Pith Number

pith:SHE3LJZ5

pith:2018:SHE3LJZ54TOQBLDVBWJNE3HY2T

not attested not anchored not stored refs pending

KG^2: Learning to Reason Science Exam Questions with Contextual Knowledge Graph Embeddings

Hanjun Dai, Kamil Toraman, Le Song, Yuyu Zhang

arxiv:1805.12393 v1 · 2018-05-31 · cs.LG · cs.AI · cs.CL · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHE3LJZ54TOQBLDVBWJNE3HY2T}

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	2026-05-18T00:14:30.347753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91c9b5a73de4dd00ac750d92d26cf8d4dd638f0bd2d94840eec10858952ccb03

Aliases

arxiv: 1805.12393 · arxiv_version: 1805.12393v1 · doi: 10.48550/arxiv.1805.12393 · pith_short_12: SHE3LJZ54TOQ · pith_short_16: SHE3LJZ54TOQBLDV · pith_short_8: SHE3LJZ5

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/SHE3LJZ54TOQBLDVBWJNE3HY2T \
  | 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: 91c9b5a73de4dd00ac750d92d26cf8d4dd638f0bd2d94840eec10858952ccb03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef98638be4c286b0e01d0596fee4d2b3e8c8c0b808dd2bcf817ecc069752fab4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-31T09:39:14Z",
    "title_canon_sha256": "fbf53747789403e93ccb7f91fd8c979c07b09f8db91348ff131f6572fa21ce12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12393",
    "kind": "arxiv",
    "version": 1
  }
}