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A sample built on fictional content. Whitlow Ferris Partners is not a real firm and this reflects no real engagement.

Ermetis
The memory · Whitlow Ferris Partners (fictional)

What the firm knows, and how it decides.

Whitlow Ferris Partners is a fictional management consulting firm working for private-equity portfolio companies. Its partners make the decisions and the judgment calls, and the memory is what they and their software are working from when they do. It holds the facts, the reasoning behind decisions that have already been made, and which version of an answer is the current one. We build it first, because every other sample in this suite runs on it.

01How it works

Most information a firm needs is already somewhere inside the business.

One ordinary week at Whitlow Ferris Partners, and a proposal written during it. Watch it both ways.

View Same in both views

02The shape of it

Once it exists, everything that answers a question or drafts a document reads from the same place.

The drawing below is the core from stage three of the walkthrough, with everything that reads from it drawn in. Six of those readers are software and the seventh is a person with her phone. We draw the person the same size as the software, because the core is worth building whichever of the two ends up doing the job.

The first deliverable covers one area of the firm, and there is no software in it yet.
Proposals and scoping, written down and kept in the SharePoint library that the firm’s own AI tools and its own people both read.
Whitlow Ferris Partners
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The firm’s own AI tools Copilot, ChatGPT, Claude The firm’s people Reading it directly The memory · proposals and scoping 3 approved · 156 kept · 3 not covered SC-4 Scoping the diagnostic FR-2 Fees and discounts SP-2 Sponsor preferences Everything else, kept with a note on where it came from Not covered Kept as files in the SharePoint library the firm already has. Nothing installed, nothing integrated. Maintained by hand, monthly
Nothing is installed and nothing is integrated. This is what the first paid deliverable hands over.
3
Entries reviewed and approved, for the questions that can only have one answer.
156
Records kept with a note on where each one came from. Useful, and nobody needs to approve them.
3
Questions it does not answer, written down so nobody assumes otherwise.
03What it remembers

It remembers three things, and the facts are the easiest of them.

Most attempts at this collect documents and stop there. Documents carry the first of the three well enough. They carry very little of the second, and the second is the part that makes the rest usable by somebody who was not there.

Facts

Weekly rates, the rate card in force, the engagement records, which sponsor owns which portfolio company, who ran ENG-2611. This is the part everyone thinks of first, and it is the easiest part to get hold of.

Why decisions went the way they did

A diagnostic is scoped at five weeks and two and a half FTE. The memory also holds why: the tab said six weeks at three FTE in 2021, the firm has run the product at five weeks since 2024, and the overruns since then came from data cleanup nobody scoped. The data-readiness week exists for the same reason, and a partner who did not write the rule can apply it to an engagement that is slightly different.

Which version is the current one

When the rate card on SharePoint says RC-2024 and the one that arrived by email in January says RC-2026, one of them is right. The memory records which one, who said so, and when, so neither a person nor a piece of software has to guess.

None of this decides anything. A partner still scopes the engagement, sets the fee, and approves the proposal. The memory is what they and their software are working from when they do.

04One entry, in full

An entry records how a decision gets made, with the answer as only one part of it.

This is the format every approved entry uses. A bare answer goes stale the first time an engagement is slightly different, and a partner will put her name to a rule that has its reasons and its exceptions written down when she would not put it to a bare number.

SC-4 · Scoping the operational diagnostic SharePoint › WFP Knowledge › Positions › SC-4
Position
Five weeks at two and a half FTE: an engagement manager full time, a consultant full time, and a partner at half a day a week. Add a data-readiness week when the company does not close its books within ten business days of month end.
The reason
The scoping tab’s six weeks at three FTE dates from 2021. The firm has run the product at five weeks since 2024, and the overruns since then have come from data cleanup nobody scoped. The data-readiness week puts that cleanup in the scope and in the fee.
What changes it
Whether the engagement lands before or after the close changes what data is available in week one. A repeat sponsor changes the fee under FR-2 and not the weeks. A founder-led company is more likely to widen the scope mid-engagement, so the scope boundary language in the SOW gets tighter.
Known exceptions
An implementation sprint that follows a diagnostic in the same company does not get a data-readiness week, because the data was cleaned in the diagnostic. Tolland Wire Products (ENG-2634) was scoped from the tab with no data-readiness week and is eleven percent over budget on hours at week two, all of it in data cleanup; it is recorded here as the case that shows why the week exists.
Escalate when
The sponsor asks for fewer than five weeks, or the company has no monthly close to test against. Neither case is covered here and both go to Ellen before a fee is quoted.
Sources
The scoping tab (2021 figures, retired), planned and charged hours on the 21 completed diagnostics in the baseline, and the debrief notes DB-2611 and DB-2598.
Connections
FR-2 (fees), RC-2026 (the rate card), PT-7 (the proposal template), and the engagements that stand behind it: ENG-2611, ENG-2598, ENG-2634, and proposal P-2026-041.
Reviewed and approved by
Ellen Marchetti, managing partner. Approved 28 August 2026. Back for review each January with the rate card, or sooner if two diagnostics in a row run over on hours.

Exceptions get a field of their own, because most of the real judgment at a firm is in the exceptions and not in the rule. Nobody has to approve a universal rule they would not follow themselves.

This is the entry the proposal drafter cites when it scopes P-2026-041, the entry Ellen reads when she adds the data-readiness week, and the entry Aisha reads in her first month. The record does not change depending on who is reading it.

05The two kinds of entry

A small set of approved positions, and a much larger set kept for reference.

Approving something spends the scarcest attention in the firm, so the approved set stays small. Everything else is still worth having, and it is kept exactly as it arrived with a note on where it came from.

 Reviewed and approvedEverything else
What goes hereThe questions that can only have one answer. How a diagnostic is scoped, how a fee is set, who reviews a readout and when, what utilization means.The account summary on a sponsor, the debrief notes from an engagement, what a 2019 readout found, the case example a proposal draws on.
Who stands behind itA named person and a date, and it replaces every other version in circulation.Nobody approves it. It carries a note on where it came from: who said it, when, and in what context.
How much weight it carriesIt is the firm’s position, so the question of weight does not arise.By who said it, how close they were to the engagement, whether anyone else confirmed it, and how recently.
What an answer looks likeCites the entry, the person who approved it, and the date.Says out loud that it came from here, so nobody mistakes it for the firm’s position.
At Whitlow Ferris today3 entries, all in proposals and scoping.156 records: account summaries, engagement records, case examples, debrief notes, the rate card, and about 140 readout decks.

Material in the second column never gets quietly rewritten into the first. That would be approving something through the back door, and the value of the approved set is that a named person looked at it.

06What it is

Where it starts, it is a folder and nothing more.

Nothing is installed and nothing is integrated, so it works with whatever the firm already pays for and it survives a change of mind about vendors. It sits in the SharePoint library the firm already has, and the firm points its own AI tools at it. If Whitlow Ferris stopped working with us the week after it arrived, it would keep working.

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07Keeping it true

An entry that has gone stale still carries a name and a date, and people trust it.

The scoping tab said six weeks at three FTE. It had a name on it and a date, 2021, and proposals were still being scoped from it in 2026, two years after the firm had moved to five weeks. That is the reason the engagement does not end at delivery. What follows is ordinary maintenance, and it is what keeps the memory worth reading a year later.

Two of the other samples show this happening. At the playbook desk, the carve-out question from the walkthrough is routed to Marcus and comes back as FR-3. In the debrief line, the Beltline lessons are matched to the module, the rule, and the case example they bear on, and Priya decides each one.

08How it connects

The entries are connected, so one question can reach across all of them.

Each entry names the things it concerns: the sponsor, the portfolio company, the engagement, the proposal, the rule, the person who approved it. Those names are connections, and they are what let a question reach material that was never filed together. Here is the chain the memory holds around one sponsor.

Larkspur Ridge account ACC-LARK ENG-2598 Midland, June ENG-2611 Beltline, August ENG-2634 Tolland, week two Invoice, Midland $64,000, fifty-one days Rule UT-1 Carla Stimson Rule SC-4 Ellen Marchetti billed on measured under scoped without a receivable on the account fees billed, the top of the fraction

Each of these records stands on its own. Because they are connected, they can also answer questions that no single one of them holds. The one below is the kind a managing partner asks, and the memory answers it by walking the chain.

What is our realization on Larkspur Ridge work this year? Asked by Ellen Marchetti, 24 September, 9:40 · answered from five connected records
The definition
UT-1: realization is fees billed over the standard-rate value of hours charged, at RC-2026 rates. Carla Stimson owns the definition, so the number means one thing whoever asks.
The engagements
ACC-LARK lists three this year: ENG-2598 at Midland Packaging, a pricing diagnostic closed in June; ENG-2611 at Beltline Fasteners, a working-capital and procurement diagnostic closed in August, with its implementation sprint running; and ENG-2634 at Tolland Wire Products, a diagnostic in week two.
The answer
Three lines, one per engagement, each from the BigTime project it cites, and the same three lines the Monday brief carried on 21 September under BR-1. The Tolland line is marked provisional: the engagement is eleven percent over budget on hours at week two, all of it in data cleanup, and its realization is a forecast until it closes.
What sits beside it
The same account record holds the Midland invoice, $64,000 and fifty-one days old, which is the exception the brief flagged to Carla on Monday. ENG-2634 is marked as scoped from the tab, without the data-readiness week SC-4 calls for.
Every step cited
Each line names the record it came from, so checking any part of this takes seconds.

How the walking happens depends on how far the system has been built. While the memory is a folder, the connections are written into the entries by name and a person follows them one step at a time. Once software runs on it, an answer like this one is assembled the same way, only faster, and every step stays cited.

This chain is the same one the other samples walk one step at a time: the Monday brief reads UT-1 when it reports realization by engagement, and the meeting prep reads the same three engagement records three days later. They agree because they read from the same connected records.

09What runs on it

Every other sample in this suite is reading from the memory, including the one with no software in it.

These do visibly different jobs and they all work for the same reason. Each one is ordinary software pointed at knowledge that has been written down properly, with a person making the decision at the end.

The seventh reader in the drawing is a managing partner with her phone, preparing for a sponsor call the way she always has and getting the right answer the first time because the answer exists in one place. That workflow has a sample of its own, and nothing in it is drafted by software. If the preparation is worth doing with no software drafting anything, the memory was worth building.

Recent changes The memory › CHANGELOG
P-2026-041 recorded · 16 September
The Coastal Fleet proposal, sent at $398,000 with the data-readiness week Ellen added at review. SC-4 unchanged, because the week is what the rule already says.
FR-3 added · 18 September
Pricing for carve-out support. Raised by Kyle Brandt at the playbook desk, routed to Marcus Delgado once, recorded with its reason, approved and published. The list of open questions got one shorter.
PB-100 changed · 23 September
Two changes from the ENG-2611 debrief, the inventory-count cadence assumption in module 4 among them, proposed by the debrief line with DB-2611 attached. Priya Raman decided all four of the line’s proposals that day: three accepted, one sent back.
Ermetis · info@ermetis.co A fictional sample. No real engagement is described. Choose a time