Pith Number

pith:44MRCLGH

pith:2020:44MRCLGHD34B63GXHRC3MBAICJ

not attested not anchored not stored refs pending

Model-assisted cohort selection with bias analysis for generating large-scale cohorts from the EHR for oncology research

Benjamin Birnbaum, Evan Estola, Joshua Haimson, Katharina Seidl-Rathkopf, Lucy He, Melissa Estevez, Monica Agrawal, Nathan Nussbaum, Paul Richardson, Peter Larson

arxiv:2001.09765 v1 · 2020-01-13 · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44MRCLGHD34B63GXHRC3MBAICJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Cited by

1 paper in Pith

Modeling therapy sequence for advanced cancer: A microsimulation approach leveraging Electronic Health Record data

Receipt and verification

First computed	2026-07-05T00:36:03.544997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e719112cc71ef81f6cd73c45b604081252189691960a523596942e89a99ff3ba

Aliases

arxiv: 2001.09765 · arxiv_version: 2001.09765v1 · doi: 10.48550/arxiv.2001.09765 · pith_short_12: 44MRCLGHD34B · pith_short_16: 44MRCLGHD34B63GX · pith_short_8: 44MRCLGH

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/44MRCLGHD34B63GXHRC3MBAICJ \
  | 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: e719112cc71ef81f6cd73c45b604081252189691960a523596942e89a99ff3ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d58ebc0d7db94a5e5f7e4646128bb75dccd336b2eb74a45534ac34e8cde727bf",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-01-13T22:58:48Z",
    "title_canon_sha256": "264230e641cf19ad64ff9286daa776cc3eaf0ad793b439458c824697830b76cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09765",
    "kind": "arxiv",
    "version": 1
  }
}