Pith Number

pith:OBBFPFT6

pith:2018:OBBFPFT6ENASY5RL5BLXGTEWOU

not attested not anchored not stored refs pending

ComQA: A Community-sourced Dataset for Complex Factoid Question Answering with Paraphrase Clusters

Abdalghani Abujabal, Gerhard Weikum, Mohamed Yahya, Rishiraj Saha Roy

arxiv:1809.09528 v2 · 2018-09-25 · 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{OBBFPFT6ENASY5RL5BLXGTEWOU}

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	2026-05-17T23:48:55.361567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

704257967e23412c762be857734c96752a7994ecd315439657e238900dcad5e0

Aliases

arxiv: 1809.09528 · arxiv_version: 1809.09528v2 · doi: 10.48550/arxiv.1809.09528 · pith_short_12: OBBFPFT6ENAS · pith_short_16: OBBFPFT6ENASY5RL · pith_short_8: OBBFPFT6

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/OBBFPFT6ENASY5RL5BLXGTEWOU \
  | 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: 704257967e23412c762be857734c96752a7994ecd315439657e238900dcad5e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f753ee212d159172a8eac92bb19ee8dac2d63356f92de3b4d7ad8717693c4e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-25T14:54:26Z",
    "title_canon_sha256": "37bbadc1f2720f33c65e58ab509c576cd8d798f0fea87c9f3385e0ff3795a96c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09528",
    "kind": "arxiv",
    "version": 2
  }
}