Pith Number

pith:HE43TIZ7

pith:2019:HE43TIZ7MYBEL3IJ5LTMTEMT6Q

not attested not anchored not stored refs pending

A Sketch-Based System for Semantic Parsing

Dongyan Zhao, Yansong Feng, Yuxi Xie, Yuxuan Lai, Zechang Li

arxiv:1909.00574 v2 · 2019-09-02 · 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{HE43TIZ7MYBEL3IJ5LTMTEMT6Q}

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	2026-07-05T00:04:10.519643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3939b9a33f660245ed09eae6c99193f4015ca238faf62149713035baf5066aa3

Aliases

arxiv: 1909.00574 · arxiv_version: 1909.00574v2 · doi: 10.48550/arxiv.1909.00574 · pith_short_12: HE43TIZ7MYBE · pith_short_16: HE43TIZ7MYBEL3IJ · pith_short_8: HE43TIZ7

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/HE43TIZ7MYBEL3IJ5LTMTEMT6Q \
  | 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: 3939b9a33f660245ed09eae6c99193f4015ca238faf62149713035baf5066aa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98c66cfebdeae795847df099cbf1ff932f9b68452512cc5a5812c43c3f78dde9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-02T07:16:57Z",
    "title_canon_sha256": "85f11fcdd944994331a9b3df7a1c1266610ad3fc4432d8395db20d4a0477c761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00574",
    "kind": "arxiv",
    "version": 2
  }
}