evidaxis · period 2026-11-07 · n = 1 system · method claim URN · updated · version 868e3c39d9c7-b1

What changed since the last snapshot?

No previous snapshot reading is available for this system.

slope chart: database-lab-engine, measured values, 2, 2026-11-07
First observation 2026-11-07 for database-lab-engine; 2 measured values. Evidaxis snapshots · .
Snapshot values
MetricPreviousCurrentDelta
Commits per weekno reading3.9no reading
Citing worksno readingno readingno reading
Weekly direct dependentsno readingno readingno reading
Starsno reading2,787no reading

Evidaxis snapshots · period 2026-11-07 to 2026-11-07 · n = 1 partition · method paired snapshot values · updated · version 868e3c39d9c7-b1 · History CSV

Take the data or follow changes

Values and captured history are available under CC0-1.0. The system feed records changes to published numbers.

Values CSVHistory CSVJSON recordAtom feedJSON FeedAdd Evidaxis as a preferred source on GoogleReport an error

Evidaxis · period 2026-11-07 · n = 1 system · method CC0-1.0 open export · updated · version 868e3c39d9c7-b1

For teams tracking many systems

Use the cohort CSV, snapshot archive and membership manifest to reproduce observations across systems.

Cohort CSV · Snapshot archive · Membership manifest

Paper and links

Source records identify the system, repository and linked works; no paper authors are published.

What is not measured for database-lab-engine, and why

Missing readings describe instrument coverage. A missing value is not a measured zero.

Unmeasured slots
ReadingReason
Citing worksnot linked
Weekly direct dependentsoutside panel
Daily package dependents (unscored)no reading captured

Dependents: no admitted own package.

Gate ETA: never published; Evidaxis makes no public actionable prediction.

Dependents ecosystem composition: no reading; this field is not present in the snapshot.

Evidaxis · period 2026-11-07 · n = 1 system · method measurement coverage · updated · version 868e3c39d9c7-b1

Measurement detail

Gate, gauges, percentile, derived signals and snapshot receipt

History: 1 of 4 weekly observations. Axis coverage: 1 of 3 axes measurable. Gate: not computable - history 1 of 4 weekly observations

1 of 4 weekly observations; full commit series captured.

database-lab-engine

repo
Unassigned (AI-v1 census) · n = 6545 · postgres-ai/database-lab-engine
1 of 3 axes measurable · conf low
convergence gate
Convergence gate: Gate: not computable - history 1 of 4 weekly observations Development velocity: measured × Citation momentum: not measurable ∅ Direct-dependents momentum (deps.dev): not measurable ∅
gate
0 of 3 axes

Gate: not computable - history 1 of 4 weekly observations

· Evidaxis snapshot · 2026-11-07
Gate: not computable - history 1 of 4 weekly observations
position in cohort distribution one of 6545 in cohort
percentile 85 within cohort p25 p50 p75 p0 p100
percentile
p85
· Evidaxis snapshot · 2026-11-07
momentum averages present-axis z-scores; two- and three-axis scores are not strictly comparable
velocity z
velocity z gaugevelocity z+2.69 within cohort, log-slope +0.042/wk.0+2.69
velocity z
+2.69 σ
slope
+0.042/wk
· Evidaxis snapshot · 2026-11-07
log-slope +0.042/wk
citation z Citation source: not measured.
direct-dependents z Direct-dependents axis: no admitted own package; not measured.
cohort
6545
systems measured
weekly commits
3.9
Development velocity axis: measured.
total citations
no reading
Citation source: not measured.
momentum
83.6
percentile p85
commit heatmap, last 26 weeks3.9/wk
weekly commits, 26 weeks26 weeks of commits, peak 8 in a week, 20 active weeks, 74 total.week 1: 3 commitsweek 2: 5 commitsweek 3: 1 commitsweek 4: 0 commitsweek 5: 0 commitsweek 6: 1 commitsweek 7: 0 commitsweek 8: 0 commitsweek 9: 8 commitsweek 10: 5 commitsweek 11: 1 commitsweek 12: 2 commitsweek 13: 1 commitsweek 14: 0 commitsweek 15: 0 commitsweek 16: 5 commitsweek 17: 3 commitsweek 18: 6 commitsweek 19: 6 commitsweek 20: 5 commitsweek 21: 2 commitsweek 22: 2 commitsweek 23: 5 commitsweek 24: 4 commitsweek 25: 6 commitsweek 26: 3 commits
weeks
26
peak/wk
8
active
20
total
74
· Evidaxis snapshot · 2026-11-07
citations by yearCitation source: not measured.
recency-weighted swing trailing 13-week vs prior 39-week log-slope ratio +108.36, regime accelerating. prior slope +0.001, recent slope +0.088 per week. +0.001prior 39w+0.088recent 13w+108.36×
swing
+108.36×
regime
accelerating
windows
13w vs 39w
snapshot 1 of 1 · · m5
commit-axis Sharpe log-linear slope over residual std, value +0.013 with 95% CI -0.012 to +0.037, 50 degrees of freedom. CI spans zero.0+0.01395% CI -0.012, +0.037-0.012+0.037
sharpe
+0.013
95% ci
-0.012, +0.037
dof
50
snapshot 1 of 1 · · m5
commit changepoint52 weekly commit points. No significant changepoint detected (|delta slope| within the noise floor).no significant changepoint
changepoint
none detected
snapshot 1 of 1 · · m5
code-leads-citation lag reserved

reserved: citation series too short / axis absent for cross-correlation

status
reserved
value
insufficient data
snapshot 1 of 1 · · m5
axis alpha vs cohort reserved

reserved: cohort N too small for regression (power ~0)

status
reserved
value
insufficient data
snapshot 1 of 1 · · m5
methodology gate snapshot 1 of 1 · · m5
commit weeks
52
citation years
0
shipped
3
reserved
3

shipped

  • recency-swing
  • commit-sharpe
  • commit-changepoint

reserved

  • code-leads-citation-lag
  • axis-alpha
  • gate-eta
snapshot 1 of 1 · · m5

Direct-dependents momentum (deps.dev)

Direct-dependents axis: no admitted own package; not measured.

Coverage state
out_of_panel
Cohort z
no axis
OLS slope
no reading
Theil-Sen slope
no reading
Latest direct dependents
no reading
Confirmed-clean points
no reading
Reconstructed history points
no reading
As-of partition
no reading
Fragility veto
no reading
Rising vote
no

Source: deps.dev (Google), CC-BY 4.0. Modified: aggregated to system-level counts and momentum scores.

Axis definition · Snapshot axis correlations

Evidaxis · period 2026-11-07 · n = 1 system · method measurement detail · updated · version 868e3c39d9c7-b1 · record JSON · snapshot receipt