Pith Number

pith:HA4LF2HQ

pith:2019:HA4LF2HQFCXZKABXODFNTRCN63

not attested not anchored not stored refs pending

XCMRC: Evaluating Cross-lingual Machine Reading Comprehension

Chenghao Zhu, Han Hu, Pengyuan Liu, Yuning Deng

arxiv:1908.05416 v1 · 2019-08-15 · 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{HA4LF2HQFCXZKABXODFNTRCN63}

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	2026-07-04T23:56:51.328901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3838b2e8f028af95003770cad9c44df6fad5155d45be718112f459e9d5e5ba42

Aliases

arxiv: 1908.05416 · arxiv_version: 1908.05416v1 · doi: 10.48550/arxiv.1908.05416 · pith_short_12: HA4LF2HQFCXZ · pith_short_16: HA4LF2HQFCXZKABX · pith_short_8: HA4LF2HQ

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/HA4LF2HQFCXZKABXODFNTRCN63 \
  | 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: 3838b2e8f028af95003770cad9c44df6fad5155d45be718112f459e9d5e5ba42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dcc4098cb8c956f6bbba659c60344f9843d4800f56f76124c5a01de8c87cef9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-15T04:40:27Z",
    "title_canon_sha256": "aedfcd2abfa37783e0fbdafa11612951200a7b6d1ce2e1cadaec10429945a900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05416",
    "kind": "arxiv",
    "version": 1
  }
}