Pith Number

pith:6NWVTPFG

pith:2019:6NWVTPFG3AMDVI4BHYUUALUMZM

not attested not anchored not stored refs pending

Neural Machine Reading Comprehension: Methods and Trends

Hui Wang, Shanshan Liu, Sheng Zhang, Weiming Zhang, Xin Zhang

arxiv:1907.01118 v5 · 2019-07-02 · 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{6NWVTPFG3AMDVI4BHYUUALUMZM}

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	2026-07-05T00:17:07.637709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f36d59bca6d8183aa3813e29402e8ccb300a99543cb328b02d85acb48367f4fd

Aliases

arxiv: 1907.01118 · arxiv_version: 1907.01118v5 · doi: 10.48550/arxiv.1907.01118 · pith_short_12: 6NWVTPFG3AMD · pith_short_16: 6NWVTPFG3AMDVI4B · pith_short_8: 6NWVTPFG

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/6NWVTPFG3AMDVI4BHYUUALUMZM \
  | 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: f36d59bca6d8183aa3813e29402e8ccb300a99543cb328b02d85acb48367f4fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8c87bfcb069db9ca3c18712cacd274179978ed15e1789a1c3355f6f23ad397b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-02T01:14:13Z",
    "title_canon_sha256": "e096b22e8801f64a481136e2f7c158ca9e29384a1454d0c5e5618b19698475c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01118",
    "kind": "arxiv",
    "version": 5
  }
}