Pith Number

pith:U2UISYRQ

pith:2018:U2UISYRQDLYI4XISBQDCGZPSVH

not attested not anchored not stored refs pending

The Gap of Semantic Parsing: A Survey on Automatic Math Word Problem Solvers

Bing Tian Dai, Dongxiang Zhang, Heng Tao Shen, Lei Wang, Luming Zhang

arxiv:1808.07290 v2 · 2018-08-22 · 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{U2UISYRQDLYI4XISBQDCGZPSVH}

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	2026-05-17T23:47:36.139601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6a88962301af08e5d120c062365f2a9df63252e6255b599e327f4bafce1f41a

Aliases

arxiv: 1808.07290 · arxiv_version: 1808.07290v2 · doi: 10.48550/arxiv.1808.07290 · pith_short_12: U2UISYRQDLYI · pith_short_16: U2UISYRQDLYI4XIS · pith_short_8: U2UISYRQ

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/U2UISYRQDLYI4XISBQDCGZPSVH \
  | 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: a6a88962301af08e5d120c062365f2a9df63252e6255b599e327f4bafce1f41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a08d2e08e37957c2fdab44e9ffd190b78c0aa78ec9db4cdfd830a3bdd24d62a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-22T09:18:38Z",
    "title_canon_sha256": "ad9f7e2dc319f8a5b9f0b83c7d905d5b7388ff26bfc6d25672430cf10c9dbf40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07290",
    "kind": "arxiv",
    "version": 2
  }
}