BHOS · iA — Initial Architecture

The Bathroom Health
Operating System

A founding member collaborative building the shared evidence infrastructure for bathroom-derived health intelligence — because no single company can generate the data the market needs to scale.

Founding Members Open Founding Hardware Partner Chorus Network Healthspan · Sector One
8
Founding Data Partner seats
available — segment-exclusive
Phase 1
Can begin within weeks
at $20–40k AUD
Q2 2026
First evidence publications
from founding node
The problem this collaborative solves
01
Isolated data
Every bathroom health company is generating data in its own format with its own definitions. None of it is comparable. None of it compounds. Each new study starts from zero.
02
No shared standard
Regulators, payers, and enterprise buyers cannot evaluate competing claims. Without a common measurement framework, every company is making a different argument with different methodology — and everyone loses.
03
A market that cannot scale
Without validated, comparable evidence, adoption stays slow. Buyers cannot make confident decisions. Capital flows on narrative. The entire bathroom health category is held back by the absence of shared infrastructure.
What BHOS is

Not a standards body.
Not a trade association.
A commercial data collaborative.

BHOS is the operating layer that makes bathroom health evidence comparable, stackable, and commercially valuable — for every member that contributes to it.

A shared measurement standard
PEIRO is Chorus's own five-stage evidence standard — Population, Environment, Intervention, Response, Outcomes — applied specifically to bathroom-derived health signals. It gives every member a shared structure for what they collect and how they report it, so every dataset is stackable and every finding is comparable.
A pooled evidence base
Privacy-preserving, structured evidence contributed by all members and synthesised by the Chorus intelligence layer. The dataset grows more valuable with every node added. No single company could generate this alone.
A commercial revenue model
Founding Data Partners receive a share of revenue generated from intelligence products sold to the broader market — subscribers, regulators, payers, and enterprise buyers who need validated evidence but are not data contributors.
Cumulative intelligence
Evidence is synthesised across all BHOS nodes, surfacing patterns that no single dataset reveals and attributing outcomes honestly across vendors and interventions. The intelligence is embedded in workflows — not locked in a dashboard.
Who this is for

Not TOTO's competitors.
TOTO's ecosystem.

BHOS brings together the complementary segments of the bathroom health value chain. Each founding member fills a distinct segment — ensuring the collaborative represents the full stack, not a single layer.

Sensor companies
Acoustic, spectroscopic, presence, weight, and air quality sensor manufacturers with bathroom-context data.
Data contributor
Aged care operators
Residential and home care providers with resident populations and outcomes data across real-world environments.
Environment + outcomes
Real estate developers
Retirement village developers and build-to-rent operators embedding health infrastructure from design stage.
Environment layer
Digital health platforms
EHR integrators and care management software providers connecting bathroom signals to clinical workflows.
Integration layer
Insurers & risk managers
Health insurers and risk pool managers with a direct stake in validated evidence for preventive care ROI.
Payer validation
Pharma & diagnostics
Companies focused on continence, hydration, UTI prevention, and medication adherence monitoring.
Clinical signal
Building automation
Facility management and building system providers embedding health monitoring into built environment infrastructure.
Facility layer
Telecoms & connectivity
Network and edge compute providers enabling real-time bathroom health data transmission at scale.
Infrastructure

Segment exclusivity is guaranteed for Founding Data Partners — no two members from the same segment.

Membership model

Three ways to be part of BHOS

Founding Data Partners shape the standard. Research Nodes validate the evidence. Intelligence Subscribers access the output. Each tier plays a distinct role in the collaborative.

Tier 1 · Limited to 8
Founding Data Partner
$75,000 – $150,000 AUD or in-kind equivalent
What you give
Hardware or sensor data structured to the PEIRO standard
Founding membership contribution
Active governance participation
What you get
Governance seat on BHOS board
Revenue share from intelligence products
Co-authorship of measurement standards
Full dataset access
Founding member mark for marketing & regulatory use
Segment exclusivity — no competitor in your category
Founding cohort is capped. Once your segment is filled, the door closes for Tier 1.
Tier 2
Research Node
Negotiated — typically in-kind contribution
What you give
Methodology and validation expertise
IRB / ethics capacity
Co-design and research leadership
What you get
Dataset access for peer-reviewed research
ARC Linkage co-applicant eligibility
Measurement standard co-authorship
Founding node affiliation and mark
Tier 3
Intelligence Subscriber
Annual subscription — pricing on application
What you give
Annual subscription fee
What you get
Quarterly validated intelligence reports
AI-synthesised pattern summaries
Regulatory and payer briefings
No data contribution required
At a glance

What each tier receives

Feature Founding Data Partner Research Node Intelligence Subscriber
Governance seat ✓ — —
Revenue share ✓ — —
Segment exclusivity ✓ — —
Standard co-authorship ✓ ✓ —
Founding member mark ✓ ✓ —
Full dataset access ✓ Research use —
Intelligence reports ✓ ✓ ✓
ARC Linkage eligibility ✓ ✓ —
Data contribution required Yes Yes No
Why join now

Founders set the standard.
Latecomers comply with it.

01
Standards are being written now. The measurement frameworks being established in this founding cohort will define how bathroom health evidence is evaluated by regulators, payers, and enterprise buyers for years to come.
02
The dataset compounds. The earlier you contribute, the more the shared evidence base reflects your technology's context and capabilities — and the more valuable your position in the network becomes.
03
Regulatory scrutiny is coming. Claims about bathroom-derived health signals will face increasing examination from payers and regulators. Having co-authored the standard is a very different position from having to comply with it.
04
Segment seats are finite. Founding Data Partner status is capped at 8 organisations across non-competing segments. Once a segment is filled, Tier 1 is closed to that category.
05
Phase 1 is fast and low-cost. Co-design workshops can begin within weeks at $20–40k AUD. There is no reason to wait for a larger, slower commitment to see the value of participation.

"In the API era, the winners owned the pipes. In the skill era, the winners own the patterns."

Chorus thesis · 2026
Funding pathways

How BHOS gets built and funded

The collaborative is designed to be self-funding from founding fees and revenue, with grant co-funding available for research-active members at Phase 2.

Phase 1 · Immediate
Co-design & acceptability research
Focus groups with clinicians, care operators, and residents. Published findings on acceptability and clinical utility. Non-IRB, fast to execute.
$20,000 – $40,000 AUD
Phase 2 · Mid-term
Sensor integration & digital twin build
Multi-sensor fusion testing, privacy-preserving identification, digital twin schema development, and IRB-approved clinical evidence generation.
ARC Linkage grant pathway
Founding fees · Ongoing
Founding Data Partner contributions
Membership fees from up to 8 Founding Data Partners fund operational infrastructure, platform development, and protocol maintenance.
$75k – $150k AUD per partner
Revenue · Maturing
Intelligence product subscriptions
As the dataset matures, validated intelligence products sold to subscribers, regulators, and payers generate revenue shared back to Founding Data Partners.
Revenue share model
Next steps

Ready to talk founding membership?

Founding partner conversations are open now. No NDA required for the initial conversation — we are looking for segment fit and shared ambition, not secrecy.

Get in touch
Stephen Johnston & Michael Lindemayer
Founders, Chorus
hello@chorusproject.net  ·  www.chorusproject.net
01
Founding partner conversation
30 minutes. No NDA required. We assess segment fit and discuss what participation would look like for your organisation.
02
Segment fit assessment
We confirm you are filling a gap in the collaborative — not duplicating an existing member's contribution. Segment exclusivity is protected from day one.
03
Letter of Intent
Non-binding, signals intent to participate. Reserves your segment seat while due diligence and legal review proceed at your pace.
04
Phase 1 co-design workshops
Low-cost, fast to execute. Results in published findings and a clear roadmap for deeper integration. Can begin within weeks of LOI.