Pith Number

pith:LU2LHYPC

pith:2021:LU2LHYPCVSU6Z2ESHHERSUDGIH

not attested not anchored not stored refs pending

Recall and Learn: A Memory-augmented Solver for Math Word Problems

Da Cao, Jiao Xu, Jiawei Wang, Ming Yang, Shifeng Huang

arxiv:2109.13112 v1 · 2021-09-27 · 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{LU2LHYPCVSU6Z2ESHHERSUDGIH}

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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.

Cited by

1 paper in Pith

Artificial Intelligence for Mathematical Reasoning: An Integrated Survey of Language Models, Neuro-symbolic Systems, and Verified Discovery

Receipt and verification

First computed	2026-07-05T03:17:41.480936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d34b3e1e2aca9ece89239c919506641fe1ec8248f9aebda8c8c1f7fb2203717

Aliases

arxiv: 2109.13112 · arxiv_version: 2109.13112v1 · doi: 10.48550/arxiv.2109.13112 · pith_short_12: LU2LHYPCVSU6 · pith_short_16: LU2LHYPCVSU6Z2ES · pith_short_8: LU2LHYPC

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/LU2LHYPCVSU6Z2ESHHERSUDGIH \
  | 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: 5d34b3e1e2aca9ece89239c919506641fe1ec8248f9aebda8c8c1f7fb2203717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c0cddc0de0b3d6acf1553596ae902d54ddddf8be19ae4746f481343c1823d0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-27T14:59:08Z",
    "title_canon_sha256": "6e2041994aea9ffa52adcdf7c5c1944b5cc3028873a82910dacae89c92e414bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13112",
    "kind": "arxiv",
    "version": 1
  }
}