Pith Number

pith:JM2ZCWBJ

pith:2016:JM2ZCWBJL2UWQV7YX3EL4MCRBG

not attested not anchored not stored refs pending

End-to-End Answer Chunk Extraction and Ranking for Reading Comprehension

Bing Xiang, Bowen Zhou, Kazi Hasan, Mo Yu, Wei Zhang, Yang Yu

arxiv:1610.09996 v2 · 2016-10-31 · 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{JM2ZCWBJL2UWQV7YX3EL4MCRBG}

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	2026-05-18T01:00:33.068931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b359158295ea96857f8bec8be3051098720bc5485b1c0f8f1fb39a74d705084

Aliases

arxiv: 1610.09996 · arxiv_version: 1610.09996v2 · doi: 10.48550/arxiv.1610.09996 · pith_short_12: JM2ZCWBJL2UW · pith_short_16: JM2ZCWBJL2UWQV7Y · pith_short_8: JM2ZCWBJ

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/JM2ZCWBJL2UWQV7YX3EL4MCRBG \
  | 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: 4b359158295ea96857f8bec8be3051098720bc5485b1c0f8f1fb39a74d705084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a99b4086aff3b9f8f12b458507af64a027dc85961f7c22c573b3fa3100545424",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-10-31T16:14:08Z",
    "title_canon_sha256": "05ebcdfbed2d6fdf31339a3b27f43927bb5ce28cfd29b61dbb53623efed39af5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09996",
    "kind": "arxiv",
    "version": 2
  }
}