Pith Number

pith:LABPN62B

pith:2019:LABPN62BHDXI2ZPDSFHU5UWK5J

not attested not anchored not stored refs pending

Know What You Don't Know: Modeling a Pragmatic Speaker that Refers to Objects of Unknown Categories

David Schlangen, Sina Zarrie{\ss}

arxiv:1906.05518 v1 · 2019-06-13 · 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{LABPN62BHDXI2ZPDSFHU5UWK5J}

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	2026-05-17T23:43:25.176578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5802f6fb4138ee8d65e3914f4ed2caea67cff3138b9d2951bd283dd157e179a0

Aliases

arxiv: 1906.05518 · arxiv_version: 1906.05518v1 · doi: 10.48550/arxiv.1906.05518 · pith_short_12: LABPN62BHDXI · pith_short_16: LABPN62BHDXI2ZPD · pith_short_8: LABPN62B

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/LABPN62BHDXI2ZPDSFHU5UWK5J \
  | 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: 5802f6fb4138ee8d65e3914f4ed2caea67cff3138b9d2951bd283dd157e179a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d71e97b0d221d276546ceb8bff93c0d05a65603940891d59884a2be8f005531",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-13T07:35:05Z",
    "title_canon_sha256": "293ad3274aa0026c2a90f8f903010e31191ac9e0aea35884cfddd3be3e639c20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05518",
    "kind": "arxiv",
    "version": 1
  }
}