Pith Number

pith:XIDHBOFZ

pith:2003:XIDHBOFZCI3ZK4JUYP57Y6VXM7

not attested not anchored not stored refs pending

An Improved k-Nearest Neighbor Algorithm for Text Categorization

Baoli Li, Qin Lu, Shiwen Yu

arxiv:cs/0306099 v1 · 2003-06-16 · 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{XIDHBOFZCI3ZK4JUYP57Y6VXM7}

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	2026-07-04T14:24:34.439637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba0670b8b91237957134c3fbfc7ab767e53e4c3d57719c7fc7477836c70048e8

Aliases

arxiv: cs/0306099 · arxiv_version: cs/0306099v1 · doi: 10.48550/arxiv.cs/0306099 · pith_short_12: XIDHBOFZCI3Z · pith_short_16: XIDHBOFZCI3ZK4JU · pith_short_8: XIDHBOFZ

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/XIDHBOFZCI3ZK4JUYP57Y6VXM7 \
  | 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: ba0670b8b91237957134c3fbfc7ab767e53e4c3d57719c7fc7477836c70048e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82516dc31759dfb65fb06ae69e0616ecdbb48fe454355f4d2b2ecc434d47c965",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CL",
    "submitted_at": "2003-06-16T13:54:03Z",
    "title_canon_sha256": "3a92c111d4649c8daee5d92f9eb283e802c1bf929109bb57b8fc39fc6dc6cd2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0306099",
    "kind": "arxiv",
    "version": 1
  }
}