Pith Number

pith:QTXHXPQT

pith:2018:QTXHXPQTWZF3YXCWAQPVFF7ZBH

not attested not anchored not stored refs pending

Natural Language Processing for EHR-Based Computational Phenotyping

Tristan Naumann, Xiaoyu Li, Yuan Luo, Yu Deng, Zexian Zeng

arxiv:1806.04820 v2 · 2018-06-13 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTXHXPQTWZF3YXCWAQPVFF7ZBH}

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.

Receipt and verification

First computed	2026-05-18T00:13:09.844481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84ee7bbe13b64bbc5c56041f5297f909c5d634ba489a8775a502d8ef6e40c668

Aliases

arxiv: 1806.04820 · arxiv_version: 1806.04820v2 · doi: 10.48550/arxiv.1806.04820 · pith_short_12: QTXHXPQTWZF3 · pith_short_16: QTXHXPQTWZF3YXCW · pith_short_8: QTXHXPQT

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/QTXHXPQTWZF3YXCWAQPVFF7ZBH \
  | 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: 84ee7bbe13b64bbc5c56041f5297f909c5d634ba489a8775a502d8ef6e40c668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efc6855b6ea26e36eec626c158f3dde96a6c9158010f403ef83a254693e481a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-06-13T02:14:19Z",
    "title_canon_sha256": "eb61c3739103487c393362115593edb89238f566976ef059c9bbbcfa7e021475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04820",
    "kind": "arxiv",
    "version": 2
  }
}