Pith. sign in
Pith Number

pith:PPS36O35

pith:2020:PPS36O35HPD255TY2ARTIKUVZV
not attested not anchored not stored refs pending

Heterogeneous Graph Neural Networks for Extractive Document Summarization

Danqing Wang, Pengfei Liu, Xipeng Qiu, Xuanjing Huang, Yining Zheng

arxiv:2004.12393 v1 · 2020-04-26 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PPS36O35HPD255TY2ARTIKUVZV}

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 2026-07-05T00:58:15.092968Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7be5bf3b7d3bc7aef678d023342a95cd51732fd0d5df1480832a3e20be179c93

Aliases

arxiv: 2004.12393 · arxiv_version: 2004.12393v1 · doi: 10.48550/arxiv.2004.12393 · pith_short_12: PPS36O35HPD2 · pith_short_16: PPS36O35HPD255TY · pith_short_8: PPS36O35
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PPS36O35HPD255TY2ARTIKUVZV \
  | 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: 7be5bf3b7d3bc7aef678d023342a95cd51732fd0d5df1480832a3e20be179c93
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "abebf2a97e5b994dd2416156ef8a0c705d12a82becb37ee0be1c92b79b7a4627",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-26T14:38:11Z",
    "title_canon_sha256": "a1032a235fcaf51191916449be1af947532b3b9758c0ecd8032884d4ab041c9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.12393",
    "kind": "arxiv",
    "version": 1
  }
}