Pith Number

pith:P6SMDQBV

pith:2021:P6SMDQBVFO7FJGGGA3GYTWWG5E

not attested not anchored not stored refs pending

A pragmatic approach to estimating average treatment effects from EHR data: the effect of prone positioning on mechanically ventilated COVID-19 patients

Adam Izdebski, Age D. Boelens, A. Karakus, Alexander D. Cornet, Auke C. Reidinga, Barbara Festen-Spanjer, Cornelis P.C. de Jager, Daan P. de Bruin, Dave A. Dongelmans, Dean M. McHugh, Dharmanand Ramnarain, Diederik Gommers, D. Jannet Mehagnoul-Schipper, Ellen G.M. Smit, Evelien Oostdijk, Evert-Jan Wils, Fleur G.C.A. Nooteboom, Gert B. Brunnekreef, Giovanni Cin\`a, Harald J. Faber, Judith Lens, Louise C. Urlings-Strop, Lucas M. Fleuren, Marco A.A. Peters, Marlijn J.A Kamps, Michele Tonutti, Olaf L. Cremer, Patrick J. Thoral, Paul de Jong, Paul W.G. Elbers, Peter Koetsier, Ralph Nowitzky, Remko de Jong, Robbert C.A. Lalisang, Robert Entjes, Rob J. Bosman, Sander Rigter, Sefanja Achterberg, Sesmu Arbous, Stefaan H.A. Hendriks, Tariq A. Dam, Thijs C.D. Rettig, Tim Frenzel, Tom Dormans, Walter van den Tempel, Wouter de Ruijter

arxiv:2109.06707 v2 · 2021-09-14 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6SMDQBVFO7FJGGGA3GYTWWG5E}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:37:28.863763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fa4c1c0352bbe5498c606cd89dac6e92971d34844e93e525e435581de4e90d6

Aliases

arxiv: 2109.06707 · arxiv_version: 2109.06707v2 · doi: 10.48550/arxiv.2109.06707 · pith_short_12: P6SMDQBVFO7F · pith_short_16: P6SMDQBVFO7FJGGG · pith_short_8: P6SMDQBV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/P6SMDQBVFO7FJGGGA3GYTWWG5E \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7fa4c1c0352bbe5498c606cd89dac6e92971d34844e93e525e435581de4e90d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "203cf7a436e45773d0730dfc2417e49dd40bba195f01aaced47109006e340367",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-14T14:14:37Z",
    "title_canon_sha256": "abd4189049782282086de1f6b8a23f8be8b52e82aa3e7ab8e5f26ff620e2021b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06707",
    "kind": "arxiv",
    "version": 2
  }
}