Pith Number

pith:DZVKR2L5

pith:1995:DZVKR2L5P7VFB4SHH36QEK63VB

not attested not anchored not stored refs pending

A Robust Parser Based on Syntactic Information

Cheol Jung Kweon, Gil Chang Kim, Jungyun Seo, Kong Joo Lee

arxiv:cmp-lg/9502024 v2 · 1995-02-21 · cmp-lg · 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{DZVKR2L5P7VFB4SHH36QEK63VB}

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	2026-05-18T01:07:24.121879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e6aa8e97d7fea50f2473efd022bdba8721e0c4baecd3bd23a41840ae6161f6a

Aliases

arxiv: cmp-lg/9502024 · arxiv_version: cmp-lg/9502024v2 · doi: 10.48550/arxiv.cmp-lg/9502024 · pith_short_12: DZVKR2L5P7VF · pith_short_16: DZVKR2L5P7VFB4SH · pith_short_8: DZVKR2L5

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/DZVKR2L5P7VFB4SHH36QEK63VB \
  | 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: 1e6aa8e97d7fea50f2473efd022bdba8721e0c4baecd3bd23a41840ae6161f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33e29e2186413764d5bde322d4ed6780924616c2dfbc7ce7b589a4fb39f6cfb1",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "",
    "primary_cat": "cmp-lg",
    "submitted_at": "1995-02-21T01:57:32Z",
    "title_canon_sha256": "9683d390a1c442d01ae61232158cf388ee4bd8c9d9de07b1e2810de8dbb1d2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cmp-lg/9502024",
    "kind": "arxiv",
    "version": 2
  }
}