Pith Number

pith:FJ76ZGKL

pith:2020:FJ76ZGKL2WVHQCDEO2YPJE4GE2

not attested not anchored not stored refs pending

Enhancing Answer Boundary Detection for Multilingual Machine Reading Comprehension

Daxin Jiang, Fei Yuan, Linjun Shou, Ming Gong, Nan Duan, Xuanyu Bai, Yan Fu, Yaobo Liang

arxiv:2004.14069 v2 · 2020-04-29 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJ76ZGKL2WVHQCDEO2YPJE4GE2}

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	2026-07-05T01:01:24.821748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a7fec994bd5aa78086476b0f4938626b16f0616389bef4ca97912de751c8e1f

Aliases

arxiv: 2004.14069 · arxiv_version: 2004.14069v2 · doi: 10.48550/arxiv.2004.14069 · pith_short_12: FJ76ZGKL2WVH · pith_short_16: FJ76ZGKL2WVHQCDE · pith_short_8: FJ76ZGKL

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/FJ76ZGKL2WVHQCDEO2YPJE4GE2 \
  | 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: 2a7fec994bd5aa78086476b0f4938626b16f0616389bef4ca97912de751c8e1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f88cac80bd823b5a4d5d959ad0d5bc4527695a3c3d266c446a1e8bc449b1b32",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-29T10:44:00Z",
    "title_canon_sha256": "fa8c58ade19c75db029dd30d05729a65e00d5a31d4ba9a12dc8568c3039dfa39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.14069",
    "kind": "arxiv",
    "version": 2
  }
}