Pith Number

pith:WOST3TZX

pith:2017:WOST3TZX4JUENN635ZD5GLHFZU

not attested not anchored not stored refs pending

Question Answering on Knowledge Bases and Text using Universal Schema and Memory Networks

Andrew McCallum, Manzil Zaheer, Rajarshi Das, Siva Reddy

arxiv:1704.08384 v1 · 2017-04-27 · 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{WOST3TZX4JUENN635ZD5GLHFZU}

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	2026-05-18T00:45:27.814447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3a53dcf37e26846b7dbee47d32ce5cd114b923fa6f96e69539d28c21344a62e

Aliases

arxiv: 1704.08384 · arxiv_version: 1704.08384v1 · doi: 10.48550/arxiv.1704.08384 · pith_short_12: WOST3TZX4JUE · pith_short_16: WOST3TZX4JUENN63 · pith_short_8: WOST3TZX

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/WOST3TZX4JUENN635ZD5GLHFZU \
  | 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: b3a53dcf37e26846b7dbee47d32ce5cd114b923fa6f96e69539d28c21344a62e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15f2e5b74254f1c72a532643a674aa2c2133c83db609022ab9f63874ddd0514f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-04-27T00:03:02Z",
    "title_canon_sha256": "a0128ec1415e386dc014e7e458b14f312807179603b50b2a308d5128105395be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08384",
    "kind": "arxiv",
    "version": 1
  }
}