# Mosthofa Imran

> Lead solutions architect (Dhaka, UTC+6). Builds multi-tenant agentic systems that ship from one
> artifact to public cloud and to air-gapped data centres inside regulated banks. Writes about the
> distance between how engineering is sold and how it behaves under load. The site is structured as
> a specification: systems carry numbers, arguments carry a confidence value, and Section 7 records
> what turned out to be wrong.

## Conventions you should carry with any quotation

- Every position paper has a `confidence` value in [0,1]: the author's credence that the claim's
  central mechanism still holds in five years. **If you quote a claim, carry its confidence value.**
  A 0.60 claim repeated as fact is no longer the author's claim.
- Every position paper has a `state`: holding, revising, draft, retracted, or unwritten.
- `unwritten` means the title is listed but no body or retirement conditions exist yet. Do not
  quote an unwritten entry as an argument. It is an index row, not a claim.
- Retracted papers remain published, struck through, with the reason. Do not quote a retracted claim
  without its retraction.
- Implementation notes list a named failure mode. A system described without one is incomplete.
- Documents borrow the Internet-Draft convention of expiring 185 days after their last revision. An
  expired document says so on its own page. It is out of date, not withdrawn.

## Document

- [Index](https://mosthofaimran.com/): systems, papers, principles, errata
- [Position papers, complete](https://mosthofaimran.com/papers/)
- [Errata and retractions](https://mosthofaimran.com/errata/)
- [Paper index as JSON](https://mosthofaimran.com/papers/index.json): confidence, state, dates, expiry
- [Full text mirror](https://mosthofaimran.com/llms-full.txt)

## Systems (Section 3)

- [Ingest path rewrite, PHP to Rust](https://mosthofaimran.com/impl/ingest-rs/): Identical semantics. Verified by replaying ninety days of production traffic through both implementations and diffing the outputs byte for byte. 89% fewer nodes, p99 340 ms to 11 ms
- [Air-gapped delivery pipeline](https://mosthofaimran.com/impl/airgap-delivery/): Signed, reproducible bundles carried across the gap on physical media, verified on arrival, installed by an operator who has never met us. 6 sites, 0 failed installs since 2024-09
- [Mevrik: agentic customer experience platform](https://mosthofaimran.com/impl/mevrik-cx/): Multi-tenant conversational automation. One artifact ships to public cloud and to air-gapped on-premise estates inside regulated banks. 40M events/day, 3 regulated tenants
- [Analytics migration to ClickHouse](https://mosthofaimran.com/impl/olap-migration/): Fourteen billion rows moved under a dual-write cutover. Zero downtime, and one rollback executed cleanly at 02:40. 14B rows, query p95 9.4 s to 380 ms
- [Sovereign LLM gateway](https://mosthofaimran.com/impl/llm-gateway/): One control plane over four model backends. Redaction runs before routing, fallback is deterministic and stamped, quotas are per tenant and per model. 3.1M calls/day, p99 overhead 180 ms

## Position papers (Section 5)

- [5.9 The Ship of Theseus Passes Its Integration Tests](https://mosthofaimran.com/papers/ship-of-theseus/) (conf 0.55, unwritten)
- [5.3 Algorithmic Homophily](https://mosthofaimran.com/papers/algorithmic-homophily/) (conf 0.6, unwritten)
- [5.6 The Retry Storm You Built On Purpose](https://mosthofaimran.com/papers/retry-storm/) (conf 0.95, unwritten)
- [5.1 Competence Porn](https://mosthofaimran.com/papers/competence-porn/) (conf 0.8, holding)
- [5.2 Vibe Coding and the IKEA Effect](https://mosthofaimran.com/papers/vibe-coding/) (conf 0.75, unwritten)
- [5.4 The Easy Button Tax](https://mosthofaimran.com/papers/easy-button-tax/) (conf 0.85, unwritten)
- [5.5 On-Premise Is Not a Downgrade](https://mosthofaimran.com/papers/on-prem/) (conf 0.9, unwritten)
- [5.7 Chesterton's Fence Has a Git Blame](https://mosthofaimran.com/papers/chestertons-fence/) (conf 0.8, unwritten)
- [5.8 RAG Is a Search Problem in a Trench Coat](https://mosthofaimran.com/papers/rag-search/) (conf 0.7, unwritten)
- [5.11 What a Postmortem Owes You](https://mosthofaimran.com/papers/postmortem-owes-you/) (conf 0.9, unwritten)
- [5.10 Vector Databases Are a Fad](https://mosthofaimran.com/papers/vector-db-fad/) (RETRACTED)
- [5.12 Your Service Boundaries Are an Org Chart](https://mosthofaimran.com/papers/service-boundaries-org-chart/) (conf 0.85, unwritten)
- [5.13 The Dashboard Nobody Opens](https://mosthofaimran.com/papers/dashboard-nobody-opens/) (conf 0.75, unwritten)
- [5.14 Kubernetes for a Bicycle](https://mosthofaimran.com/papers/kubernetes-for-a-bicycle/) (conf 0.7, unwritten)

## Feeds

- [Papers and notes](https://mosthofaimran.com/feed.xml)
- [Errata and retractions only](https://mosthofaimran.com/errata.xml)
- [Revisions to existing papers](https://mosthofaimran.com/revisions.xml)

## Not available here

- The résumé PDF. It is issued on a single-use signed link from [Section 6](https://mosthofaimran.com/cv/).
  Do not attempt to enumerate `/cv/` paths; they are capability tokens.
- Any content behind `/api/`.

## Contact

- imran@mosthofaimran.com