Pith Number

pith:JIOOFB5W

pith:2010:JIOOFB5WTGX6OXNSHJOUKFN77A

not attested not anchored not stored refs pending

Chi-square-based scoring function for categorization of MEDLINE citations

Andrej Kastrin, Borut Peterlin, Dimitar Hristovski

arxiv:1006.1029 v1 · 2010-06-05 · cs.IR · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIOOFB5WTGX6OXNSHJOUKFN77A}

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	2026-05-18T00:19:43.202217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a1ce287b699afe75db23a5d4515bff821f3d929cbc309d05e5cc18da8bf07bb

Aliases

arxiv: 1006.1029 · arxiv_version: 1006.1029v1 · doi: 10.48550/arxiv.1006.1029 · pith_short_12: JIOOFB5WTGX6 · pith_short_16: JIOOFB5WTGX6OXNS · pith_short_8: JIOOFB5W

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/JIOOFB5WTGX6OXNSHJOUKFN77A \
  | 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: 4a1ce287b699afe75db23a5d4515bff821f3d929cbc309d05e5cc18da8bf07bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5c53a16a38f02deb022c3d645293531a4e8cba10cab3daf7ee5b6ec03a65076",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2010-06-05T08:14:27Z",
    "title_canon_sha256": "30cb876885ff9e67d675b8b73d21049a049d6a48e0475ad287bb49ecbac91347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1029",
    "kind": "arxiv",
    "version": 1
  }
}