Pith Number

pith:SDVPRQMM

pith:2020:SDVPRQMMKGMG3OWTU7DCMV6SW7

not attested not anchored not stored refs pending

SMART: A Situation Model for Algebra Story Problems via Attributed Grammar

Daniel Ciao, Qing Li, Ran Gong, Siyuan Huang, Song-Chun Zhu, Yining Hong

arxiv:2012.14011 v1 · 2020-12-27 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDVPRQMMKGMG3OWTU7DCMV6SW7}

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	2026-07-05T02:02:14.875095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90eaf8c18c51986dbad3a7c62657d2b7dad67ea930b5a570c26141dc37910477

Aliases

arxiv: 2012.14011 · arxiv_version: 2012.14011v1 · doi: 10.48550/arxiv.2012.14011 · pith_short_12: SDVPRQMMKGMG · pith_short_16: SDVPRQMMKGMG3OWT · pith_short_8: SDVPRQMM

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/SDVPRQMMKGMG3OWTU7DCMV6SW7 \
  | 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: 90eaf8c18c51986dbad3a7c62657d2b7dad67ea930b5a570c26141dc37910477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc3e8062e494770d262c52de3559a6b5779df8c44c60f165c379835bb4c870d6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-12-27T21:03:40Z",
    "title_canon_sha256": "be1a9a5b51116c27ac25f20c2d07eedc669593e63188dc744a708875ddc98cee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14011",
    "kind": "arxiv",
    "version": 1
  }
}