Pith Number

pith:C4UAOS3X

pith:1995:C4UAOS3XJLUI7TJ6RA4Q6TLLPM

not attested not anchored not stored refs pending

Improving Statistical Language Model Performance with Automatically Generated Word Hierarchies

Belfast), F.J.Smith (Queen's University, John McMahon

arxiv:cmp-lg/9503011 v1 · 1995-03-09 · 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{C4UAOS3XJLUI7TJ6RA4Q6TLLPM}

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	2026-05-18T01:07:24.007665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1728074b774ae88fcd3e88390f4d6b7b26ea3b02e55e9c5dbf11a80446a6460c

Aliases

arxiv: cmp-lg/9503011 · arxiv_version: cmp-lg/9503011v1 · doi: 10.48550/arxiv.cmp-lg/9503011 · pith_short_12: C4UAOS3XJLUI · pith_short_16: C4UAOS3XJLUI7TJ6 · pith_short_8: C4UAOS3X

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/C4UAOS3XJLUI7TJ6RA4Q6TLLPM \
  | 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: 1728074b774ae88fcd3e88390f4d6b7b26ea3b02e55e9c5dbf11a80446a6460c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6aab514b369d9e63b4b4bba007182ffc6321e451f9aa7e94b5a6a17fca762d5",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "",
    "primary_cat": "cmp-lg",
    "submitted_at": "1995-03-09T21:07:06Z",
    "title_canon_sha256": "1c7664befc9908341c8df461a535abcf7a84d47276b8782ac59345cb6a161dd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cmp-lg/9503011",
    "kind": "arxiv",
    "version": 1
  }
}