ISO 81001-1 — Health software and health IT systems safety, effectiveness and security — Part 1: Principles and concepts
Document status what the
publisher asserts
unknown
No status read is recorded for this entry — this record has not read a publisher surface for it, which is a fact about this record and not about the publisher. A status read is recorded for 7 of
132 tracked entries, 5 of
which banked a passage.
Evidence state what this
record holds
source access limited — the publisher’s licence or its access policy limits what this record takes from the source
Publisher: ISOLast checked:no status recorded to verifyLast read:
What this record holds for this entry, rung by rung, each mark derived
from a field, a count or a stored reading. Rungs in the order the record acquires them, from what an entry is to what has been checked about it. The order is fixed; a rung’s position says nothing about any entry.
✓held. identityan address that describes this document rather than a list it sits inThis record holds an address that describes this document, and the names it is published under.
✓held. publisherthe body that published itThe publishing body is recorded as ISO.
✓held. jurisdictionthe jurisdiction the publishing body belongs toThe jurisdiction is recorded as International.
✓held. typethe class the document calls itself, quoted from its own titleThe document’s own title states a class, quoted on this page with the address it was read from.
—nothing held. current editiona statement of which edition or revision this record holdsNo reading of an edition or revision statement is recorded for this entry.
—nothing held. publication datea date the publisher states for this documentNo reading of a publication date is recorded for this entry.
—nothing held. lifecycle signala stage, step or status wording read from a publisher surfaceNo read of a publisher surface for a stage or status wording is recorded for this entry.
—nothing held. publisher noticesofficial notices the publisher issued about this documentNo collection of publisher notices has succeeded: of 2 declared sources, 2 have never been attempted. The store holds nothing for any entry.
✓held. observation historya dated series of what the publisher’s address returnedThis record holds 40 dated records of this document, of 85 records in its series; the rest are classified as records of something other than the document this entry names.
△held in part. textprose retained from the retrieved bytes, against which a quotation can be checkedThe text is not public by licence, so it is not retrieved, hashed or diffed here; what is retrieved is the publisher’s own metadata page.
—nothing held. diffa comparison of two retrievals of this documentNo retrieval of this document carries a digest, so no comparison of one retrieval with another has been made.
—nothing held. verificationa person’s check of this entry against the primary sourceNo check of this entry is recorded.
✓ held — this record holds it, and the sentence beside it names what from · — nothing held — no reading of this rung is recorded — nobody has looked, which is not the same as looking and finding nothing · △ held in part — part of it is held, or it is held under a limit the sentence states
No rung on this entry carries a measured absence. That is not the same
as every rung being held: 6 of the 12 rungs are marked as holding nothing, which records that no reading
has run rather than that a reading found nothing.
What the evidence states
This record holds an address that describes this document, and the names it is published under.
The publishing body is recorded as ISO.
The jurisdiction is recorded as International.
The document’s own title states a class, quoted on this page with the address it was read from.
This record holds 40 dated records of this document, of 85 records in its series; the rest are classified as records of something other than the document this entry names.
What it does not state
No reading of an edition or revision statement is recorded for this entry.
No reading of a publication date is recorded for this entry.
No read of a publisher surface for a stage or status wording is recorded for this entry.
No collection of publisher notices has succeeded: of 2 declared sources, 2 have never been attempted. The store holds nothing for any entry.
The text is not public by licence, so it is not retrieved, hashed or diffed here; what is retrieved is the publisher’s own metadata page.
No retrieval of this document carries a digest, so no comparison of one retrieval with another has been made.
Each term states what this record does for this entry and what it does not, derived from the entry’s own fields and its own series. It is a record of coverage, not a finding about the document.
Observed cadence how often this record has reached this entry’s address
Between consecutive days holding an observation the middle interval is 1 day and the longest is 2 days, between 2026-09-13 and 2026-09-15. The term this record declares for the entry is “monthly”.
Text: public, and retained whether the publisher’s text is public, and whether prose from it is kept here
The publisher’s text is restricted, and it is cited and linked rather than reproduced. No prose is retained from what was retrieved. That is a statement about what this record holds, and not a reading of the document.
Hash what is digested for this entry, and of what
No digest here is of the document this entry names: its resolution is “metadata only”, which is the value that means no document is retrieved.
Status verification which check this record undertakes for the published status, and which it holds
This entry’s label asks for a person’s check, and its record is frozen, which takes it out of the queue that asks. No check of either kind is recorded for this entry.
Lifecycle tracked which lifecycle facts this record follows for this entry
This record follows no lifecycle fact for this entry: no effective date, no dated event, no archived version, no publisher stage record and no detected revision is held. That is what has been recorded here, not a reading of what exists. 36 of 132 tracked entries carry at least one such fact.
Known limits the limits this entry’s own record declares
3 of the 8 limits this record can record are set on this entry, and each is listed below with the field it was read from.
decay_class This entry’s record is frozen, which takes it out of the verification queue and out of the unverified count. The reason its record carries is “paywalled stage tracked”.
licence_class The text is restricted, so this record cites and links it and does not reproduce, excerpt or diff it.
resolution_strategy Resolution is “metadata only”, which is the value that means no document is retrieved for this entry: what is fetched is a publisher surface about it.
The test an entry is admitted under is published in full, with its
negative limb and its worked examples, at the inclusion rule. What this record
holds about THIS entry's admission is below, each line naming the store it
was read from.
Inclusion-rule limb which of the four limbs was applied
—No field in this record names which limb an
entry satisfies, so none is stated for this one. Membership was
closed as a human judgment on 2026-08-11, and the four-limb test
is applied by a person rather than by code. This entry’s own
stated subject is not read as a limb: a title word standing in for
a rule would be a classification this record authored.
Admission entry the dated act that added this entry
Recorded on ,
in this record’s own words:
“added after the ISO Online Browsing Platform entry was content-confirmed.”. It is listed again under
Change history below.
Declared tier-1 list a recorded judgement that this belongs
This entry is not a member of the declared tier-1 list.
That list names 37 identifiers,
of which 35 resolve to one of
the 132 tracked entries, so most
of the corpus sits outside it and non-membership says nothing
about this entry on its own.
Admissions boundary the jurisdictions this record adds from
This entry’s jurisdiction is International. It is inside the admissions boundary ruled on 2026-08-16,
which names 4 jurisdictions
— EU · US · UK · International — and which is
one of the two admission tests this record enforces in code. The
other is that a candidate carry the publisher’s own address:
a mention is not a citation.
Filed core. For that label this archive undertakes to put an entry's status to a person. The label records what this archive undertakes for a class of entries. It states no finding about this one, and it is not a ranking.
Frozen. The text is not public by licence, so it is not retrieved, hashed or diffed here. No stage or step wording has been read from the publisher for
this entry. What is recorded is the publisher's own address, and a dated
series of what that address returned on each day it was requested —
including the days it refused. Why the text is not
taken, and what is recorded instead.
Frozen does not mean abandoned. This entry is still fetched and hashed
every day and its observation series continues; it is excluded only
from the verification queue and from the unverified count, because a
status that cannot be established is not outstanding work.
Not yet verified. The status of this instrument has not been
confirmed against its primary source. It is recorded as unknown rather than
estimated. Consult the
primary source↗ (opens in new tab) directly.
Resolution: metadata only · no document resolved
What this archive can and cannot establish about this entry. The full text is not public by licence; the ISO Online Browsing Platform serves front matter only. Nothing is hashed; the publisher's own catalogue metadata is tracked instead. DECISIONS-NEEDED #25a recorded a 403 to an identified client; that 403 was reproduced on 2026-08-08 against a known-good ISO URL, which makes it evidence about ISO's transport policy and not about this document. Whether the 2021 edition is still current was not measured.
Authority
ISO
Jurisdiction
International
Status
unknown
Effective date
—
Last changed
—
Last verified
no status recorded to verify
Watch cadence
monthly
Crawlable
unknown
Text licence
restricted — cited and linked, never excerpted
(paywalled standard)
The source was retrieved, but no phrase stating a regulatory status was found near a mention of this instrument.
The text of this document is published under a restrictive licence. It is cited and linked, never excerpted; change is reported by hash.
Cite this consensus standard
Each format carries the permalink and the date this consensus standard was observed. The
observation date is part of the citation: the underlying source may have changed
since.
Plain text
GxPlex. ISO 81001-1 — Health software and health IT systems safety, effectiveness and security — Part 1: Principles and concepts [consensus standard record]. Observed 18 September 2026. https://gxplex.com/r/iso-81001-1 Primary source: https://www.iso.org/obp/ui/#iso:std:iso:81001:-1:ed-1:v1:en
BibTeX
@misc{gxplexriso810011,
author = {{GxPlex}},
title = {{ISO 81001-1 — Health software and health IT systems safety, effectiveness and security — Part 1: Principles and concepts}},
year = {2026},
note = {consensus standard record, observed 18 September 2026},
howpublished = {\url{https://gxplex.com/r/iso-81001-1}},
urldate = {2026-09-18},
url = {https://www.iso.org/obp/ui/#iso:std:iso:81001:-1:ed-1:v1:en}
}
APA
GxPlex. (2026). ISO 81001-1 — Health software and health IT systems safety, effectiveness and security — Part 1: Principles and concepts [consensus standard record]. Retrieved 18 September 2026, from https://gxplex.com/r/iso-81001-1
JSON
{
"@context": "https://schema.org",
"@type": "Dataset",
"name": "ISO 81001-1 — Health software and health IT systems safety, effectiveness and security — Part 1: Principles and concepts",
"publisher": "GxPlex",
"url": "https://gxplex.com/r/iso-81001-1",
"temporalCoverage": "2026-09-18",
"observation": {
"url": "https://gxplex.com/observations/iso-81001-1#obs-2026-09-18-1",
"observedDate": "2026-09-18"
},
"isBasedOn": "https://www.iso.org/obp/ui/#iso:std:iso:81001:-1:ed-1:v1:en"
}
observation.url addresses the single observation this
citation rests on.
Every observation of this document is addressed and separately citable at
the observation series.
All 85 marks, one per observation, oldest first. · unchanged · ! content changed ·
~ fetched but rendered client-side, no hash ·
× could not be fetched, no hash.
41 of 42 days from 2026-08-08 to 2026-09-18 hold an observation. 1 day holds none: 2026-09-14. A day with no observation is a day this record did not reach; it is not a statement about the publisher, and it is not counted as unchanged.
Each mark links to the single observation it stands for, at
that observation’s own address. The whole series, with every address, is at /observations/iso-81001-1.
Any two of its retained observations can be set side by side at /compare/iso-81001-1.
The same evidence as a packet, with its refusals and its
integrity reference, is at /packet/iso-81001-1.
This source has never produced a content hash. Either it refuses automated
requests, or its content is assembled in the browser and is not present in
the HTML. No hash is recorded for a document that could not be
read — an invented one would corrupt every finding computed from
this series. See crawlability.
How this series is recorded
Recorded
observations: 85 · carrying a digest: 0 · first observed: 2026-08-08
Method
resolution: metadata only · watch cadence: monthly · last fetch method: withheld
Evidence
The most recent record is addressed at 2026-09-18·1.
Published at
/observations/iso-81001-1 — every record of this row, with its address. /api/v1/series.jsonl — the same records for every row, one line each.
Each observation is addressed by this row’s identifier, the date it was observed, and its sequence within that date — the same key /api/v1/series.jsonl publishes as `sequence`, counted in the order the store recorded them.
Counts and dates over a stated window. No figure here is a mark out of a hundred, no cell is ordered against another, and none of it is a statement about the publisher: a day this record did not reach is a fact about this record’s reach.
Fetch outcomes how the requests in the window
answered
36 of 85 fetch records in the
90 calendar days ending carry no error.
The 49 that carry one are
recorded under blocked ×49. Of those, 0 produced a digest: a
page that answers and is assembled in the browser answers
without one.
Last fetched the most recent record in the whole
series
— the latest day this record holds ().
The method recorded is withheld. What that record returned is in Observation history above.
Address stability where the requests actually
landed
32 record(s) in the window recorded the address
that answered, across 1 distinct
address(es).
53 further record(s) carry no
answered address and say nothing either way. The most recent answered address is the one this
entry declares.
Access posture what the publisher declares, and what
the requests met
Declared: this record holds no robots statement for this source · crawlable unknown .
Met: 49 of 85 record(s) in the window were recorded as refused.
A refusal is what one request of this record met on one day; it
is not a policy the publisher stated.
Expected and observed cadence the declared term, the days held, and
the days holding none
The term this record declares for this entry is monthly. Over its own window, to , 41 of 42 calendar days
hold at least one observation.
1 hold none: 2026-09-14. Between consecutive days holding one, the
middle interval is 1 and
the longest is 2, counted
in days
— that longest one between 2026-09-13 and 2026-09-15. Both figures are stated and the difference between them is
not adjudicated here.
What sits around this entry, counted. Every figure below is drawn from a
value already rendered elsewhere on this page; where a count has a list,
the count is here and the list stays in the section holding its evidence.
The direct document, and the activity around it what this record’s observations of
the document recorded inside a stated window, beside the official
signals dated inside the same one
Each row is a window of calendar days ending , the day the
source-health block above counts its own window to. Every
column between the window and the official signals is drawn
from the 40 observation(s) of the
document this entry holds in total. An observation is counted here only where the
class projection places it on the document this entry
names.
Window
Observations of the document
Of those, carrying a digest
Of those, carrying a change
Direct document
Official signals dated inside it
30 calendar days
18
0
0
no digest in window
0 of 0
90 calendar days
40
0
0
no digest in window
0 of 0
365 calendar days
40
0
0
no digest in window
0 of 0
A window is marked changed where at least one observation of the document inside it recorded a change against the previous one; unchanged where the window holds at least one such observation, at least one of them carries a digest of the retrieved bytes, and none recorded a change; undigested where the window holds observations and none of them carries a digest, so no observation in it could be compared with another; and unmeasured where the window holds no observation at all. The word is shorthand for the three counts printed beside it and adds nothing to them. It is a statement about the window and never about the document outside it, which is why a window reaching back before the first observation says so underneath. A mark is derived from
the observations a window holds and never from the days it
spans; which days inside this entry’s own window hold
none is stated by the coverage sentence in Observation history above.
The first observation of the document this entry names is .
These windows reach back before it — 90 calendar days · 365 calendar days — so part of the span each
names was never watched, and a window with no change inside it
says nothing about the days before that first observation.
no digest in window — this window holds observations of the document and not one of them carries a digest of the retrieved bytes, so no observation in it could be compared with another and no change was measurable either way — what this record does and does not digest for this entry is stated by the hash term in the coverage contract above
No word is attached to the signal count beside it, and none will be. Any word for the size of a count needs either a threshold this record would have authored or a comparison against other entries that would rank the sources against one another; the count and its window are the whole claim. The document column beside it carries a word only because the rule reaching it is printed underneath and can be checked against the counts it stands for.
The last column holds no member on this entry.
The zero it holds is named under “Around
it” below.
Around it official signals naming this entry, by
the class their publisher stated
—The signal store holds no record for any
entry, so nothing here is an absence measured on this one. The
store’s own state is no source attempted, and what
that state means for every count drawn from the store is stated
at the signals index.
Related sources other entries reachable from this one by
a relation a publisher states
—This record publishes no relation from or to
this entry. A relation is published only where a publisher states
it, so this is the absence of a statement this record has read and
not a claim that none exists.
Related standards which of those entries call themselves a
standard, in their own publisher’s word
—No published relation from this entry reaches
an entry this record tracks, so there is nothing to place on this
axis. That is a statement about what this record can read, not
about what exists.
Topics the controlled identifiers this entry
carries, and the voice each one is in
1 identifier(s), minted by the convention
published at /conventions. The values
themselves are not listed again here; what this adds is the
identifier and the voice it is in.
1 come(s) from a term
this document’s own publisher states about it, quoted
with its citation lower on this page: topic.health-software.
Before, now and next where the record’s day sits among
the publisher-dated facts this entry holds
— This entry holds no publisher-dated lifecycle fact, so no position can be derived. What is absent is a dated statement this record has read.
Next holds the publisher-dated facts this record already carries that fall after the day this record calls today — a stated effective date, a consultation close. Nothing is projected and no step is inferred from a lifecycle: where a publisher has stated no further date, the cell says so, and what is absent is a statement rather than a future.
Subject and class (as stated)
The words this document uses about itself, matched verbatim against its
own title. Not a statement of scope, and not a judgment about which
organisations or products fall under it: each value quotes the span it
was read from and links to where that span was read.
Listed primary first, then the further addresses this record holds for
this entry, then the route it was found by, then dated third-party copies.
Repeated URLs appear once, at their first position.
Assessment note
A field and some words a reader may keep beside this entry while reading
it. This record never sees the note: nothing is sent anywhere, nothing is
stored on this device, and it is gone when the page is reloaded. Nothing
below is selected until a reader selects it — no default is offered here,
and this record states no view about which of the four words belongs on
this entry.
Those four words are a reader's own vocabulary, not this record's
description of the document. A judgement of consequence, a decision to
keep watching, a decision to look further and a decision to raise are
refused in this record's own voice by the wall it publishes under, and
that refusal is why the choice sits with a reader rather than being made
here.
The copy control puts the note on this device's clipboard as Markdown,
carrying this entry's identifier and the four published addresses of its
evidence packet at /packet/iso-81001-1, so a note and
the packet it belongs beside can be filed together. The note is not merged
into the packet's own bytes: merging needs either a request this control
does not make, or a copy of a published surface inside every entry page,
and neither is taken.