Pith Number

pith:JQ4QBAXR

pith:2011:JQ4QBAXRG4FSD3KGADQ37DQQA2

not attested not anchored not stored refs pending

An Effective Approach to Biomedical Information Extraction with Limited Training Data

Siddhartha Jonnalagadda

arxiv:1107.5752 v2 · 2011-07-28 · 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{JQ4QBAXRG4FSD3KGADQ37DQQA2}

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	2026-05-18T04:13:38.767352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c390082f1370b21ed4600e1bf8e10068b217863194bd093787b368cb3037c1c

Aliases

arxiv: 1107.5752 · arxiv_version: 1107.5752v2 · doi: 10.48550/arxiv.1107.5752 · pith_short_12: JQ4QBAXRG4FS · pith_short_16: JQ4QBAXRG4FSD3KG · pith_short_8: JQ4QBAXR

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/JQ4QBAXRG4FSD3KGADQ37DQQA2 \
  | 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: 4c390082f1370b21ed4600e1bf8e10068b217863194bd093787b368cb3037c1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f280899a823109c708f9dd14d29a4b3a89049259544bb4c462acd013a26db0e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2011-07-28T15:59:21Z",
    "title_canon_sha256": "df6090ac2370d9aaced92922434b007f6497e5cc8d509b643d73d1444c4ddfe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5752",
    "kind": "arxiv",
    "version": 2
  }
}