Pith Number

pith:4SQN5M6W

pith:1998:4SQN5M6WVOLX5O2567VJ5GIIEE

not attested not anchored not stored refs pending

Parsing Inside-Out

Joshua Goodman (Harvard University)

arxiv:cmp-lg/9805007 v1 · 1998-05-19 · 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{4SQN5M6WVOLX5O2567VJ5GIIEE}

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.

Cited by

1 paper in Pith

Branch-and-bound method for calculating Viterbi path in triplet Markov models

Receipt and verification

First computed	2026-07-04T14:17:39.094931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a0deb3d6ab977ebb5df7ea9e9908213a51653613f6c21d6fe193336d2cca8b

Aliases

arxiv: cmp-lg/9805007 · arxiv_version: cmp-lg/9805007v1 · doi: 10.48550/arxiv.cmp-lg/9805007 · pith_short_12: 4SQN5M6WVOLX · pith_short_16: 4SQN5M6WVOLX5O25 · pith_short_8: 4SQN5M6W

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/4SQN5M6WVOLX5O2567VJ5GIIEE \
  | 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: e4a0deb3d6ab977ebb5df7ea9e9908213a51653613f6c21d6fe193336d2cca8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "005c5ed353565f9c59883306afc4caacf99cf42ab5bb40c62c9af2e2ec318245",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "",
    "primary_cat": "cmp-lg",
    "submitted_at": "1998-05-19T16:43:26Z",
    "title_canon_sha256": "8d1e3a1632cfb9544fa072b209df3cde8144d543458ac1507b0b26a4117a3d71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cmp-lg/9805007",
    "kind": "arxiv",
    "version": 1
  }
}