Pith Number

pith:LGHRYD3F

pith:2008:LGHRYD3FHFNQL6XRGJKYRDB5P7

not attested not anchored not stored refs pending

Parts-of-Speech Tagger Errors Do Not Necessarily Degrade Accuracy in Extracting Information from Biomedical Text

Christophe Lefevre, Kevin R. Nicholas, Maurice HT Ling

arxiv:0804.0317 v1 · 2008-04-02 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LGHRYD3FHFNQL6XRGJKYRDB5P7}

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	2026-07-04T15:10:34.797564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

598f1c0f65395b05faf13255888c3d7fdceb94842e719e71d8903eda3231ee87

Aliases

arxiv: 0804.0317 · arxiv_version: 0804.0317v1 · doi: 10.48550/arxiv.0804.0317 · pith_short_12: LGHRYD3FHFNQ · pith_short_16: LGHRYD3FHFNQL6XR · pith_short_8: LGHRYD3F

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/LGHRYD3FHFNQL6XRGJKYRDB5P7 \
  | 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: 598f1c0f65395b05faf13255888c3d7fdceb94842e719e71d8903eda3231ee87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0b192461b7e911865a1f910f745e491f41d52803f5398335ebd91d2258d8ab5",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2008-04-02T09:34:13Z",
    "title_canon_sha256": "db71bd8b1a3b7918ac06d1aea389baa9522b90e875f719bc6006966f59596df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0317",
    "kind": "arxiv",
    "version": 1
  }
}