Pith Number

pith:EE45S7EB

pith:1995:EE45S7EB3YYOANEOQJJASKUMPS

not attested not anchored not stored refs pending

Lexical Acquisition via Constraint Solving

Ted Pedersen, Weidong Chen (Southern Methodist University)

arxiv:cmp-lg/9502028 v1 · 1995-02-22 · 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{EE45S7EB3YYOANEOQJJASKUMPS}

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	2026-05-18T01:07:24.110246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2139d97c81de30e0348e8252092a8c7c94dfaf07342c2703675d0eb1fc5c4b24

Aliases

arxiv: cmp-lg/9502028 · arxiv_version: cmp-lg/9502028v1 · doi: 10.48550/arxiv.cmp-lg/9502028 · pith_short_12: EE45S7EB3YYO · pith_short_16: EE45S7EB3YYOANEO · pith_short_8: EE45S7EB

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/EE45S7EB3YYOANEOQJJASKUMPS \
  | 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: 2139d97c81de30e0348e8252092a8c7c94dfaf07342c2703675d0eb1fc5c4b24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ca77bb8f366023ba86dbe7ac5b7b688254f611c5e2a5db15438c184e2d8ece",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "",
    "primary_cat": "cmp-lg",
    "submitted_at": "1995-02-22T22:31:11Z",
    "title_canon_sha256": "65e6a45984181dd7c3f001d26cabb244cf124da643919dcb598c984c66583239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cmp-lg/9502028",
    "kind": "arxiv",
    "version": 1
  }
}