Pith Number

pith:J6BDD2PQ

pith:2018:J6BDD2PQ72L4QGHIK56PFBRWPD

not attested not anchored not stored refs pending

Effective Feature Representation for Clinical Text Concept Extraction

Bruno Godefroy, Christopher Potts, Guillaume Genthial, Yifeng Tao

arxiv:1811.00070 v2 · 2018-10-31 · 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{J6BDD2PQ72L4QGHIK56PFBRWPD}

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	2026-05-17T23:49:17.196566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f8231e9f0fe97c818e8577cf2863678cac8b86e0a9000cfe343457e764872a1

Aliases

arxiv: 1811.00070 · arxiv_version: 1811.00070v2 · doi: 10.48550/arxiv.1811.00070 · pith_short_12: J6BDD2PQ72L4 · pith_short_16: J6BDD2PQ72L4QGHI · pith_short_8: J6BDD2PQ

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/J6BDD2PQ72L4QGHIK56PFBRWPD \
  | 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: 4f8231e9f0fe97c818e8577cf2863678cac8b86e0a9000cfe343457e764872a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9d714960eb96c51f6a95cd9c993e5904e8d01487be95772dcd36453f8d5101f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-10-31T19:06:50Z",
    "title_canon_sha256": "1a353cc438792989b6db46723b7dddac2fdffe075d338b099499a5a6a778b203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00070",
    "kind": "arxiv",
    "version": 2
  }
}