SUBSTRATE — Sagar Tailor, home

02Current location: Engine level, projects

02engine

CONTRACTSprojects

Three projects, in depth. Each states what it does, who built which part, and where every claim about it can be checked.

  1. CONTRACT 01

    Live

    deadlockd

    A real-time deadlock simulator and concurrency visualiser.

    Domain
    Concurrency
    Level
    03 · Substrate
    Sourced
    14 statements
    Dossier
    8/10 sections

    RoleSole author — engine, WebSocket bridge and client

    Sole author. Six of six commits, engine and client.

    Open dossier

  2. CONTRACT 02

    In progress

    APIx

    A quality-adjusted airfare price index for India, and the auditable pipeline that produces it.

    Domain
    Official statistics
    Level
    02 · Engine
    Sourced
    17 statements
    Dossier
    9/10 sections

    RoleData acquisition, ingestion, and the analysis tooling that verifies it

    Three contributors. I am the largest by commits and own the acquisition boundary; the statistical core and the interface work are not mine.

    Open dossier

  3. CONTRACT 03

    In progress

    VAYU-DRISHTI

    A satellite air-quality platform for India — surface AQI, formaldehyde hotspots and active-fire monitoring.

    Domain
    Geospatial platform
    Level
    02 · Engine
    Sourced
    14 statements
    Dossier
    9/10 sections

    RolePlatform layer — API, data layer, observability, container environment

    Four contributors. I own the platform everything else runs on; the machine learning and the AQI calculation are not mine.

    Open dossier

“Sourced statements” counts the assertions on each dossier that carry a file or commit behind them. It is not a quality score — it is the number of things on that page you can go and check. All of them are listed in the evidence index.

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