Pith Number

pith:2IM7LYNV

pith:2019:2IM7LYNVDRDMFC77QVBIJCUQZV

not attested not anchored not stored refs pending

SpatialNLI: A Spatial Domain Natural Language Interface to Databases Using Spatial Comprehension

Haixun Wang, Jingjing Li, Wei-shinn Ku, Wenlu Wang, Yingtao Tian

arxiv:1908.10917 v1 · 2019-08-28 · 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{2IM7LYNVDRDMFC77QVBIJCUQZV}

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	2026-07-05T00:03:58.469387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d219f5e1b51c46c28bff8542848a90cd4af1d871acfa0afc3b80ec641bbbe742

Aliases

arxiv: 1908.10917 · arxiv_version: 1908.10917v1 · doi: 10.48550/arxiv.1908.10917 · pith_short_12: 2IM7LYNVDRDM · pith_short_16: 2IM7LYNVDRDMFC77 · pith_short_8: 2IM7LYNV

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/2IM7LYNVDRDMFC77QVBIJCUQZV \
  | 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: d219f5e1b51c46c28bff8542848a90cd4af1d871acfa0afc3b80ec641bbbe742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed25bd4b9fe6b6b077cf4577ecab88c66111122e08a226c2a9ec96c21a8177bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-28T19:32:00Z",
    "title_canon_sha256": "7902ef1a0b466181971351711de0ea4306d662e8e80c89cb9973f49c576a38b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10917",
    "kind": "arxiv",
    "version": 1
  }
}