Pith Number

pith:7APQCMFW

pith:2018:7APQCMFWLIR27W4M7KOCMTBUZF

not attested not anchored not stored refs pending

Knowledge Based Machine Reading Comprehension

Bing Qin, Daya Guo, Duyu Tang, Nan Duan, Xiaocheng Feng, Yibo Sun, Zhao Yan

arxiv:1809.04267 v1 · 2018-09-12 · 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{7APQCMFWLIR27W4M7KOCMTBUZF}

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	2026-05-18T00:05:52.927034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f81f0130b65a23afdb8cfa9c264c34c96a2e5d513fb807686c4fca24c9c582fa

Aliases

arxiv: 1809.04267 · arxiv_version: 1809.04267v1 · doi: 10.48550/arxiv.1809.04267 · pith_short_12: 7APQCMFWLIR2 · pith_short_16: 7APQCMFWLIR27W4M · pith_short_8: 7APQCMFW

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/7APQCMFWLIR27W4M7KOCMTBUZF \
  | 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: f81f0130b65a23afdb8cfa9c264c34c96a2e5d513fb807686c4fca24c9c582fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c8d95a41caea2c5a6f4138673fbfa32d77e1c8ab90d4c91c2ff8e332ae10ee3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-12T06:21:32Z",
    "title_canon_sha256": "055564e36366cd318a849b81dd63ce13fa2fe568c3b5fd592321e37a3aded14c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04267",
    "kind": "arxiv",
    "version": 1
  }
}