Pith Number

pith:42WZL4CL

pith:2019:42WZL4CL2YD23DPIHMBAEE73PC

not attested not anchored not stored refs pending

A Typedriven Vector Semantics for Ellipsis with Anaphora using Lambek Calculus with Limited Contraction

Gijs Wijnholds, Mehrnoosh Sadrzadeh

arxiv:1905.01647 v1 · 2019-05-05 · cs.CL · cs.AI · cs.LO · math.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42WZL4CL2YD23DPIHMBAEE73PC}

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	2026-05-17T23:46:57.866788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ad95f04bd607ad8de83b020213fb78a23665f7190d0fe794a69c71d644b0c3

Aliases

arxiv: 1905.01647 · arxiv_version: 1905.01647v1 · doi: 10.48550/arxiv.1905.01647 · pith_short_12: 42WZL4CL2YD2 · pith_short_16: 42WZL4CL2YD23DPI · pith_short_8: 42WZL4CL

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/42WZL4CL2YD23DPIHMBAEE73PC \
  | 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: e6ad95f04bd607ad8de83b020213fb78a23665f7190d0fe794a69c71d644b0c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc4d5a91ba4550f52b3f04a94e513562c33ac95fb68cdccc1962472f187989b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-05-05T10:30:03Z",
    "title_canon_sha256": "c912baca98ffe9e31ac4804044c3f7fba08e58b5e0d8ac67ade1921c1055bbc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01647",
    "kind": "arxiv",
    "version": 1
  }
}