Pith Number

pith:JOXYAYH6

pith:2012:JOXYAYH6NWQI3ZIWD7Q5KWXOD3

not attested not anchored not stored refs pending

A Data Driven Approach to Query Expansion in Question Answering

Jun Wang, Leon Derczynski, Mark A. Greenwood, Robert Gaizauskas

arxiv:1203.5084 v1 · 2012-03-22 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOXYAYH6NWQI3ZIWD7Q5KWXOD3}

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	2026-05-18T03:59:27.947478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4baf8060fe6da08de5161fe1d55aee1ec6b9152df9aa99f3c42bb6c3658aedba

Aliases

arxiv: 1203.5084 · arxiv_version: 1203.5084v1 · doi: 10.48550/arxiv.1203.5084 · pith_short_12: JOXYAYH6NWQI · pith_short_16: JOXYAYH6NWQI3ZIW · pith_short_8: JOXYAYH6

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/JOXYAYH6NWQI3ZIWD7Q5KWXOD3 \
  | 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: 4baf8060fe6da08de5161fe1d55aee1ec6b9152df9aa99f3c42bb6c3658aedba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d231388dfc7e09b5978d4c49626afef7ebff331f38ea7998fbb5593283ad69f",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-03-22T19:19:02Z",
    "title_canon_sha256": "519b6ea9167bb194bc79c74dee4d2f565867176dce6ed60dad8e1fc8da694257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5084",
    "kind": "arxiv",
    "version": 1
  }
}