THE SENTINEL NETWORK™
Intelligence for the detection era. Three records. One watch.
In December 2025, an interstellar object designated 3I/ATLAS made its closest approach to Earth. NASA called it a comet. The CIA issued a Glomar response when asked about it, placing the object in the same legal category as foreign weapons systems and covert operations.
Both cannot be true.
That contradiction is where this publication started. It is not where we stopped. The longer we pulled the thread, the more the pattern widened. Objects that transit this system. Institutions that manage public knowledge of them. People inside those institutions who die or disappear when they know too much.
Three records. One watch.
The Sentinel Network™ is an independent investigative publication applying forensic data analysis, open-source intelligence methods, and what we call Scientific Brutalism™ to every dataset we touch. No hedging. No consensus worship. Raw data, structural arguments, and the discipline to follow anomalies wherever they lead.
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Every briefing is free. Every claim is sourced. Every correction is public.
THE RECEPTION
CNN, Fox News, ABC News, NewsNation, and Newsweek have run our reporting on the McCasland disappearance and the broader ATTRITION pattern. NPR has been in contact. The Japan UAP Parliamentary Federation displayed the ATTRITION roster at the 4th General Meeting of the Diet session in Tokyo in April 2026, and we published the only known English translation of the proceeding. The Sentinel Network™ is a Substack Bestseller and a Top 100 Science publication on the platform.
We did not pitch any of it. The work pitched itself.
THE THREE RECORDS
THE PASSAGE RECORD. Every interstellar and anomalous object that transits this system, beginning with 3I/ATLAS. JWST spectroscopy. VLT isotope ratios. Hubble morphology. Orbital mechanics from multiple independent reanalysis teams. We read the papers the press releases are based on. We report what the press releases leave out. When the next object arrives, we will already be at the post.
THE ATTRITION RECORD. The ongoing record of deaths and disappearances across the defense-aerospace-national security ecosystem. Twelve documented names as of April 2026. Air Force Research Laboratory commanders. Lockheed Martin program executives. Nuclear engineers. Materials scientists. Missing civilians connected to the pattern. People who knew things. We document the cases the press runs once and drops, then we pull the public records, the court filings, and the employment histories, and we report the throughline.
THE INSTITUTIONAL RECORD. Database edits timed to challenging papers. Observation blackouts timed to opposition windows. Glomar confirmations. Publication gaps at major journals. Classification shifts. We track what institutions do, not just what they say. Institutional behavior is its own dataset.
The throughline across all three is the gap between what institutions say and what the data shows. The methodology does not change beat to beat. Follow the records. Do the math. Report what you find.
THE STANDARD
We publish null results. When the data says no, we say no.
We correct fast and publicly. When we catch an error, we kill it, disclose it, and move on. Credibility is the only currency that matters in this work.
We show the math. Open-source pipelines. Reproducible analysis. Dockerized environments. If we make a claim, you can verify it. If we used code, you can find it on our GitHub.
We do not speculate. We document what the data shows, calculate what the probabilities imply, and draw the line where the evidence stops. The methodology is the message.
WHAT YOU GET
Free subscribers receive every investigative briefing in full. No paywall on the intelligence product. We hate paywalls as much as you do, and we publish all reporting in the open because accountability journalism only works at scale.
Paid subscribers ($8/month, $80/year) receive the operational layer:
THE SIGNAL. Weekly market and operational intelligence brief, every Tuesday. What moved, what to watch, and what the institutional response curve says about the week ahead.
FIELDCRAFT. Our ten-part paid investigative series, every Friday. The methodology, the tradecraft, and the toolset behind every Sentinel briefing. Built so a reader can run the same workflow.
Primary-source archive. Patent chains, FOIA returns, court filings, congressional testimony, DTIC pulls, and the raw documents underneath every published briefing. Downloadable.
Fieldcraft Labs. The paid subscriber chat. A working channel where readers running the FIELDCRAFT methodology compare notes on what they are pulling, what is breaking, and what the next thread looks like.
The paid comment section. Direct dialogue with the team. Source tips. Working hypotheses before they are publication-ready.
Founding Sentinels ($150/year) are the operational backbone of the network. Founding tier funds infrastructure directly. Database subscriptions, FOIA processing, the compute cycles for Project Echelon, the SSL certificates and the Cloudflare provisioning, the time it takes to file the next attribution dispute or the next dead man’s switch. We are seven Founding Sentinels deep as of April 2026. Every one of them gets named at year-end if they want to be.
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THE PITCH
The Sentinel Network™ is reader-funded. There are no sponsors, no advertisers, no foundation grants, and no editorial board.
That is not a constraint. That is the model.
We publish every briefing free because the only metric that matters in accountability journalism is how far the work travels. A paid subscription funds the work that nobody else in the ecosystem is doing. The patent-chain forensics. The publication-gap audits. The OSINT recovery on missing-person cases that the press runs once and drops. The institutional-response tracking that requires watching the database edit nobody else noticed.
If the work has reached you, someone funded it. If you can fund the next one, you are the reason the next one happens.
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THE LONG WATCH
The detection era will outlast any single object, any single news cycle, any single administration. The Sentinel Network’s job is continuity. Still at the post in year four and year ten, same voice, same record-keeping, when the next passage arrives and when the one after that arrives.
The value of the record is that it is still being kept.
We will be here.
CONTACT
X: @thesentinelnet Reddit: r/probes
Secure tips: sentinel.intel.drop@proton.me
The Sentinel Network LLC. Independent. Open-source. Accountable to the data and to you.
Keep looking up.
-- The Sentinel Network™
