Pith Number

pith:XYPFL2YF

pith:2018:XYPFL2YF5V7KURDVHQ5XBUYRN5

not attested not anchored not stored refs pending

Medical Exam Question Answering with Large-scale Reading Comprehension

Ji Wu, Xiao Zhang, Xien Liu, Ying Su, Zhiyang He

arxiv:1802.10279 v1 · 2018-02-28 · 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{XYPFL2YF5V7KURDVHQ5XBUYRN5}

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	2026-05-18T00:22:17.615963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be1e55eb05ed7eaa44753c3b70d3116f47b623124d4363c425a82b637d5454c9

Aliases

arxiv: 1802.10279 · arxiv_version: 1802.10279v1 · doi: 10.48550/arxiv.1802.10279 · pith_short_12: XYPFL2YF5V7K · pith_short_16: XYPFL2YF5V7KURDV · pith_short_8: XYPFL2YF

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/XYPFL2YF5V7KURDVHQ5XBUYRN5 \
  | 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: be1e55eb05ed7eaa44753c3b70d3116f47b623124d4363c425a82b637d5454c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4347524fbd789e114a67264cd94754ab04e4a0eefa82eb9562e2f2b2acc0691f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-02-28T06:27:37Z",
    "title_canon_sha256": "0f20856ed02c0a4a7ca61c9245b3d501ef110320e1afbaa7432a9cc3bf8eda63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10279",
    "kind": "arxiv",
    "version": 1
  }
}