Pith Number

pith:VTHKI4N3

pith:2019:VTHKI4N3WNHTAB2JBDFIZKZ4XD

not attested not anchored not stored refs pending

Adversarial Domain Adaptation for Machine Reading Comprehension

Hongning Wang, Huazheng Wang, Jianfeng Gao, Jingjing Liu, XiaoDong Liu, Zhe Gan

arxiv:1908.09209 v1 · 2019-08-24 · 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{VTHKI4N3WNHTAB2JBDFIZKZ4XD}

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	2026-07-04T23:59:37.704589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

accea471bbb34f30074908ca8cab3cb8e068bf56de48893dc464659271607b78

Aliases

arxiv: 1908.09209 · arxiv_version: 1908.09209v1 · doi: 10.48550/arxiv.1908.09209 · pith_short_12: VTHKI4N3WNHT · pith_short_16: VTHKI4N3WNHTAB2J · pith_short_8: VTHKI4N3

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/VTHKI4N3WNHTAB2JBDFIZKZ4XD \
  | 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: accea471bbb34f30074908ca8cab3cb8e068bf56de48893dc464659271607b78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e0a76f8d817f75a6645cf861ea90c907750b788aa8a89f918d24074e23c8d03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-24T21:08:26Z",
    "title_canon_sha256": "3c6df891c0cb30d580fb1819bc82f147aa3c6a21bc77944ae6d72f6900276783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09209",
    "kind": "arxiv",
    "version": 1
  }
}