Pith Number

pith:5432ROUN

pith:2020:5432ROUNB7MT4H3FUWCBKQYPQG

not attested not anchored not stored refs pending

Information Extraction of Clinical Trial Eligibility Criteria

Ahmed Mohamed, Anuj Kumar, Freddy Abnousi, M. I. Salkola, Yitong Tseo

arxiv:2006.07296 v6 · 2020-06-12 · 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{5432ROUNB7MT4H3FUWCBKQYPQG}

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	2026-07-05T01:22:48.186825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef37a8ba8d0fd93e1f65a58415430f81abb71251cc0a2d36b8ac36a6dc7c1607

Aliases

arxiv: 2006.07296 · arxiv_version: 2006.07296v6 · doi: 10.48550/arxiv.2006.07296 · pith_short_12: 5432ROUNB7MT · pith_short_16: 5432ROUNB7MT4H3F · pith_short_8: 5432ROUN

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/5432ROUNB7MT4H3FUWCBKQYPQG \
  | 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: ef37a8ba8d0fd93e1f65a58415430f81abb71251cc0a2d36b8ac36a6dc7c1607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f8ba69615d4d1f1a844da902a112272e415d132e84547dccbd84518e6fb2c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-06-12T16:25:45Z",
    "title_canon_sha256": "b9c33622f3092b9efd92695f1f1a2b3bcb6d665aa31ac01f7b25e9014b0d1887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.07296",
    "kind": "arxiv",
    "version": 6
  }
}